protections machine
49 lines
1.5 KiB
Python
49 lines
1.5 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="aed2d3be-94d1-4e19-80dd-6412b336e827",
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platforms=["linux"],
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endpoint=[
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{
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"rule_name": "Potential Proxy Execution via Sysctl",
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"rule_id": "268ffea4-fc13-4ab5-a473-07d10255ea8d",
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},
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],
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techniques=["T1218", "T1059"],
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)
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@common.requires_os(*metadata.platforms)
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def main() -> None:
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common.log("Creating a fake executable..")
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masquerade = "/tmp/sysctl"
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masquerade2 = "/tmp/sh"
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source = common.get_path("bin", "linux.ditto_and_spawn")
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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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source = common.get_path("bin", "linux.ditto_and_spawn")
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common.copy_file(source, masquerade2)
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common.log("Granting execute permissions...")
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common.execute(["chmod", "+x", masquerade2])
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commands = [masquerade, masquerade, "kernel.core_pattern=/bin/sh -c"]
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common.execute([*commands], timeout=5, kill=True)
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common.log("Cleaning...")
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common.remove_file(masquerade)
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common.remove_file(masquerade2)
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common.log("Simulation successfull!")
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if __name__ == "__main__":
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sys.exit(main())
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