config case_sensitive = false | preset=xdr_file | filter event_type = ENUM.FILE and 
 (agent_os_type = ENUM.AGENT_OS_WINDOWS and 
 ((actor_process_image_path contains "\svchost.exe" and 
 action_file_name contains "\Personalization\LockScreenImage\") and 
 (not 
 action_file_name contains "C:\Windows\") and 
 (not 
 (action_file_name in ("*.jpg*", "*.jpeg*", "*.png*")))))