Suspicious New BgInfo.EXE Custom VBScript Registry Configuration (via registry_set)

title: Suspicious New BgInfo.EXE Custom VBScript Registry Configuration (via registry_set)
id: 9fd38e44-1415-5e39-9fb6-f983f8ca2a2f
status: stable
description: This rule detects setting of a new registry value related to BgInfo configuration, that can be misused to execute custom VBScript via "BgInfo.exe"
references:
    - https://attack.mitre.org/techniques/T1112/
    - Internal Research
author: Huntrule Team
date: 2026-07-16
tags:
    - attack.persistence
    - attack.defense-impairment
    - attack.t1112
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|contains: '\Software\Winternals\BGInfo\UserFields\'
        Details|startswith: '4'
    condition: selection
falsepositives:
    - Unknown
level: medium