eric-forte-elastic
54 lines
1.5 KiB
Python
54 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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metadata = RtaMetadata(
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uuid="d3c0c965-3167-4fe3-8aee-a9f101766b5a",
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platforms=["windows"],
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endpoint=[
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{"rule_name": "Unusual Remote Desktop Client Process", "rule_id": "d448566e-486f-4b61-a76f-945662313d49"}
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],
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siem=[],
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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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powershell = "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe"
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posh = "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\posh.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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common.copy_file(user32, dll)
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common.copy_file(powershell, posh)
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common.copy_file(PS1_FILE, ps1)
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common.log("Loading mstscax.dll into posh")
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common.execute(
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[
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posh,
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"-c",
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f"Import-Module {ps1}; Invoke-ImageLoad {dll};",
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"Test-NetConnection",
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"-ComputerName",
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"portquiz.net",
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"-Port",
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"3389",
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],
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timeout=10,
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)
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common.remove_files(dll, ps1, posh)
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if __name__ == "__main__":
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exit(main())
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