sqlmap/lib/utils/checkpayload.py
2011-04-08 14:34:00 +00:00

60 lines
1.6 KiB
Python

#!/usr/bin/env python
"""
$Id$
Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
See the file 'doc/COPYING' for copying permission
"""
import re
from lib.core.common import getCompiledRegex
from lib.core.common import readXmlFile
from lib.core.convert import urldecode
from lib.core.data import conf
from lib.core.data import paths
from lib.core.data import logger
rules = None
def __adjustGrammar(string):
string = re.sub('\ADetects', 'Detected', string)
string = re.sub('\Afinds', 'Found', string)
string = re.sub('attempts\Z', 'attempt', string)
string = re.sub('injections\Z', 'injection', string)
string = re.sub('attacks\Z', 'attack', string)
return string
def checkPayload(payload):
"""
This method checks if the generated payload is detectable by the
PHPIDS filter rules
"""
global rules
detected = False
payload = urldecode(payload)
if not rules:
xmlrules = readXmlFile(paths.PHPIDS_RULES_XML)
rules = []
for xmlrule in xmlrules.getElementsByTagName("filter"):
rule = "(?i)%s" % xmlrule.getElementsByTagName('rule')[0].childNodes[0].nodeValue
desc = __adjustGrammar(xmlrule.getElementsByTagName('description')[0].childNodes[0].nodeValue)
rules.append((rule, desc))
if payload:
for rule, desc in rules:
regObj = getCompiledRegex(rule)
if regObj.search(payload):
detected = True
logger.warn("highly probable IDS/IPS detection: '%s: %s'" % (desc, payload))
if not detected:
logger.warn("payload '%s' possibly gone undetected" % payload)