Eric Forte
40 lines
1.2 KiB
Python
40 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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import sys
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from . import RtaMetadata, common
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metadata = RtaMetadata(
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uuid="5282c9a4-4ce9-48b8-863a-ff453143635a",
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platforms=["linux"],
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endpoint=[],
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siem=[{"rule_name": "Suspicious File Creation via kworker", "rule_id": "ae343298-97bc-47bc-9ea2-5f2ad831c16e"}],
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techniques=["T1547", "T1014"],
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)
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@common.requires_os(metadata.platforms)
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def main() -> None:
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masquerade = "/tmp/kworker"
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source = common.get_path("bin", "create_file.elf")
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common.copy_file(source, masquerade)
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common.log("Granting execute permissions...")
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common.execute(["chmod", "+x", masquerade])
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commands = [masquerade, "/tmp/evil"]
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common.log("Simulating file creation activity..")
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common.execute([*commands], timeout=5)
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common.log("File creation simulation successful!")
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common.log("Cleaning...")
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common.remove_file(masquerade)
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common.log("RTA completed!")
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if __name__ == "__main__":
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sys.exit(main())
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