Writeup for Don't net, kids!
Writeup for Buggy Bot!
Walkthroughs for Pwnable.kr challenge (flag)
Walkthroughs for the first 3 Pwnable.kr challenges (fd, col, bof)
Walkthrough for OTW's Leviathan all levels.
Brief discussion on techniques to bypass ASLR assuming no other protection is in place.
Discussion about various methods on locating and jumping to shellcode in stack-based exploits and others.
Click title to see the PDF. Mirror: https://www.exploit-db.com/docs/42061.pdf