Binary file used for compile vbs code
vbc.exe /target:exe c:\temp\vbs\run.vb
Binary file used by .NET to compile Visual Basic code to an executable.
Compile attacker code on system. Bypass defensive counter measures.
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe, C:\Windows\Microsoft.NET\Framework64\v3.5\vbc.exe
Sigma: https://github.com/SigmaHQ/sigma/blob/683b63f8184b93c9564c4310d10c571cbe367e1e/rules/windows/process_creation/proc_creation_win_lolbin_visual_basic_compiler.yml, Elastic: https://github.com/elastic/detection-rules/blob/61afb1c1c0c3f50637b1bb194f3e6fb09f476e50/rules/windows/defense_evasion_dotnet_compiler_parent_process.toml
Lior Adar, Hai Vaknin(Lux)