Malware
Zyklon
According to FireEye, Zyklon or Zyklon HTTP is a publicly available, full-featured backdoor capable of keylogging, password harvesting, downloading and executing additional plugins, conducting distrib
Zyklon is a Windows malware family.
Background
Per FireEye, Zyklon (also called Zyklon HTTP) is an openly available, fully featured backdoor whose functions include keylogging, stealing passwords, pulling down and running extra plugins, mounting distributed denial-of-service (DDoS) attacks, and updating or uninstalling itself. When set up to do so, it can route traffic to its command and control (C2) server through the The Onion Router (Tor) network. Among the plugins it can retrieve are ones that add cryptocurrency mining and recover credentials from browsers and email clients. Zyklon further offers an effective way to track how far it has spread and the damage it has caused.
Source: Malpedia (Fraunhofer FKIE).