Polyvaccine is a detection software that enables protection to HTTP or SIP servers from unknown binary attacks, such as polymorphic exploit attacks, and DDoS at the application layer. Linux and FreeBSD platforms are supported.
You can download it from the following link: https://packetstormsecurity.com/files/download/118568/polyvaccine-0.4.tar.gz
Source: https://packetstormsecurity.com/files/118568/Polyvaccine-0.4.html