Radare2 (also known as r2) is a complete framework for reverse engineering and analyzing binaries; composed of a set of small utilities that can be used together or independently from the command line ...

Grab [radare2](http://www.radare.org/y/), an [asm cheat sheet](http://www.jegerlehner.ch/intel/), the IOLI crackme bin file (linux, win32 and pocketPC) [download from ...