krbrelayx

Kerberos relaying and unconstrained delegation abuse toolkit

Platforms: Linux · Last verified September 6, 2026

Kerberos relaying and unconstrained delegation abuse toolkit. This tool can add/remove/modify Service Principal Names on accounts in AD over LDAP.

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 krbrelayx`. 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