sigmamediumHunting

Pubprn.vbs Proxy Execution

Detects the use of the 'Pubprn.vbs' Microsoft signed script to execute commands.

MITRE ATT&CK

defense-evasion

Detection Query

selection:
  CommandLine|contains|all:
    - \pubprn.vbs
    - "script:"
condition: selection

Author

frack113

Created

2022-05-28

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://lolbas-project.github.io/lolbas/Scripts/Pubprn/

Tags

attack.defense-evasionattack.t1216.001

Raw Content

title: Pubprn.vbs Proxy Execution
id: 1fb76ab8-fa60-4b01-bddd-71e89bf555da
status: test
description: Detects the use of the 'Pubprn.vbs' Microsoft signed script to execute commands.
references:
    - https://lolbas-project.github.io/lolbas/Scripts/Pubprn/
author: frack113
date: 2022-05-28
tags:
    - attack.defense-evasion
    - attack.t1216.001
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - '\pubprn.vbs'
            - 'script:'
    condition: selection
falsepositives:
    - Unknown
level: medium