Reverse Engineering

Reverse Engineering? but we can bruteforce! not

Tools

IDA pro disassembler and debugger

(64-bit analysis is possible only with IDA Professional Edition)

Objdump

objdump -b binary -D -m i386:x86-64 file

Udis86

http://udis86.sourceforge.net/

c4decompiler

http://www.c4decompiler.com/

ollydbg 64

http://www.ollydbg.de/odbg64.html

HxD

http://mh-nexus.de/en/hxd/

Tutorials

http://www.devttys0.com/2012/11/reverse-engineering-serial-ports/ (identifying and reverse engineering embedded serial ports)