UFONet abuses OSI Layer 7-HTTP to create/manage ‘zombies’ and to conduct different attacks using GET/POST, multi-threading, proxies, origin spoofing methods, cache evasion techniques, etc.
You can download it from the following link: https://packetstormsecurity.com/files/download/158902/ufonet-v1.6.tar.gz
Source: https://packetstormsecurity.com/files/158902/UFONet-1.6.html

