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scythe.py
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#! /usr/bin/env python
# -*- coding: utf-8 -*-
#
"""
scythe: account enumerator
Account Enumerator is designed to make it simple to perform account
enumeration as part of security testing. The framework offers the ability
to easily create new modules (XML files) and speed up the process of testing.
This tool was created with 2 main use cases in mind:
- The ability to test a range of email addresses across a range of sites (e.g.
social media, blogging platforms, etc...) to find where those targets have
active accounts. This can be useful in a social engineering test where you
have email accounts for a company and want to list where these users have
used their work email for 3rd party web based services.
- The ability to quickly create a custom testcase module and use it to enumerate
for a list of active accounts. Using either a list of know usernames, email
addresses, or a dictionary of common account names.
This program is released as is and is not designed to be used to test again sites
where you do not have permission. Any modules provided are for demonstration purposes
and may breach end user license agreements if used against a site. Your mileage may
vary... be responsible!
External module depenancies:
colorama (Windows only, optional)
"""
import os
import re
import signal
import urllib
import urllib2
import string
import textwrap
import sys
import traceback
import time
import Queue
import random
from Cookie import BaseCookie
from threading import Thread, activeCount, Lock, current_thread
from random import Random
from optparse import OptionParser, OptionGroup, SUPPRESS_HELP
from array import *
from xml.dom.minidom import parse
__author__ = 'Chris John Riley'
__license__ = 'BSD (3-Clause)'
__version__ = '0.2.81'
__codename__ = 'Lazy Lizard'
__date__ = '24 May 2013'
__maintainer__ = 'ChrisJohnRiley'
__email__ = 'contact@c22.cc'
__status__ = 'Beta'
modules = []
accounts = []
success = []
color = {}
queue = Queue.Queue()
startTime = time.clock()
sigint = False
def logo():
# because ASCII-art is the future!
logo = '''
,,
mm `7MM
MM MM
,pP"Ybd ,p6"bo `7M' `MF'mmMMmm MMpMMMb. .gP"Ya
8I `" 6M' OO VA ,V MM MM MM ,M' Yb
`YMMMa. 8M VA ,V MM MM MM 8M""""""
L. I8 YM. , VVV MM MM MM YM. ,
M9mmmP' YMbmd' ,V `Mbmo.JMML JMML.`Mbmmd'
,V
OOb" ::: account harvester :::'''
# add version, codename and maintainer to logo
print logo
print string.rjust('ver ' + __version__ + ' (' + __codename__ + ')', 74)
print string.rjust(__maintainer__, 73)
def extract_module_data(file, module_dom):
# extract module information from the provided dom
for each in module_dom:
try:
xmlData = {}
# try/except blocks to handle badly formed XML modules
try:
xmlData['name'] = each.getElementsByTagName('name')[0].firstChild.nodeValue
except (IndexError, AttributeError):
xmlData['name'] = 'unspecified'
# set URL - prepend http:// if not present in string
if not each.getElementsByTagName('url')[0].firstChild.nodeValue.startswith('http'):
xmlData['url'] = 'http://' + each.getElementsByTagName('url')[0].firstChild.nodeValue
else:
xmlData['url'] = each.getElementsByTagName('url')[0].firstChild.nodeValue
# set Method
try:
xmlData['method'] = each.getElementsByTagName('method')[0].firstChild.nodeValue
except (IndexError, AttributeError):
# default to GET if not specified
xmlData['method'] = 'GET'
# set POST Parameters if set in the module XML
try:
if each.getElementsByTagName('postParameters')[0].firstChild.nodeValue.lower() == 'false':
# handle instances where people enter False insterad of leaving this field blank
xmlData['postParameters'] = ''
else:
xmlData['postParameters'] = \
each.getElementsByTagName('postParameters')[0].firstChild.nodeValue
except (IndexError, AttributeError):
xmlData['postParameters'] = ''
# set headers if set in the module XML
try:
if each.getElementsByTagName('headers')[0].firstChild.nodeValue.lower() == 'false':
# handle instances where people enter False insterad of leaving this field blank
xmlData['headers'] = ''
else:
xmlData['headers'] = \
