Uses Winsock to create UDP sockets and flood. UDP Unicorn is a Win32 UDP flooding/DoS (Denial of Service) utility with multithreading. Udp flooder runs on the following operating systems: Windows. It was initially added to our database on. The latest version of udp flooder is currently unknown. Udp flooder is a Shareware software in the category Miscellaneous developed by udp flooder.