intrace
Traceroute-like application piggybacking on existing TCP connections
Platforms: Linux · Last verified September 6, 2026
InTrace is a traceroute-like application that enables users to enumerate IP hops exploiting existing TCP connections, both initiated from local network (local system) or from remote hosts. It could be useful for network reconnaissance and firewall bypassing.
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 intrace`. See the official Kali tool page and upstream homepage linked above for full usage and configuration details.
