eric-forte-elastic
54 lines
1.6 KiB
Python
54 lines
1.6 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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from pathlib import Path
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metadata = RtaMetadata(
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uuid="8bd875f2-eafb-4151-bfb7-4bd97192400d",
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platforms=["macos"],
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endpoint=[
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{"rule_id": "3da48cdd-262a-42a9-af2f-c82ef639b9e3", "rule_name": "Persistence via a Masqueraded Plist Filename"}
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],
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siem=[],
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techniques=["T1547", "T1547.011", "T1543", "T1543.001", "T1036", "T1036.005"],
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)
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@common.requires_os(*metadata.platforms)
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def main():
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masquerade = "/tmp/bash"
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masquerade2 = "/tmp/testmodify"
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tmp_file = f"{Path.home()}/Library/LaunchAgents/com.apple.test.plist"
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# create tmp file
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if not Path(tmp_file).exists():
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Path(tmp_file).write_text("test")
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# create masquerades
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common.copy_file("/bin/bash", masquerade)
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common.create_macos_masquerade(masquerade2)
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# remove signature
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common.execute(["codesign", "--remove-signature", masquerade], timeout=5, kill=True)
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# Execute commands
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common.log("Launching fake commands to modify com.apple.test.plist")
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command = f"{masquerade} -c echo '1' >> {tmp_file}"
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common.execute([masquerade2, "childprocess", command], shell=True, timeout=5, kill=True)
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# cleanup
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common.remove_file(masquerade)
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common.remove_file(masquerade2)
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common.remove_file(tmp_file)
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if __name__ == "__main__":
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exit(main())
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