From 87e23caa401a567771e8f8cc26cb90269fe59a31 Mon Sep 17 00:00:00 2001
From: mhaag-spl <5632822+MHaggis@users.noreply.github.com>
Date: Wed, 11 Aug 2021 06:38:49 -0600
Subject: [PATCH] Update suspicious_rundll32_startw.yml

---
 detections/endpoint/suspicious_rundll32_startw.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/detections/endpoint/suspicious_rundll32_startw.yml b/detections/endpoint/suspicious_rundll32_startw.yml
index a6f99d08af..7b587eb12f 100644
--- a/detections/endpoint/suspicious_rundll32_startw.yml
+++ b/detections/endpoint/suspicious_rundll32_startw.yml
@@ -16,7 +16,8 @@ description: The following analytic identifies rundll32.exe executing a DLL func
   rundll32.exe is the default process it opens and injects shellcode into. This default
   process can be changed, but typically is not.
 search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time)
-  as lastTime from datamodel=Endpoint.Processes where Processes.process_name=rundll32.exe
+  as lastTime from datamodel=Endpoint.Processes where (Processes.original_file_name=RUNDLL32.exe
+  OR Processes.process_name=rundll32.exe)
   Processes.process=*start* by Processes.dest Processes.user Processes.parent_process
   Processes.process_name Processes.process Processes.process_id Processes.parent_process_id
   | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)`