Mika Ayenson
53 lines
1.7 KiB
Python
53 lines
1.7 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="6ffcba60-acde-46e2-994a-a79ec8e07ef3",
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platforms=["windows"],
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endpoint=[
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{"rule_name": "Execution from Unusual Directory", "rule_id": "16c84e67-e5e7-44ff-aefa-4d771bcafc0c"},
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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": "Execution of a File Written by Windows Script Host",
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"rule_id": "49e47c2a-307f-4591-939a-dfdae6e5156c",
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},
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{
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"rule_name": "Suspicious Windows Script Interpreter Child Process",
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"rule_id": "83da4fac-563a-4af8-8f32-5a3797a9068e",
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},
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],
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siem=[],
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techniques=["T1055", "T1218", "T1036", "T1059"],
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)
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EXE_FILE = common.get_path("bin", "renamed_posh.exe")
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@common.requires_os(metadata.platforms)
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def main():
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server, ip, port = common.serve_web()
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url = f"http://{ip}:{port}/bin/renamed_posh.exe"
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cscript = "C:\\Users\\Public\\cscript.exe"
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dropped = "C:\\Users\\Public\\posh.exe"
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common.copy_file(EXE_FILE, cscript)
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cmd = f"Invoke-WebRequest -Uri {url} -OutFile {dropped}"
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# Execute command
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common.log("Using a fake cscript to drop and execute an .exe")
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common.execute([cscript, "/c", cmd], timeout=10)
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common.execute([cscript, "/c", dropped], timeout=10, kill=True)
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common.remove_file(cscript)
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common.remove_file(dropped)
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if __name__ == "__main__":
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exit(main())
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