40 lines
1.3 KiB
Python
40 lines
1.3 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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metadata = RtaMetadata(
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uuid="eb06a33e-bc80-412b-8ae8-f45af6682293",
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platforms=["windows"],
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endpoint=[],
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siem=[{'rule_id': '71c5cb27-eca5-4151-bb47-64bc3f883270', 'rule_name': 'Suspicious RDP ActiveX Client Loaded'}],
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techniques=['T1021'],
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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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proc = "C:\\Users\\Public\\proc.exe"
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user32 = "C:\\Windows\\System32\\user32.dll"
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dll = "C:\\Users\\Public\\mstscax.dll"
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ps1 = "C:\\Users\\Public\\Invoke-ImageLoad.ps1"
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wmiprvse = "C:\\Users\\Public\\WmiPrvSE.exe"
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common.copy_file(EXE_FILE, proc)
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common.copy_file(user32, dll)
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common.copy_file(PS1_FILE, ps1)
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common.copy_file(EXE_FILE, wmiprvse)
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common.log("Loading mstscax.dll into proc")
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common.execute([proc, "-c", f"Import-Module {ps1}; Invoke-ImageLoad {dll}"], timeout=10)
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common.remove_files(proc, dll, ps1)
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if __name__ == "__main__":
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exit(main())
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