sqlmap/tamper/concat2concatws.py
2018-01-02 00:48:10 +01:00

37 lines
762 B
Python

#!/usr/bin/env python
"""
Copyright (c) 2006-2018 sqlmap developers (http://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""
from lib.core.enums import PRIORITY
__priority__ = PRIORITY.HIGHEST
def dependencies():
pass
def tamper(payload, **kwargs):
"""
Replaces instances like 'CONCAT(A, B)' with 'CONCAT_WS(MID(CHAR(0), 0, 0), A, B)'
Requirement:
* MySQL
Tested against:
* MySQL 5.0
Notes:
* Useful to bypass very weak and bespoke web application firewalls
that filter the CONCAT() function
>>> tamper('CONCAT(1,2)')
'CONCAT_WS(MID(CHAR(0),0,0),1,2)'
"""
if payload:
payload = payload.replace("CONCAT(", "CONCAT_WS(MID(CHAR(0),0,0),")
return payload