Honestly, most of these get caught by the game’s anti-cheat systems. I’ve seen folks get their accounts banned pretty quickly for using this stuff.
If you’re curious and want to learn more about this kind of thing, check out the Guided Hacking blog. It’s got a bunch of info on Dota 2 hacks and mods. Just be aware that while cheating might seem like a quick way to level up or get cool skins, it can easily backfire. Losing an account over it isn’t worth it, in my opinion.