alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Bzub2 Related RPC/Http Checkin"; flow:established,to_server; http.uri; content:"/rpc.php?a=ftp"; nocase; content:"&b="; nocase; classtype:command-and-control; sid:2007843; rev:7; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2020_04_21;)