alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY myip.ru IP lookup"; flow:established,to_server; http.host; content:"myip.ru"; fast_pattern; endswith; classtype:policy-violation; sid:2018021; rev:6; metadata:created_at 2014_01_28, confidence High, signature_severity Informational, updated_at 2020_09_22;)