alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Mevade Checkin"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/attachments/ip.php"; classtype:command-and-control; sid:2017558; rev:5; metadata:created_at 2013_10_05, signature_severity Major, updated_at 2024_03_06;)