eric-forte-elastic
57 lines
1.9 KiB
Python
57 lines
1.9 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="cbed76ce-a373-4bc5-b1b3-f5330de18cc7",
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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 a Signed Binary Proxy",
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"rule_id": "ccbc4a79-3bae-4623-aaef-e28a96bf538b",
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},
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{
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"rule_name": "Script Execution via Microsoft HTML Application",
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"rule_id": "f0630213-c4c4-4898-9514-746395eb9962",
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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=["T1218", "T1036", "T1055", "T1105", "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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mshta = "C:\\Users\\Public\\mshta.exe"
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dropped = "C:\\Users\\Public\\posh.exe"
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common.copy_file(EXE_FILE, mshta)
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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 mshta to drop and execute an .exe")
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common.execute([mshta, "/c", cmd], timeout=10)
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common.execute([mshta, "/c", dropped], timeout=10, kill=True)
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common.remove_file(mshta)
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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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