eric-forte-elastic
46 lines
1.5 KiB
Python
46 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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# Name: Suspicious BitsAdmin Download File
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# RTA: bitsadmin_download.py
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# ATT&CK: T1197
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# Description: Runs BitsAdmin to download file via command line.
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import subprocess
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from pathlib import Path
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from . import RtaMetadata, common
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metadata = RtaMetadata(
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uuid="aee48793-01ec-428f-9890-c5db9df07830",
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platforms=["windows"],
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endpoint=[],
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siem=[{"rule_id": "a624863f-a70d-417f-a7d2-7a404638d47f", "rule_name": "Suspicious MS Office Child Process"}],
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techniques=["T1566"],
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)
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@common.requires_os(*metadata.platforms)
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def main():
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common.log("Running Windows BitsAdmin to Download")
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server, ip, port = common.serve_web()
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url = "http://" + ip + ":" + str(port) + "/bin/myapp.exe"
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dest_path = Path("myapp-test.exe").resolve()
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fake_word = Path("winword.exe").resolve()
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common.log("Emulating parent process: {parent}".format(parent=fake_word))
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common.copy_file("C:\\Windows\\System32\\cmd.exe", fake_word)
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command = subprocess.list2cmdline(["bitsadmin.exe", "/Transfer", "/Download", url, dest_path])
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common.execute([fake_word, "/c", command], timeout=15, kill=True)
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common.execute(["taskkill", "/f", "/im", "bitsadmin.exe"])
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common.remove_files(dest_path, fake_word)
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if __name__ == "__main__":
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exit(main())
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