UAC Bypass Using Windows Media Player - File
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About the rule
Rule Type
Standard
Rule Description
Detects the pattern of UAC Bypass using Windows Media Player osksupport.dll (UACMe 32)
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "File Created or Modified" AND ((FILENAME startswith "C:\Users" OR OBJECTNAME startswith "C:\Users") AND (FILENAME endswith "\AppData\Local\Temp\OskSupport.dll" OR OBJECTNAME endswith "\AppData\Local\Temp\OskSupport.dll")) OR (PROCESSNAME = "C:\Windows\system32\DllHost.exe" AND (FILENAME = "C:\Program Files\Windows Media Player\osk.exe" OR OBJECTNAME = "C:\Program Files\Windows Media Player\osk.exe")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Christian Burkard (Nextron Systems)
