Rundll32 InstallScreenSaver Execution
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About the rule
Rule Type
Standard
Rule Description
An attacker may execute an application as a SCR File using rundll32.exe desk.cpl,InstallScreenSaver
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\rundll32.exe" OR ORIGINALFILENAME = "RUNDLL32.EXE") AND COMMANDLINE contains "InstallScreenSaver" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Christopher Peacock @securepeacock, SCYTHE @scythe_io, TactiKoolSec
