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gef

Modern experience for GDB with advanced debugging capabilities

resource-developmentRed Team

Matches ATT&CK tactic: Resource Development ↗

Official docs ↗Download ↗Source repo ↗

Platforms: Linux · Last verified September 6, 2026

GEF is a set of commands for x86/64, ARM, MIPS, PowerPC and SPARC to assist exploit developers and reverse-engineers when using old school GDB. It provides additional features to GDB using the Python API to assist during the process of dynamic analysis and exploit development. Application developers will also benefit from it, as GEF lifts a great part of regular GDB obscurity, avoiding repeating traditional commands, or bringing out the relevant information from the debugging runtime.

Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.

Getting started

Install on Kali Linux with `sudo apt install gef`. See the official Kali tool page and upstream homepage linked above for full usage and configuration details.

Commonly preinstalled on

Kali Linux

Debian-based distribution built for penetration testing and security auditing