each.getElementsByTagName('headers')[0].firstChild.nodeValue.split(",")
except (IndexError, AttributeError):
xmlData['headers'] = ''
# set request cookie if set in the module XML
try:
if each.getElementsByTagName('requestCookie')[0].firstChild.nodeValue.lower() == 'true':
xmlData['requestCookie'] = True
else:
xmlData['requestCookie'] = False
except (IndexError, AttributeError):
xmlData['requestCookie'] = False
# set csrf mode if set in the module XML
# Extract csrf_url and csrf_regex if present
# if not default to False
try:
if each.getElementsByTagName('requestCSRF')[0].firstChild.nodeValue.lower() == 'false':
xmlData['requestCSRF'] = False
# set csrf_url and csrf_regex to False by default
xmlData['csrf_url'] = False
xmlData['csrf_regex'] = False
else:
xmlData['requestCSRF'] = True
if each.getElementsByTagName('csrf_url')[0].firstChild:
xmlData['csrf_url'] = \
each.getElementsByTagName('csrf_url')[0].firstChild.nodeValue
else:
# if no specific csrf_url is set, default to xmlData['url']'
xmlData['csrf_url'] = xmlData['url']
if each.getElementsByTagName('csrf_regex')[0].firstChild:
xmlData['csrf_regex'] = \
each.getElementsByTagName('csrf_regex')[0].firstChild.nodeValue
else:
xmlData['csrf_regex'] = 'unspecified'
except (IndexError, AttributeError):
# if requestCSRF not present or noneType
xmlData['requestCSRF'] = False
xmlData['csrf_url'] = False
xmlData['csrf_regex'] = False
# set success match if specified in the module XML
try:
xmlData['successmatch'] = \
each.getElementsByTagName('successmatch')[0].firstChild.nodeValue
except (IndexError, AttributeError):
xmlData['successmatch'] = ''
# set negative match if specified in the module XML
try:
# handle instances where people enter False insterad of leaving this field blank
if each.getElementsByTagName('negativematch')[0].firstChild.nodeValue.lower() == 'false':
xmlData['negativematch'] = ''
else:
xmlData['negativematch'] = \
each.getElementsByTagName('negativematch')[0].firstChild.nodeValue
except (IndexError, AttributeError):
xmlData['negativematch'] = ''
# set error match if specified in the module XML
try:
# handle instances where people enter False insterad of leaving this field blank
if each.getElementsByTagName('errormatch')[0].firstChild.nodeValue.lower() == 'false':
xmlData['errormatch'] = ''
else:
xmlData['errormatch'] = \
each.getElementsByTagName('errormatch')[0].firstChild.nodeValue
except (IndexError, AttributeError):
xmlData['errormatch'] = ''
# set message if specified in the module XML
try:
# handle instances where people enter False insterad of leaving this field blank
if each.getElementsByTagName('message')[0].firstChild.nodeValue.lower() == 'false':
xmlData['message'] = ''
else:
xmlData['message'] = \
each.getElementsByTagName('message')[0].firstChild.nodeValue
except (IndexError, AttributeError):
xmlData['message'] = ''
# set module date
try:
xmlData['date'] = each.getElementsByTagName('date')[0].firstChild.nodeValue
except (IndexError, AttributeError):
xmlData['date'] = 'unspecified'
# set module version if specified in the module XML
try:
xmlData['version'] = each.getElementsByTagName('version')[0].firstChild.nodeValue
except (IndexError, AttributeError):
xmlData['version'] = 'unspecified'
# set module author
try:
xmlData['author'] = each.getElementsByTagName('author')[0].firstChild.nodeValue
except (IndexError, AttributeError):
xmlData['author'] = 'unlisted'
# set category
try:
xmlData['category'] = each.getElementsByTagName('category')[0].firstChild.nodeValue
except (IndexError, AttributeError):
xmlData['category'] = 'unspecified'
# filter modules based on selected categories
if xmlData['category'].lower() in (cat.lower() for cat in opts.category) or \
"all" in (cat.lower() for cat in opts.category) or \
(opts.single.lower() and opts.single.lower() in xmlData['name'].lower()) or \
(file.lower() in opts.single.lower()):
if xmlData['category'].lower() == "example" and \
("example" not in (cat.lower() for cat in opts.category) \
and not opts.single):
# skip example module when running with all or default settings
if opts.verbose:
print "\t[" + color['red'] + "!" + color['end'] \
