#!/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. Copyright (c) 2006 Daniele Bellucci 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 codecs import re import sre_constants from xml.dom import minidom from lib.core.common import getCompiledRegex 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(string): """ This method checks if the generated payload is detectable by the PHPIDS filter rules """ global rules if not rules: xfile = codecs.open(paths.DETECTION_RULES_XML, 'r', conf.dataEncoding) xmlrules = minidom.parse(xfile).documentElement xfile.close() rules = [] for xmlrule in xmlrules.getElementsByTagName("filter"): try: rule = "(?i)%s" % 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: regObj = getCompiledRegex(rule) if regObj.search(string): logger.warn("highly probable IDS/IPS detection: '%s'" % desc)