Nsat is a fast bulk security scanner designed for long-range scans written in C++ which scans and audits about 60 different services and 170 cgis with different scan intensity.
You can download it from the following link: https://packetstormsecurity.com/files/download/10909/nsat-1.12.tgz
Source: https://packetstormsecurity.com/files/10909/nsat-1.12.tgz.html

