alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET WEB_CLIENT Tech Support Phone Scam Landing 2016-07-21 M1"; flow:to_server,established; http.method; content:"GET"; http.uri; content:"/your-computer-is-locked-call-us-at-tollfreenow"; fast_pattern; nocase; content:"your-computer-is-locked-call-us-at-tollfreenow"; nocase; distance:0; classtype:social-engineering; sid:2022980; rev:3; metadata:attack_target Client_Endpoint, created_at 2016_07_21, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Phishing, updated_at 2020_07_20;)