title: Visual Basic Command Line Compiler Usage
id: 7b10f171-7f04-47c7-9fa2-5be43c76e535
status: test
description: Detects successful code compilation via Visual Basic Command Line Compiler that utilizes Windows Resource to Object Converter.
author: 'Ensar Şamil, @sblmsrsn, @oscd_initiative'
references:
  - https://lolbas-project.github.io/lolbas/Binaries/Vbc/
date: 2020/10/07
modified: 2021/11/27
logsource:
  category: process_creation
  product: windows
detection:
  selection:
    ParentImage|endswith: '\vbc.exe'
    Image|endswith: '\cvtres.exe'
  condition: selection
falsepositives:
  - Utilization of this tool should not be seen in enterprise environment
level: high
tags:
  - attack.defense_evasion
  - attack.t1027.004
