diff --git a/rta/linux_execution_reverse_or_bind_shell_via_utility.py b/rta/linux_execution_reverse_or_bind_shell_via_utility.py new file mode 100644 index 00000000000..faaca08ec12 --- /dev/null +++ b/rta/linux_execution_reverse_or_bind_shell_via_utility.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="8f5607f7-4c55-4458-b908-b2cb22c54cf4", + platforms=["linux"], + endpoint=[ + { + "rule_name": "Reverse or Bind Shell via Suspicious Utility", + "rule_id": "bb330560-0042-48a5-8232-7f2012d6e440", + }, + ], + techniques=["T1059", "T1071"], +) + + +@common.requires_os(*metadata.platforms) +def main() -> None: + common.log("Creating a fake executable..") + masquerade = "/tmp/vim" + + 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, '-c', "socket"] + common.execute([*commands], timeout=5, kill=True) + common.log("Cleaning...") + common.remove_file(masquerade) + common.log("Simulation successfull!") + + +if __name__ == "__main__": + sys.exit(main())