alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Bravix Checkin"; flow:to_server,established; http.method; content:"GET"; nocase; http.uri; content:"?wmid="; content:"&l="; content:"&it="; content:"&s="; classtype:command-and-control; sid:2008541; rev:8; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2020_04_21;)