Suspicious Lolbin Unregmp2.exe Use As Proxy (via process_creation)

title: Suspicious Lolbin Unregmp2.exe Use As Proxy (via process_creation)
id: 3432cf60-fde4-500f-becf-f165944d74b5
status: stable
description: This rule detects use of the "unregmp2.exe" binary as a proxy to launch a custom version of "wmpnscfg.exe"
references:
    - https://attack.mitre.org/techniques/T1218/
    - https://lolbas-project.github.io/lolbas/Binaries/Unregmp2/
author: Huntrule Team
date: 2026-07-23
tags:
    - attack.stealth
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\unregmp2.exe'
        - OriginalFileName: 'unregmp2.exe'
    selection_cmd:
        CommandLine|contains|windash: ' /HideWMP'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium