RunDLL32 Spawning Explorer
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About the rule
Rule Type
Standard
Rule Description
Detects RunDLL32.exe spawning explorer.exe as child, which is very uncommon, often observes Gamarue spawning the explorer.exe process in an unusual way
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PARENTPROCESSNAME endswith "\rundll32.exe" AND PROCESSNAME endswith "\explorer.exe") AND PARENTPROCESSCOMMANDLINE notcontains "\shell32.dll,Control_RunDLL" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
elhoim, CD_ROM_
