alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Cinmus.Checkin 2"; flow:to_server,established; content:"GET"; http_method; nocase; content:"?fid="; nocase; http_uri; content:"&kid="; nocase; http_uri; content:"&cnt="; nocase; http_uri; content:"&mac="; nocase; http_uri; content:"&kw="; nocase; http_uri; content:"&from="; http_uri; classtype:command-and-control; sid:2008624; rev:8; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2019_07_26;)