Debuggers

The GNU Debugger is used to debug *NIX applications.

Installation on Debian based systems apt install gdb

To attach gdb to a running process, the following command can be used.

gdb -p `pidof <name of program>`

To make gdb more usable, pwndbg can be used.

To install pwndbg run the following.

git clone https://github.com/pwndbg/pwndbg
cd pwndbg
./setup.sh

Radare2 is a free re toolchain.

To install radare2, run the following.

git clone https://github.com/radareorg/radare2
cd radare2 ; sys/install.sh

x64dbg is an open-source x64/x32 debugger for Windows.

Immunity Debugger is a Windows debugger.

OllyDbg is a 32bit Windows debugger.