ShimCache Flush
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About the rule
Rule Type
Standard
Rule Description
Detects actions that clear the local ShimCache and remove forensic evidence
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND ((COMMANDLINE contains "rundll32" AND COMMANDLINE contains "apphelp.dll") AND COMMANDLINE contains "ShimFlushCache,#250") OR ((COMMANDLINE contains "rundll32" AND COMMANDLINE contains "kernel32.dll") AND COMMANDLINE contains "BaseFlushAppcompatCache,#46") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Florian Roth (Nextron Systems)
