From 264938236c2cfd1c72bf533f1aca79fccab3af22 Mon Sep 17 00:00:00 2001
From: protections machine
 <72879786+protectionsmachine@users.noreply.github.com>
Date: Wed, 2 Oct 2024 03:17:04 +1000
Subject: [PATCH] Sync RTA Hexadecimal Payload Execution (#4109)

Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>
---
 ...x_defense_evasion_hex_payload_execution.py | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 rta/linux_defense_evasion_hex_payload_execution.py

diff --git a/rta/linux_defense_evasion_hex_payload_execution.py b/rta/linux_defense_evasion_hex_payload_execution.py
new file mode 100644
index 00000000000..03162623c6d
--- /dev/null
+++ b/rta/linux_defense_evasion_hex_payload_execution.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="88b8c5e8-43d4-4063-9d0f-e1fc3063447b",
+    platforms=["linux"],
+    endpoint=[
+        {
+            "rule_name": "Hexadecimal Payload Execution",
+            "rule_id": "f2d206e0-97c9-484b-8b6a-5eecd82fbfdc",
+        },
+    ],
+    techniques=["T1027", "T1140", "T1059", "T1204"],
+)
+
+
+@common.requires_os(*metadata.platforms)
+def main() -> None:
+    common.log("Creating a fake 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", "\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00"]
+    common.execute([*commands], timeout=5, kill=True)
+    common.log("Cleaning...")
+    common.remove_file(masquerade)
+    common.log("Simulation successfull!")
+
+
+if __name__ == "__main__":
+    sys.exit(main())