If you are afraid of doing "dangerous things". I would suggest you to use Luma3DS with your current menuhax+emunand setup.
https://gbatemp.net/threads/tutorial-updating-from-rxtools-to-luma3ds.427735/
That's amazing how https://github.com/smealum/snshax redirects to https://github.com/smealum/ninjhax2.x and that there are some snshax code if you browse old commits...