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update of IDS checking method

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This commit is contained in:
Miroslav Stampar
2010-01-25 10:06:52 +00:00
parent 952c280083
commit 3197fada59
2 changed files with 747 additions and 10 deletions
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26
lib/utils/detection.py
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@@ -21,14 +21,23 @@ 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
import urllib2
import re, sre_constants
from xml.dom import minidom
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
@@ -36,19 +45,16 @@ def checkPayload(string):
global rules
if not rules:
url = 'https://svn.phpids.org/svn/trunk/lib/IDS/default_filter.xml'
request = urllib2.Request(url)
response = urllib2.urlopen(request)
xmlrules = minidom.parse(response).documentElement
response.close()
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 = xmlrule.getElementsByTagName('description')[0].childNodes[0].nodeValue
desc = desc.replace('Detects', 'Detected').replace('finds', 'Found').replace('attempts', 'attempt').replace('injections', 'injection').replace('attacks', 'attack')
desc = __adjustGrammar(xmlrule.getElementsByTagName('description')[0].childNodes[0].nodeValue)
rules.append((rule, desc))
except:
except sre_constants.error: #some issues with some regex expressions in Python 2.5
pass
for rule, desc in rules: