Spoolsv Spawning Rundll32
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About the rule
Rule Type
Standard
Rule Description
Detects instances where the "spoolsv.exe" process initiates the spawning of the "rundll32.exe" process
Severity
Critical
Rule Requirement
Criteria
Action1: actionname = "Process started" AND ((PARENTPROCESSNAME endswith "Windows\SysWow64\spoolsv.exe" OR PARENTPROCESSNAME endswith "WINNT\system32\spoolsv.exe" OR PARENTPROCESSNAME endswith "Windows\System32\spoolsv.exe") AND PROCESSNAME endswith "rundll32.exe") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
