Detectionhightest
Wdigest CredGuard Registry Modification
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.
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Launch
Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)Created Sun Aug 25Updated Sat Nov 271a2d6c47-75b0-45bd-b133-2c0be75349fdwindows
Log Source
WindowsRegistry Event
ProductWindows← raw: windows
CategoryRegistry Event← raw: registry_event
Events for Windows Registry modifications including key creation, modification, and deletion.
Detection Logic
Detection Logic1 selector
detection:
selection:
TargetObject|endswith: '\IsCredGuardEnabled'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Techniques
Rule Metadata
Rule ID
1a2d6c47-75b0-45bd-b133-2c0be75349fd
Status
test
Level
high
Type
Detection
Created
Sun Aug 25
Modified
Sat Nov 27
Path
rules/windows/registry/registry_event/registry_event_disable_wdigest_credential_guard.yml
Raw Tags
attack.persistenceattack.defense-evasionattack.t1112