Periodicity classification of HTTP traffic to detect HTTP Botnets

Recently, the HTTP based Botnet threat has become a serious challenge for security experts as Bots can be distributed quickly and stealthily. With the HTTP protocol, Bots hide their communication flows within the normal HTTP flows making them more stealthy and difficult to detect. Furthermore, since the HTTP service is being widely used by the Internet applications, it is not easy to block this service as a precautionary measure and other...