Darkness, a.k.a. Optima, is a bot that majors in performing distributed denial-of-service (DDoS) attacks. This botnet is an old one that has been in the Russian cybercrime underground market for a long time. Since 2013, there has been no new update and so most variants are down. According to our botnet monitoring system’s continued tracking, there is still one variant that has been active for almost one year. During this period, this DDoS bot has performed several attacks.
read more........http://blog.fortinet.com/Darkness-Still-Lurks/
read more........http://blog.fortinet.com/Darkness-Still-Lurks/