If you have already downloaded and run an executable from an unknown .rar file, it is highly recommended to change your Discord password immediately (which resets your token) and run a full antivirus scan. Did you find this file on a specific site , or
Files named like this often contain "token grabbers" or "stealers" designed to compromise your Discord account and local data.
Legitimate developers typically host code on GitHub (e.g., onemanbuilds/AuthGGDCBot ) where the source can be inspected.
If you want to host it yourself, use a reputable repository like night0721/auth-bot on GitHub.