rule: reg add run key

rules/windows/process_creation/win_reg_add_run_key.yml

@@ -0,0 +1,22 @@
+title: Reg Add RUN Key
+id: de587dce-915e-4218-aac4-835ca6af6f70
+description: Detects suspicious command line reg.exe tool adding key to RUN key in Registry
+status: experimental
+date: 2021/06/28
+author: Florian Roth
+references:
+    - https://app.any.run/tasks/9c0f37bc-867a-4314-b685-e101566766d7/
+    - https://docs.microsoft.com/en-us/windows/win32/setupapi/run-and-runonce-registry-keys
+logsource:
+    category: process_creation
+    product: windows
+detection:
+    selection:
+        CommandLine|contains|all: 
+            - 'reg'
+            - ' ADD '
+            - 'Software\Microsoft\Windows\CurrentVersion\Run'
+    condition: selection
+falsepositives:
+    - Unknown
+level: medium