Potential Persistence Via Shim Database In Uncommon Location
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About the rule
Rule Type
Standard
Rule Description
Detects the installation of a new shim database where the file is located in a non-default location
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Registry value modified" AND ((OBJECTNAME contains "\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\InstalledSDB" AND OBJECTNAME contains "\DatabasePath") OR ((OBJECTNAME contains "\DatabasePath" OR OBJECTVALUENAME contains "\DatabasePath") OR (OBJECTNAME endswith "\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\InstalledSDB" AND isExist(OBJECTVALUENAME)))) AND INFORMATION notcontains ":\Windows\AppPatch\Custom" select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
