I've noticed a recent trend on Threatglass, where Nuclear EK is pushing what EmergingThreats is identifying as Kelihos malware. Kelihos is a well-publicized botnet, easy to search for on Google.
more here........http://www.malware-traffic-analysis.net/2015/03/16/index.html
more here........http://www.malware-traffic-analysis.net/2015/03/16/index.html