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46 lines
1.2 KiB
Python
46 lines
1.2 KiB
Python
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#!/usr/bin/env python
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"""
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Copyright (c) 2006-2014 sqlmap developers (http://sqlmap.org/)
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See the file 'doc/COPYING' for copying permission
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"""
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import string
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from lib.core.enums import PRIORITY
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__priority__ = PRIORITY.LOWEST
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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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Converts all characters in a given payload (not processing already
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encoded)
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Reference: https://www.acunetix.com/vulnerabilities/unicode-transformation-issues/
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>>> tamper('SELECT FIELD FROM TABLE WHERE 2>1')
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'SELECT%C0%AAFIELD%C0%AAFROM%C0%AATABLE%C0%AAWHERE%C0%AA2%C0%BE1'
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"""
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retVal = payload
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if payload:
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retVal = ""
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i = 0
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while i < len(payload):
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if payload[i] == '%' and (i < len(payload) - 2) and payload[i + 1:i + 2] in string.hexdigits and payload[i + 2:i + 3] in string.hexdigits:
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retVal += payload[i:i + 3]
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i += 3
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else:
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if payload[i] not in (string.ascii_letters + string.digits):
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retVal += "%%C0%%%.2X" % (0x8A | ord(payload[i]))
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else:
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retVal += payload[i]
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i += 1
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return retVal
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