Wdigest CredGuard Registry Modification
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About the rule
Rule Type
Standard
Rule Description
Detects potential malicious modification of the property value of IsCredGuardEnabled from HKLM:\\SYSTEM\\CurrentControlSet\\Control\\SecurityProviders\\WDigest to disable Cred Guard on a system. This is usually used with UseLogonCredential to manipulate the caching credentials.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Registry Event" AND OBJECTNAME endswith "\IsCredGuardEnabled" select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.OBJECTNAME,Action1.OBJECTVALUENAME,Action1.ACCESSES,Action1.USERNAME,Action1.DOMAIN,Action1.PREVVAL,Action1.CHANGES,Action1.INFORMATION
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
