ET WEB_CLIENT Microsoft Tech Support Scam M1 2016-09-15

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET WEB_CLIENT Microsoft Tech Support Scam M1 2016-09-15";
    flow:to_client,established;
    http.stat_code;
    content:"200";
    http.content_type;
    content:"text/html"; startswith;
    file.data;
    content:"Download Security Essentials"; nocase; fast_pattern;
    content:"Malicious Software Removal"; nocase; distance:0;
    content:"<audio";
    content:"autoplay="; nocase; distance:0;
    content:"autoplay"; distance:1; nocase;
    content:"audio/mpeg"; nocase; distance:0;
    content:"getURLParameter";
    content:"setTimeout"; distance:0;
    classtype:social-engineering;
    sid:2023235; rev:3;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_09_15, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2020_07_27;
)