Mika Ayenson
48 lines
1.5 KiB
Python
48 lines
1.5 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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from . import common
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from . import RtaMetadata
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import os
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metadata = RtaMetadata(
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uuid="7e9a94f4-46aa-45eb-b95b-53da7c01a033",
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platforms=["windows"],
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endpoint=[
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{"rule_name": "Binary Masquerading via Untrusted Path", "rule_id": "35dedf0c-8db6-4d70-b2dc-a133b808211f"},
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{
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"rule_name": "UAC Bypass Attempt via CDSSync Scheduled Task Hijack",
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"rule_id": "d8b7a157-c98f-42bd-8aac-7d1e4fcd53f4",
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},
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],
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siem=[],
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techniques=["T1574", "T1548", "T1036"],
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)
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EXE_FILE = common.get_path("bin", "renamed_posh.exe")
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PS1_FILE = common.get_path("bin", "Invoke-ImageLoad.ps1")
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@common.requires_os(metadata.platforms)
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def main():
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powershell = "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe"
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taskhostw = "C:\\Users\\Public\\taskhostw.exe"
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path = "C:\\Users\\Public\\System32"
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user32 = "C:\\Windows\\System32\\user32.dll"
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dll = path + "\\npmproxy.dll"
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os.makedirs(path, exist_ok=True)
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common.copy_file(user32, dll)
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common.copy_file(EXE_FILE, taskhostw)
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common.log("Spawning PowerShell from fake taskhostw")
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common.execute([taskhostw, "/c", powershell], timeout=10, kill=True)
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common.remove_files(dll, taskhostw)
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os.removedirs(path)
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if __name__ == "__main__":
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exit(main())
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