+ "] Skipping example module : %s" % xmlData['name']
else:
print "\t[" + color['yellow'] + "+" + color['end'] \
+"] Extracted module information from %s" \
% xmlData['name']
modules.append(xmlData)
# print module message if present
if xmlData['message']:
print textwrap.fill(("\t[" + color['yellow'] + "!" + color['end'] \
+"] "+ color['red'] + "Note" + color['end'] +" [%s]:" \
% xmlData['name']),
initial_indent='', subsequent_indent='\t -> ', width=100)
print textwrap.fill(("\t -> %s" % xmlData['message']),
initial_indent='', subsequent_indent='\t -> ', width=80)
else:
if opts.debug and not opts.category == "single":
print "\t[" + color['red'] + "!" + color['end'] \
+ "] Skipping module %s. Not in category (%s)" \
% (xmlData['name'], opts.category)
except Exception, ex:
print "\t[" + color['red'] + "!" + color['end'] \
+ "] Failed to extracted module information\n\t\tError: %s" % ex
if opts.debug:
print "\n\t[" + color['red'] + "!" + color['end'] + "] ",
traceback.print_exc()
continue
def output_modules():
# print information about the loaded module(s)
print "\n ------------------------------------------------------------------------------"
print string.center(color['yellow'] + ">>>>>" + color['end'] + " Module Information " + \
color['yellow'] + "<<<<<" + color['end'], 100)
print " ------------------------------------------------------------------------------"
if opts.verbose and not opts.listmodules:
for mod in modules:
print textwrap.fill((" NAME: %s" % mod['name']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" URL: %s" % mod['url']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" METHOD: %s" % mod['method']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" HEADERS: %s" % mod['headers']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" POST PARAMETERS: %s" % mod['postParameters']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" REQUEST COOKIE: %s" % mod['requestCookie']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" REQUEST CSRF TOKEN: %s" % mod['requestCSRF']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" SUCCESS MATCH: %s" % mod['successmatch']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" NEGATIVE MATCH: %s" % mod['negativematch']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" ERROR MATCH: %s" % mod['errormatch']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" MODULE NOTE: %s" % mod['message']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" DATE: %s" % mod['date']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" VERSION: %s" % mod['version']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" AUTHOR: %s" % mod['author']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" CATEGORY: %s" % mod['category']),
initial_indent='', subsequent_indent=' -> ', width=80)
print " ------------------------------------------------------------------------------"
else:
print " ", "| Name |".ljust(35), "| Category |".ljust(26), "| Version |".ljust(8)
print " ------------------------------------------------------------------------------"
for mod in modules:
print " " + mod['name'].ljust(37) + mod['category'].ljust(30) + mod['version'].ljust(10)
print " ------------------------------------------------------------------------------\n"
# exit after providing module list
sys.exit(0)
def output_accounts():
# print information about the accounts loaded from accountfile
print "\n ------------------------------------------------------------------------------"
print string.center(color['yellow'] + ">>>>>" + color['end'] + " Accounts Loaded " + \
color['yellow'] + "<<<<<" + color['end'], 100)
print " ------------------------------------------------------------------------------"
for a in accounts:
print textwrap.fill((" Account name: %s" % a),
initial_indent='', subsequent_indent=' -> ', width=80)
print " ------------------------------------------------------------------------------\n"
def output_success():
# print information about success matches
if opts.summary or (opts.verbose and opts.summary):
print "\n ------------------------------------------------------------------------------"
