GDB

GNU debugger enhanced with pwndbg or GEF — the primary dynamic analysis tool for ELF binaries.

Installation

# GDB
sudo apt-get install -y gdb

# pwndbg (recommended for RE/malware)
git clone https://github.com/pwndbg/pwndbg ~/pwndbg
cd ~/pwndbg && ./setup.sh

# OR GEF (lighter)
bash -c "$(curl -fsSL https://gef.blah.cat/sh)"