protections machine
41 lines
1.2 KiB
Python
41 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="66ff975c-fa48-47c4-965a-8f363425369e",
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platforms=["linux"],
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endpoint=[
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{
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"rule_name": "Suspicious Execution via setsid and nohup",
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"rule_id": "18d82674-08d0-408e-801b-468e1b06298f",
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},
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],
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techniques=["T1059", "T1071"],
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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 nohup executable..")
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masquerade = "/tmp/nohup"
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source = common.get_path("bin", "netcon_exec_chain.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, "exec", "-c", "/dev/tcp"]
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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.log("Simulation successfull!")
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if __name__ == "__main__":
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sys.exit(main())
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