print string.center(color['yellow'] + ">>>>>" + color['end'] + " Successful Matches " + \
color['yellow'] + "<<<<<" + color['end'], 100)
print " ------------------------------------------------------------------------------"
s_success = sorted(success, key=lambda k: k['name']) # group by site name
# print normal summary table on request (--summary)
if not opts.verbose and opts.summary:
print "\n ------------------------------------------------------------------------------"
print " ", "| Module |".ljust(35), " | Account |".ljust(28)
print " ------------------------------------------------------------------------------"
for s in s_success:
print " " + s['name'].ljust(37) + s['account'].ljust(30)
print " ------------------------------------------------------------------------------\n"
# print verbose summary on request (-v --summary)
elif opts.verbose and opts.summary:
for s in s_success:
print textwrap.fill((" NAME: \t\t\t%s" % s['name']),
initial_indent='', subsequent_indent='\t -> ', width=80)
print textwrap.fill((" ACCOUNT: \t\t%s" % s['account']),
initial_indent='', subsequent_indent='\t -> ', width=80)
print textwrap.fill((" URL: \t\t\t%s" % s['url']),
initial_indent='', subsequent_indent='\t -> ', width=80)
print textwrap.fill((" METHOD: \t\t%s" % s['method']),
initial_indent='', subsequent_indent='\t -> ', width=80)
print textwrap.fill((" POST PARAMETERS: \t%s" % s['postParameters']),
initial_indent='', subsequent_indent='\t -> ', width=80)
print " ------------------------------------------------------------------------------"
else:
print " ------------------------------------------------------------------------------\n"
def load_modules():
# load the modules from moduledir
# only XML files are permitted
if not "all" in (cat.lower() for cat in opts.category):
# using options from command line
if opts.verbose:
print " [" + color['yellow'] + "-" + color['end'] \
+ "] using command line supplied category : %s" \
% ", ".join(opts.category)
for (path, dirs, files) in os.walk(opts.moduledir):
for d in dirs:
if d.startswith("."): # ignore hidden . dirctories
dirs.remove(d)
print " [" + color['yellow'] + "-" + color['end'] \
+"] Starting to load modules from %s" % path
for file in files:
if not path.endswith('/'):
path = path + '/'
# read in modules
if file.endswith('.xml') and not file.startswith('.'):
if opts.verbose:
print "\t[ ] Checking module : %s" % file
try:
module_dom = parse(path + file)
module_dom = module_dom.getElementsByTagName('site')
extract_module_data(file, module_dom)
except:
print "\t[" + color['red'] + "!" + color['end'] \
+"] Error parsing %s module, check XML" % file
elif opts.debug:
print "\t[" + color['red'] + "!" + color['end'] \
+ "] Skipping non-XML file : %s" % file
if opts.verbose or opts.listmodules:
output_modules() #debug and module output
def load_accounts():
# if account is passed in we use that, otherwise
# load accounts from accountfile
# one account per line
if opts.account:
# load account from command line
if opts.verbose:
print " [" + color['yellow'] + "-" + color['end'] \
+ "] using command line supplied user(s) : %s" \
% ", ".join(opts.account)
for a in opts.account:
# add all command line accounts to array for testcases
if a: # ignore empty fields
accounts.append(a)
else:
# load accounts from file if it exists
if not os.path.exists(opts.accountfile):
print "\n [" + color['red'] + "!" + color['end'] \
+ "] The supplied file (%s) does not exist!" \
% opts.accountfile
sys.exit(0)
account_file = open(opts.accountfile, 'r')
account_read = account_file.readlines()
account_read = [item.rstrip() for item in account_read]
for a in account_read:
if not a.startswith("#"): # ignore comment lines in accountfile
accounts.append(a)
if opts.verbose:
output_accounts() # debug output
def create_testcases():
# create a list of testcases from accounts and modules
#
# replace functions are in place to replace <ACCOUNT>
# with the account names presented
# the script will also replace any instances of <RANDOM>
# with a random string (8) to avoid detection
testcases = []
tempcase = {}
for a in accounts:
for m in modules:
