Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,707
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Wdigest CredGuard Registry Modification
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Wdigest CredGuard Registry Modification
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: Wdigest CredGuard Registry Modification
id: 1a2d6c47-75b0-45bd-b133-2c0be75349fd
status: test
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.
references:
- https://teamhydra.blog/2020/08/25/bypassing-credential-guard/
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
date: 2019-08-25
modified: 2021-11-27
tags:
- attack.persistence
- attack.defense-evasion
- attack.t1112
logsource:
category: registry_event
product: windows
detection:
selection:
TargetObject|endswith: '\IsCredGuardEnabled'
condition: selection
falsepositives:
- Unknown
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/registry/registry_event/registry_event_disable_wdigest_credential_guard.yml