alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Cinmus.Checkin 2"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:"?fid="; fast_pattern; nocase; content:"&kid="; nocase; content:"&cnt="; nocase; content:"&mac="; nocase; content:"&kw="; nocase; content:"&from="; classtype:command-and-control; sid:2008624; rev:9; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2024_03_16;)