alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Trojan.Win32.Buzus Checkin"; flow:established,to_server; http.uri; content:".php?guid_bot="; content:"&ver_bot="; content:"&stat_bot="; classtype:command-and-control; sid:2008550; rev:6; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2020_04_21;)