Unusual Child Process Of BgInfo.EXE (via process_creation)

title: Unusual Child Process Of BgInfo.EXE (via process_creation)
id: 5873d536-ef94-5622-aa3d-bb699ef8814e
status: stable
description: This rule detects uncommon child processes of "BgInfo.exe" which could be a sign of potential misuse of the binary to proxy execution via external VBScript
references:
    - https://attack.mitre.org/techniques/T1202/
    - https://attack.mitre.org/techniques/T1218/
    - https://attack.mitre.org/techniques/T1059/005/
    - https://lolbas-project.github.io/lolbas/OtherMSBinaries/Bginfo/
    - https://oddvar.moe/2017/05/18/bypassing-application-whitelisting-with-bginfo/
author: Huntrule Team
date: 2026-02-22
tags:
    - attack.execution
    - attack.stealth
    - attack.t1059.005
    - attack.t1218
    - attack.t1202
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith:
            - '\bginfo.exe'
            - '\bginfo64.exe'
    condition: selection
falsepositives:
    - Unknown
level: medium