diff --git a/rta/linux_execution_interactive_shell_spawn_from_hidden_process.py b/rta/linux_execution_interactive_shell_spawn_from_hidden_process.py new file mode 100644 index 000000000..702bae91b --- /dev/null +++ b/rta/linux_execution_interactive_shell_spawn_from_hidden_process.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. + +from . import common +from . import RtaMetadata + +metadata = RtaMetadata( + uuid="fd5fb7a8-398a-4322-ae28-8f88cce6aa88", + platforms=["linux"], + endpoint=[ + { + "rule_name": "Interactive Shell Spawned via Hidden Process", + "rule_id": "52deef30-e633-49e1-9dd2-da1ad6cb5e43" + } + ], + techniques=["T1059", "T1564"], +) + + +@common.requires_os(*metadata.platforms) +def main(): + + common.log("Creating a fake hidden executable..") + masquerade = "/tmp/.evil" + source = common.get_path("bin", "netcon_exec_chain.elf") + common.copy_file(source, masquerade) + common.log("Granting execute permissions...") + common.execute(['chmod', '+x', masquerade]) + + commands = [masquerade, 'exec', '-c', '-i'] + common.execute([*commands], timeout=5, kill=True) + common.log("Cleaning...") + common.remove_file(masquerade) + common.log("Simulation successfull!") + + +if __name__ == "__main__": + exit(main())