radare2

Assembly debugger.

Analyze the main function

r2 -q -c "aaa; pdf @main" filename

Decoding function analysis

r2 -q -c "aaa; pdf @sym.some_function_name" filename

Debug a program

radare2 -d /path/program_name

radare2 -d /usr/bin/bash

Enter main

dcu main

Step 3 times

ds 3

Enter visual mode

vpp
Press p to change view (you can press p many times)

Help

?

Help on a command

ds?