Exfiltration Over Alternative Protocol - Linux

rules/linux/process_creation/proc_creation_lnx_scp_command.yml

@@ -0,0 +1,30 @@
+title: Exfiltration Over Alternative Protocol - Linux
+id: 2696bc0f-aa16-4523-93c2-e1784cbbe934
+status: test
+description: Detects exfiltrating data over a symmetrically encrypted network protocol. This information can help adversaries to exfiltration data by scp.
+references:
+    - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1048/T1048.md
+author: 'Milad Cheraghi'
+date: 2024-06-10
+tags:
+    - attack.exfiltration
+    - attack.t1048.001
+logsource:
+    category: process_creation
+    product: linux
+detection:
+    selection:
+        Image|endswith:
+            - '/ssh'
+        CommandLine|contains:
+            - 'tar'
+            - 'gzip'
+            - 'bzip'
+            - 'bzip2'
+            - 'gunzip'
+            - 'bunzip2'
+            - 'unzip'
+    condition: selection
+falsepositives:
+    - Unknown
+level: medium