# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one # or more contributor license agreements. Licensed under the Elastic License # 2.0; you may not use this file except in compliance with the Elastic License # 2.0. from . import common from . import RtaMetadata metadata = RtaMetadata( uuid="b2faa842-ffc9-41c6-baed-8008c9749a52", platforms=["macos"], endpoint=[], siem=[ { "rule_name": "Suspicious Nohup Execution", "rule_id": "3f18726c-4897-41dc-8426-15da95b8482f", } ], techniques=["T1059", "T1059.004", "T1564", "T1564.003"], ) @common.requires_os(*metadata.platforms) def main(): test_file = "/tmp/test.txt" masquerade = "/tmp/bash" common.create_macos_masquerade(masquerade) # Execute command command = f"nohup {test_file}" common.log("Launching bash commands to mimic suspicious nohup execution") with common.temporary_file("testing", test_file): common.execute([masquerade, "childprocess", command, "&"], timeout=10, kill=True) # cleanup common.remove_file(masquerade) if __name__ == "__main__": exit(main())