sqlmap/lib/utils/detection.py
2010-03-03 15:26:27 +00:00

62 lines
2.2 KiB
Python

#!/usr/bin/env python
"""
$Id$
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2007-2010 Bernardo Damele A. G. <bernardo.damele@gmail.com>
Copyright (c) 2006 Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
import re, sre_constants
from xml.dom import minidom
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(string):
"""
This method checks if the generated payload is detectable by the PHPIDS filter rules
"""
global rules
if not rules:
file = open(paths.DETECTION_RULES_XML, 'r')
xmlrules = minidom.parse(file).documentElement
file.close()
rules = []
for xmlrule in xmlrules.getElementsByTagName("filter"):
try:
rule = re.compile(xmlrule.getElementsByTagName('rule')[0].childNodes[0].nodeValue)
desc = __adjustGrammar(xmlrule.getElementsByTagName('description')[0].childNodes[0].nodeValue)
rules.append((rule, desc))
except sre_constants.error: #some issues with some regex expressions in Python 2.5
pass
for rule, desc in rules:
if rule.search(string, re.IGNORECASE):
logger.warn("highly probable IDS/IPS detection: '%s'" % desc)