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40 lines
988 B
Python
40 lines
988 B
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2026 sqlmap developers (https://sqlmap.org)
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See the file 'LICENSE' for copying permission
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"""
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import re
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from lib.core.enums import PRIORITY
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__priority__ = PRIORITY.HIGHEST
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def dependencies():
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pass
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def tamper(payload, **kwargs):
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"""
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Replaces all occurrences of operator equal ('=') with 'LIKE' counterpart
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Tested against:
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* Microsoft SQL Server 2005
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* MySQL 4, 5.0 and 5.5
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Notes:
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* Useful to bypass weak and bespoke web application firewalls that
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filter the equal character ('=')
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* The LIKE operator is SQL standard. Hence, this tamper script
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should work against all (?) databases
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>>> tamper('SELECT * FROM users WHERE id=1')
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'SELECT * FROM users WHERE id LIKE 1'
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"""
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retVal = payload
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if payload:
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retVal = re.sub(r"\s*(?<![<>!=])=(?!=)\s*", " LIKE ", retVal) # Note: skipping compound operators (e.g. >=, <=, !=)
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return retVal
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