alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Ponmocup C2 Post-infection Checkin"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/html/license_"; nocase; pcre:"/^[0-9A-F]{550,}\.html/Ri"; classtype:command-and-control; sid:2011969; rev:10; metadata:created_at 2010_11_23, signature_severity Major, updated_at 2020_05_06;)