alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Kazy Checkin"; flow:to_server,established; http.uri; content:"/get_"; content:"did="; http.user_agent; content:"Downloader"; depth:10; reference:md5,73d2dd466df92b77a4c34adcd13e8b50; reference:url,community.emc.com/community/connect/rsaxchange/netwitness/blog/2014/03/28/new-kazy-variant-kazy-forces; classtype:command-and-control; sid:2018341; rev:8; metadata:created_at 2013_09_11, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_19;)