protections machine
45 lines
1.3 KiB
Python
45 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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import sys
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from . import RtaMetadata, common
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metadata = RtaMetadata(
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uuid="ac1f9204-f612-4d50-9de0-6dabcd589816",
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platforms=["linux"],
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endpoint=[
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{
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"rule_name": "System V Init (init.d) Egress Network Connection",
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"rule_id": "b38eb534-230c-45f4-93ba-fc516ac51630",
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},
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],
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techniques=["T1037", "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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# Path for the fake initd executable
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masquerade = "/etc/init.d/rta"
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source = common.get_path("bin", "netcon_exec_chain.elf")
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common.log("Creating a fake initd executable..")
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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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# Execute the fake initd executable
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common.log("Executing the fake initd executable..")
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commands = [masquerade, "chain", "-h", "8.8.8.8", "-p", "53", "-c", "/etc/init.d/rta netcon -h 8.8.8.8 -p 53"]
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common.execute([*commands], timeout=5, 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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sys.exit(main())
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