Question about minecraft Plugins .jar files

So I am wanting to leak some plugins but I know they have my spigot ID attached to them. Does anyone know where the couple lines of code are that attached my name to that specific plugin? Also what would you use to delete the few lines? I just downloaded Eclipse but its not working on my laptop and jars wont open in my other IDE. (its for c++ C C# and most other languages) Any help would be appreciated!