49 lines
1.3 KiB
Python
49 lines
1.3 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="ce87d15a-9b72-42c4-8721-ae4bcff86a05",
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platforms=["macos"],
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endpoint=[
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{
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"rule_name": "Screensaver Plist File Modified by Unexpected Process",
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"rule_id": "ebae5222-71ba-4b73-afe9-8e034f8b4a04",
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}
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],
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siem=[
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{
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"rule_name": "Screensaver Plist File Modified by Unexpected Process",
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"rule_id": "e6e8912f-283f-4d0d-8442-e0dcaf49944b",
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}
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],
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techniques=["T1546"],
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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/killall"
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common.create_macos_masquerade(masquerade)
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# Execute command
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common.log("Launching fake file screensaver plist modification commands")
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common.temporary_file_helper(
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"testing",
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file_name="/Library/Managed Preferences/com.apple.screensaver.test.plist",
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)
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common.execute([masquerade, "cfprefsd"], timeout=10, kill=True)
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# cleanup
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common.remove_file(masquerade)
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if __name__ == "__main__":
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exit(main())
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