huntrule

Possible New BgInfo.EXE Custom WMI Query Registry Configuration (via registry_set)

This rule detects setting of a new registry value related to BgInfo configuration, that can be misused to execute custom WMI query via "BgInfo.exe"

SigmamediumWindowsv1
sigma
title: Possible New BgInfo.EXE Custom WMI Query Registry Configuration (via registry_set)
id: 10b868a3-b13a-50d6-8aa8-ae8607794eb8
status: stable
description: This rule detects setting of a new registry value related to BgInfo configuration, that can be misused to execute custom WMI query via "BgInfo.exe"
references:
    - https://attack.mitre.org/techniques/T1112/
    - Internal Research
author: Huntrule Team
date: 2026-02-14
tags:
    - attack.persistence
    - attack.defense-impairment
    - attack.t1112
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|contains: '\Software\Winternals\BGInfo\UserFields\'
        Details|startswith: '6'
    condition: selection
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.