radare2
A set of reverse engineering tools.
TLDR
Open a file in write mode without parsing the file format headers
$ radare2 -nw [path/to/binary]
Debug a program
$ radare2 -d [path/to/binary]
Run a script before entering the interactive CLI
$ radare2 -i [path/to/script.r2] [path/to/binary]
Display help text for any command in the interactive CLI
$ > [radare2_command]?
Run a shell command from the interactive CLI
$ > ![shell_command]
Dump raw bytes of current block to a file
$ > pr > [path/to/file.bin]