alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"GPL WEB_CLIENT local resource redirection attempt"; flow:established,to_client; http.location; content:"URL"; fast_pattern; startswith; nocase; content:"|3a|"; reference:cve,2004-0549; reference:url,www.kb.cert.org/vuls/id/713878; classtype:attempted-user; sid:2102577; rev:9; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_09_23, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2024_04_03;)