First fuzzing exercise: used AFL++ and ASan to find and exploit a stack buffer overflow in a custom C program, hijacking RIP to reach a win() function.

A brief explanation of the stack canary and how to bypass it

ROP Emporium pwn challenge, exploiting using a short ROP chain.

A breakdown of PIE + ASLR, what they do, how they're connected, and how to bypass them.

A breakdown of RELRO, what it does, and how it can be bypassed.

HackTheBox easy pwn challenge - ret2win with stack-based buffer overflow and parameter passing.