Suspicious Execution of Pubprn.vbs Proxy (via process_creation)

title: Suspicious Execution of Pubprn.vbs Proxy (via process_creation)
id: 8561c119-3003-5ca8-a77a-2fdadfe0b08b
status: stable
description: This rule detects the use of the 'Pubprn.vbs' Microsoft signed script to execute commands.
references:
    - https://attack.mitre.org/techniques/T1216/001/
    - https://lolbas-project.github.io/lolbas/Scripts/Pubprn/
author: Huntrule Team
date: 2026-04-30
tags:
    - attack.stealth
    - attack.t1216.001
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - '\pubprn.vbs'
            - 'script:'
    condition: selection
falsepositives:
    - Unknown
level: medium