diff --git a/rta/linux_execution_bind_shell_via_socket.py b/rta/linux_execution_bind_shell_via_socket.py new file mode 100644 index 000000000..b1efd687d --- /dev/null +++ b/rta/linux_execution_bind_shell_via_socket.py @@ -0,0 +1,40 @@ +# 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. + +import sys +from . import RtaMetadata, common + +metadata = RtaMetadata( + uuid="793ae10f-c8a8-4385-8a95-1752f2281611", + platforms=["linux"], + endpoint=[ + { + "rule_name": "Bind Shell via Socket", + "rule_id": "37f6659f-dff4-42bc-91ae-7ed7a9264529", + }, + ], + techniques=["T1059", "T1071"], +) + + +@common.requires_os(*metadata.platforms) +def main() -> None: + common.log("Creating a fake executable..") + masquerade = "/tmp/socket" + + source = common.get_path("bin", "linux.ditto_and_spawn") + common.copy_file(source, masquerade) + common.log("Granting execute permissions...") + common.execute(["chmod", "+x", masquerade]) + + commands = [masquerade, '-s', '-p', 'sh'] + common.execute([*commands], timeout=5, kill=True) + common.log("Cleaning...") + common.remove_file(masquerade) + common.log("Simulation successfull!") + + +if __name__ == "__main__": + sys.exit(main())