Update CAR-2021-05-010.yml

added pseudocode

analytics/CAR-2021-05-010.yml

@@ -18,7 +18,17 @@ coverage:
   - TA0003
   coverage: Moderate
 implementations:
-- description: You must be ingesting data that records process activity from your
+-	name: Pseudocode – CertUtil certificate extraction
+  description: Pseudocode implementation of the Splunk search below
+  code: |- 
+      processes = search Process:Create
+      certutil_downloads = filter processes where (
+        (exe = C:\Windows\System32\net.exe OR exe = C:\Windows\System32\net1.exe ) AND command_line = * -exportPFX * )
+      output certutil_downloads
+  data_model: CAR native
+  type: Pseudocode
+- name: Splunk code
+  description: You must be ingesting data that records process activity from your
     hosts to populate the Endpoint data model in the Processes node. You must also
     be ingesting logs with both the process name and command line from your endpoints.
     The command-line arguments are mapped to the "process" field in the Endpoint data