alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET GAMES Nintendo Wii User-Agent"; flow:established,to_server; http.header; content:"(Nintendo Wii"; reference:url,www.useragentstring.com/pages/Opera/; classtype:policy-violation; sid:2014718; rev:4; metadata:created_at 2012_05_08, confidence High, signature_severity Informational, updated_at 2020_04_21;)