title: Visual Basic Command Line Compiler Usage
id: 7b10f171-7f04-47c7-9fa2-5be43c76e535
status: experimental
description: Detects successful code compilation via Visual Basic Command Line Compiler that utilizes Windows Resource to Object Converter.
references:
    - https://lolbas-project.github.io/lolbas/Binaries/Vbc/
author: 'Ensar Şamil, @sblmsrsn, @oscd_initiative' 
date: 2020/10/07
tags:
    - attack.defense_evasion
    - attack.t1027.004
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
