sqlmap/tamper/space2dash.py
2012-06-27 20:56:43 +02:00

50 lines
1.2 KiB
Python

#!/usr/bin/env python
"""
Copyright (c) 2006-2012 sqlmap developers (http://www.sqlmap.org/)
See the file 'doc/COPYING' for copying permission
"""
import random
import string
from lib.core.enums import PRIORITY
__priority__ = PRIORITY.LOW
def tamper(payload):
"""
Replaces space character (' ') with a dash comment ('--') followed by
a random string and a new line ('\n')
Example:
* Input: 1 AND 9227=9227
* Output: 1--PTTmJopxdWJ%0AAND--cWfcVRPV%0A9227=9227
Requirement:
* MSSQL
* SQLite
Tested against:
Notes:
* Useful to bypass several web application firewalls
* Used during the ZeroNights SQL injection challenge,
https://proton.onsec.ru/contest/
"""
retVal = ""
if payload:
for i in xrange(len(payload)):
if payload[i].isspace():
randomStr = ''.join(random.choice(string.ascii_uppercase + string.lowercase) for _ in xrange(random.randint(6, 12)))
retVal += "--%s%%0A" % randomStr
elif payload[i] == '#' or payload[i:i+3] == '-- ':
retVal += payload[i:]
break
else:
retVal += payload[i]
return retVal