rand = ''.join( Random().sample(string.letters+string.digits, 8) ) # 8 random chars
tempcase['url'] = m['url'].replace("<ACCOUNT>", a).replace("<RANDOM>", rand)
tempcase['account'] = a
tempcase['name'] = m['name']
tempcase['method'] = m['method']
tempcase['postParameters'] = m['postParameters'].replace("<ACCOUNT>", a).replace("<RANDOM>", rand)
tempcase['headers'] = m['headers']
tempcase['requestCookie'] = m['requestCookie']
tempcase['requestCSRF'] = m['requestCSRF']
tempcase['csrf_url'] = m['csrf_url']
tempcase['csrf_regex'] = m['csrf_regex']
tempcase['successmatch'] = m['successmatch']
tempcase['negativematch'] = m['negativematch']
tempcase['errormatch'] = m['errormatch']
testcases.append(tempcase)
tempcase = {}
if testcases:
return testcases
else:
print " [" + color['red'] + "!" + color['end'] + \
"] No testcases created, check your accounts and module settings"
print
sys.exit(0)
def request_handler(testcases):
# handle requests present in testcases
print "\n ------------------------------------------------------------------------------"
print string.center(color['yellow'] + ">>>>>" + color['end'] + " Testcases " + \
color['yellow'] + "<<<<<" + color['end'], 100)
print " ------------------------------------------------------------------------------"
print " [" + color['yellow'] + "-" + color['end'] \
+"] Starting testcases (%d in total)" % len(testcases)
if opts.wait:
print " [" + color['yellow'] + "-" + color['end'] \
+"] Throttling in place (%.2f seconds)\n" % opts.wait
elif opts.threads:
print " [" + color['yellow'] + "-" + color['end'] \
+"] Threading in use (%d threads max)\n" % opts.threads
else:
print
progress = 0 # initiate progress count
if opts.threads > 1:
threads = []
for test in testcases:
# add testcases to queue
queue.put(test)
# create progress update lock
progress_lock = Lock()
while not queue.empty() and not sigint:
# only allow a limited number of threads
if opts.threads >= activeCount() and not sigint:
# get next test from queue
test = queue.get()
try:
# setup thread to perform test
t = Thread(target=make_request, args=(test,))
t.daemon=True
threads.append(t)
t.start()
finally:
# iterate progress value for the progress bar
progress = len(testcases) - queue.qsize()
# call progressbar
progress_lock.acquire()
try:
progressbar(progress, len(testcases))
finally:
progress_lock.release()
# mark task as done
queue.task_done()
# wait for queue and threads to end before continuing
while activeCount() > 1:
# keep main program active to catch keyboard interrupts
time.sleep(0.1)
for thread in threads:
thread.join()
# no more active threads. resolve queue
queue.join()
else:
for test in testcases:
# make request without using threading
make_request(test)
# iterate progress value for the progress bar
progress = progress +1
# call progressbar
progressbar(progress, len(testcases))
if opts.wait: # wait X seconds as per wait setting
time.sleep(opts.wait)
return
def progressbar(progress, total):
# progressbar
if total > 50: # only show progress on tests of > 50
if not progress == 0:
# set percentage
progress_percentage = int(100 / (float(total) / float(progress)))
# display progress at set points
total = float(total)
# calculate progress for 25, 50, 75, and 99%
vals = [int(total/100*25), int(total/100*50), int(total/100*75), int(total-1)]
if progress in vals:
print " [" + color['yellow'] + "-" + color['end'] +"] [%s] %s%% complete\n" \
% ((color['yellow'] + ("#"*(progress_percentage / 10)) + \
color['end']).ljust(10, "."),progress_percentage),
def make_request(test, retry=0, wait_time=False):
# make request and add output to array
# set threadname
if not current_thread().name == 'MainThread':
threadname = "[" + current_thread().name +"] >"
else:
# return blank string when not using threading
threadname = '>'
# GET method worker
if test['method'] == 'GET':
test, resp, r_info, req = get_request(test)
# success match
if resp and test['successmatch']:
matched = success_check(resp, test['successmatch'])
if matched:
print " [" + color['green'] + "X" + color['end'] + "] Account %s exists on %s" \
% (test['account'], test['name'])
success.append(test)
if opts.debug:
print # spacing forverbose output
if opts.outputfile:
# log to outputfile
opts.outputfile.write("Account " + test['account'] + " exists on " \
+ test['name'] +"\n")
# error match
if resp and test['errormatch']:
error = error_check(resp, test['errormatch'])
if error and retry >= opts.retries:
print " [" + color['red'] + "!" + color['end'] + \
"] %s Retries exceeded when testing account %s on %s" \
% (threadname, test['account'], test['name'])
elif error:
print " [" + color['yellow'] + "!" + color['end'] + \
"] %s Error detected when testing account %s on %s" \
% (threadname, test['account'], test['name'])
# wait X seconds and retry
if wait_time:
# double existing wait_time
wait_time = wait_time * 2
else:
# set starting point for wait_time
wait_time = opts.retrytime
if opts.verbose:
print " [ ] %s Waiting %d seconds before retry" \
% (threadname, wait_time)
time.sleep(wait_time)
# increment retry counter
retry = retry + 1
if opts.verbose:
print " [ ] %s Attempting retry (%d of %d)" \
% (threadname, retry, opts.retries)
make_request(test, retry, wait_time)
return
# negative match
if resp and test['negativematch']:
matched = negative_check(resp, test['negativematch'])
if matched and opts.verbose:
print " [" + color['red'] + "X" + color['end'] + "] Negative matched %s on %s" \
% (test['account'], test['name'])
# advance debug output
if resp and opts.debugoutput:
debug_save_response(test, resp, r_info, req)
return
# POST method worker
elif test['method'] == 'POST':
test, resp, r_info, req = post_request(test)
# success match
if resp and test['successmatch']:
matched = success_check(resp, test['successmatch'])
if matched:
print " [" + color['green'] + "X" + color['end'] + "] Account %s exists on %s" \
% (test['account'], test['name'])
success.append(test)
if opts.debug:
print # spacing forverbose output
if opts.outputfile:
# log to outputfile
opts.outputfile.write("Account " + test['account'] + " exists on " \
+ test['name'] +"\n")
# error match
if resp and test['errormatch']:
error = error_check(resp, test['errormatch'])
if error and retry >= opts.retries:
print " [" + color['red'] + "!" + color['end'] + \
"] %s Retries exceeded when testing account %s on %s" \
% (threadname, test['account'], test['name'])
elif error:
print " [" + color['yellow'] + "!" + color['end'] + \
"] %s Error detected when testing account %s on %s" \
% (threadname, test['account'], test['name'])
# wait X seconds and retry
if wait_time:
# double existing wait_time
wait_time = wait_time * 2
else:
# set starting point for wait_time
wait_time = opts.retrytime
if opts.verbose:
print " [ ] %s Waiting %d seconds before retry" \
% (threadname, wait_time)
time.sleep(wait_time)
# increment retry counter
retry = retry + 1
if opts.verbose:
print " [ ] %s Attempting retry (%d of %d)" \
% (threadname, retry, opts.retries)
make_request(test, retry, wait_time)
# negative match
if resp and test['negativematch']:
matched = negative_check(resp, test['negativematch'])
if matched and opts.verbose:
print " [" + color['red'] + "X" + color['end'] + "] Negative matched %s on %s" \
% (test['account'], test['name'])
if resp and opts.debugoutput:
debug_save_response(test, resp, r_info, req)
return
else:
print " [" + color['red'] + "!" + color['end'] + "] Unknown Method %s : %s" \
% test['method'], test['url']
return
def get_request(test):
# perform GET request
urllib.urlcleanup() # clear cache
try:
user_agent = 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
req_headers = { 'User-Agent' : user_agent }
for each in test['headers']:
key, val = each.split(":", 1)
key = key.lstrip()
val = val.lstrip()
req_headers[key] = val
if test['requestCookie'] or test['requestCSRF']:
# request cookie and csrf token if set in module XML
cookie_val, csrf_val = request_value(test)
if cookie_val:
req_headers['cookie'] = cookie_val
if csrf_val:
# replace <CSRFTOKEN> with the collected token
test['url'] = test['url'].replace("<CSRFTOKEN>", csrf_val)
test['postParameters'] = test['postParameters'].replace("<CSRFTOKEN>", csrf_val)
test['headers'] = [h.replace('<CSRFTOKEN>', csrf_val) for h in test['headers']]
if opts.debug:
