alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET WEB_CLIENT Tech Support Phone Scam Landing Aug 10 M1"; flow:to_server,established; content:"GET"; http_method; content:"/please-fix-immediately-"; nocase; fast_pattern; http_uri; content:"/index.html"; nocase; distance:0; http_uri; pcre:"/[A-Za-z0-9]{10,20}_14[0-9]{8,}\/index\.html$/Ui"; classtype:social-engineering; sid:2023037; rev:3; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_08_10, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Phishing, updated_at 2022_03_17;)