Msconfig.exe

type: OSBinaries

MSConfig is a troubleshooting tool which is used to temporarily disable or re-enable software, device drivers or Windows services that run during startup process to help the user determine the cause of a problem with Windows

Full path

C:\Windows\System32\msconfig.exe

Commands

ExecuteAdministrator T1218
Code execution using Msconfig.exe
```
Msconfig.exe -5
```
Executes command embeded in crafted c:\windows\system32\mscfgtlc.xml.
os: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10
Execute: CMD

Detection

Sigma https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_uac_bypass_msconfig_gui.yml
Sigma https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/file/file_event/file_event_win_uac_bypass_msconfig_gui.yml
IOCmscfgtlc.xml changes in system32 folder

Code samples

https://raw.githubusercontent.com/LOLBAS-Project/LOLBAS/master/OSBinaries/Payload/mscfgtlc.xml

Resources

https://twitter.com/pabraeken/status/991314564896690177

acknowledgement: Pierre-Alexandre Braeken @pabraeken