hexinject
Versatile packet injector and sniffer
Platforms: Linux · Last verified September 6, 2026
HexInject is a very versatile packet injector and sniffer, that provide a command-line framework for raw network access.
Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.
Getting started
See the official Kali tool page and upstream homepage linked above for installation and usage details.