# print debug output
print textwrap.fill((" [ ] URL (GET): %s" % test['url']),
initial_indent='', subsequent_indent=' -> ', width=80)
print
# assign NullHTTPErrorProcessor as default opener
opener = urllib2.build_opener(NullHTTPErrorProcessor())
urllib2.install_opener(opener)
req = urllib2.Request(test['url'], headers=req_headers)
f = urllib2.urlopen(req)
r_body = f.read()
r_info = f.info()
f.close()
# handle instances where the response body is 0 bytes in length
if not r_body:
print " [" + color['red'] + "!" + color['end'] + "] Zero byte response received from %s" \
% test['name']
r_body = "<Scythe Message: Empty response from server>"
# returned updated test and response data
return test, r_body, r_info, req
except Exception:
print textwrap.fill((" [" + color['red'] + "!" + color['end'] + "] Error contacting %s" \
% test['url']), initial_indent='', subsequent_indent='\t', width=80)
if opts.debug:
for ex in traceback.format_exc().splitlines():
print textwrap.fill((" %s" \
% str(ex)), initial_indent='', subsequent_indent='\t', width=80)
print
return test, False, False, req
def post_request(test):
# perform POST request
urllib.urlcleanup() # clear cache
try:
user_agent = 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
req_headers = { 'User-Agent' : user_agent }
if test['requestCookie'] or test['requestCSRF']:
# request cookie and csrf token if set in module XML
cookie_val, csrf_val = request_value(test)
if cookie_val:
req_headers['cookie'] = cookie_val
if csrf_val:
# replace <CSRFTOKEN> with the collected token
test['url'] = test['url'].replace("<CSRFTOKEN>", csrf_val)
test['postParameters'] = test['postParameters'].replace("<CSRFTOKEN>", csrf_val)
test['headers'] = [h.replace('<CSRFTOKEN>', csrf_val) for h in test['headers']]
if test['headers']:
for each in test['headers']:
key, val = each.split(":", 1)
key = key.lstrip()
val = val.lstrip()
req_headers[key] = val
if opts.debug:
# print debug output
print textwrap.fill((" [ ] URL (POST): %s" % test['url']),
initial_indent='', subsequent_indent=' -> ', width=80)
print textwrap.fill((" [ ] POST PARAMETERS: %s" % test['postParameters']),
initial_indent='', subsequent_indent=' -> ', width=80)
print
# assign NullHTTPErrorProcessor as default opener
opener = urllib2.build_opener(NullHTTPErrorProcessor())
urllib2.install_opener(opener)
req = urllib2.Request(test['url'], test['postParameters'], req_headers)
f = urllib2.urlopen(req)
r_body = f.read()
r_info = f.info()
f.close()
# handle instances where the response body is 0 bytes in length
if not r_body:
print " [" + color['red'] + "!" + color['end'] + "] Zero byte response received from %s" \
% test['name']
r_body = "<Scythe Message: Empty response from server>"
# returned updated test and response data
return test, r_body, r_info, req
except Exception:
print textwrap.fill((" [" + color['red'] + "!" + color['end'] + "] Error contacting %s" \
% test['url']), initial_indent='', subsequent_indent='\t', width=80)
if opts.debug:
for ex in traceback.format_exc().splitlines():
print textwrap.fill((" %s" \
% str(ex)), initial_indent='', subsequent_indent='\t', width=80)
print
return test, False, False, req
def request_value(test):
# request a cookie or CSRF token from the target site for use during the logon attempt
urllib.urlcleanup() # clear cache
# assign NullHTTPErrorProcessor as default opener
opener = urllib2.build_opener(NullHTTPErrorProcessor())
urllib2.install_opener(opener)
# capture cookie first for use with the CSRF token request
# capture Set-Cookie
if test['requestCookie']:
user_agent = 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
req_headers = { 'User-Agent' : user_agent }
if test['csrf_url']:
# if csrf_url is set, use the same page to collect cookies
url = test['csrf_url']
else:
url = test['url'].split("?", 1)[0] # strip parameters from url where present
req_val = urllib2.Request(url, headers=req_headers)
response = urllib2.urlopen(req_val)
resp_body = response.read()
if response.info().getheader('Set-Cookie'):
set_cookie = response.info().getheader('Set-Cookie') # grab Set-cookie
# work Set-cookie into valid cookies to set
bcookie = BaseCookie(set_cookie)
