43 lines
1.1 KiB
Python
43 lines
1.1 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="2182f7e5-fc4b-4476-86c3-e7128dfcaa7a",
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platforms=["macos"],
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endpoint=[
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{
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"rule_name": "Suspicious File Overwrite and Modification via Echo",
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"rule_id": "cd3a06dc-58c3-4d57-a03a-0d8991f237e7",
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}
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],
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siem=[],
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techniques=["T1027", "T1059", "T1059.004"],
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)
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@common.requires_os(*metadata.platforms)
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def main():
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file_path = "/tmp/test"
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masquerade = "/tmp/testbin"
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common.create_macos_masquerade(masquerade)
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# Execute command
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common.log("Launching fake bash commands to abnormal echo shell commands")
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command = f"bash -c 'echo* > {file_path}'"
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common.execute([masquerade, "childprocess", command], timeout=10, kill=True, shell=True)
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# cleanup
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common.remove_file(masquerade)
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common.remove_file(file_path)
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if __name__ == "__main__":
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exit(main())
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