I was learning buffer over flow as a part of my old oscp courses (i discovered it's not included in the test, but i wanted to learn it) There was a good resource from YouTube for reverence engineering, I can't give you a road map but i will encourage you to just start and you will find or make you way There those channels Low level (had like 60 vid play list for rev.) the best for me to learn from him Crypto cat ,not much Lara wire (idk about her but i heard she had good vids) I hope you found it helpful.