45 lines
1.2 KiB
Python
45 lines
1.2 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="d7a67c3c-eadb-4bfb-beb1-61ddd86b4b83",
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platforms=["macos"],
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endpoint=[
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{
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"rule_id": "6e47b750-72c4-4af9-ad7b-0fc846df64d3",
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"rule_name": "Quarantine Attribute Deleted via Untrusted Binary",
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}
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],
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siem=[],
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techniques=["T1553", "T1553.001"],
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)
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@common.requires_os(*metadata.platforms)
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def main():
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# create masquerades
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masquerade = "/tmp/bash"
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masquerade2 = "/tmp/testbypass"
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common.create_macos_masquerade(masquerade)
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common.create_macos_masquerade(masquerade2)
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# Execute commands
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common.log("Launching fake delete commands to delete quarantine attribute.")
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command = f"{masquerade} xattr -d com.apple.quarantine"
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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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if __name__ == "__main__":
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exit(main())
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