# strip off unneeded attributes (e.g. expires, path, HTTPOnly etc...
cookie_val = bcookie.output(attrs=[], header="").lstrip()
else:
cookie_val = False
print " [" + color['red'] + "!" + color['end'] \
+ "] Set-Cookie Error: No valid Set-Cookie response received"
else:
cookie_val = False
# capture CSRF token (using regex from module XML)
if test['requestCSRF']:
user_agent = 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
req_headers = { 'User-Agent' : user_agent }
if cookie_val:
# if a cookie value exists, use the existing response
if opts.debug:
print " [" + color['yellow'] + "-" + color['end'] \
+ "] Using existing response to gather CSRF token"
else:
# get new response to work with
url = test['csrf_url']
req_val = urllib2.Request(url, headers=req_headers)
response = urllib2.urlopen(req_val)
try:
csrf_regex = re.compile(test['csrf_regex'])
match = re.search(csrf_regex, resp_body)
if match:
csrf_val = match.group(1)
else:
csrf_val = False
print " [" + color['red'] + "!" + color['end'] \
+ "] Invalid CSRF regex. Please check parameters"
except:
print " [" + color['red'] + "!" + color['end'] \
+ "] Invalid CSRF regex. Please check parameters"
if opts.debug:
print "\n\t[" + color['red'] + "!" + color['end'] + "] ",
traceback.print_exc()
else:
csrf_val = False
return cookie_val, csrf_val
def error_check(data, errormatch):
# checks response data against errormatch regex
try:
regex = re.compile(errormatch)
if regex.search(data):
return True
else:
return False
except:
print " [" + color['red'] + "!" + color['end'] \
+ "] Invalid in error check. Please check parameter"
if opts.debug:
print "\n\t[" + color['red'] + "!" + color['end'] + "] ",
traceback.print_exc()
def success_check(data, successmatch):
# checks response data against successmatch regex
try:
regex = re.compile(successmatch)
if regex.search(data):
return True
else:
return False
except:
print " [" + color['red'] + "!" + color['end'] \
+ "] Invalid in success check. Please check parameter"
if opts.debug:
print "\n\t[" + color['red'] + "!" + color['end'] + "] ",
traceback.print_exc()
def negative_check(data, negativematch):
# checks response data against negativematch regex
try:
regex = re.compile(negativematch)
if regex.search(data):
return True
else:
return False
except:
print " [" + color['red'] + "!" + color['end'] \
+ "] Invalid in negative check. Please check parameter"
if opts.debug:
print "\n\t[" + color['red'] + "!" + color['end'] + "] ",
traceback.print_exc()
def debug_save_response(test, resp, r_info, req):
# save advanced deug responses to ./debug/
# get time to attach to filename
timenow = int(time.time())
# set testname, remove spaces
testname = re.sub(r'[^\w]', '_', test['name']) + "_"
# check debug directory exists, if not create it
if not os.path.exists('./debug/'):
os.makedirs('./debug/')
# filename for html and headers, strip unusable chars from filenames
htmlfile = testname + str(timenow)
htmlfile = './debug/' + re.sub(r'[^\w]', '_', htmlfile) + '.html' # strip unsuitable chars
hdrfile = testname + str(timenow)
hdrfile = './debug/' + re.sub(r'[^\w]', '_', hdrfile) + '.headers' # strip unsuitable chars
# format headers
header_output = []
header_output.append('---------------------\nrequest headers\n---------------------\n')
for key in req.headers:
header_output.append(key + ': ' + req.headers[key])
header_output.append('\n---------------------\nresponse headers\n---------------------\n')
for each in r_info.headers:
header_output.append(each.rstrip())
header_output.append('\n')
# check if file exists, if so add random number to filename
if os.path.isfile(htmlfile):
rand_addition = str(random.randint(0000, 9999)).zfill(4)
htmlfile = htmlfile[:-5] + '_' + rand_addition + '.html'
hdrfile = hdrfile[:-8] + '_' + rand_addition + '.headers'
# open file for writing
f_html = open(htmlfile, 'w')
f_headers = open(hdrfile, 'w')
# write response and close
f_html.write(resp)
f_html.close()
# write headers and close
f_headers.write("\n".join(header_output))