ET EXPLOIT_KIT Coruna Loader Page

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT_KIT Coruna Loader Page";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.content_len;
    byte_test:0,>=,45000,0,string,dec;
    http.response_body;
    content:"|3c|script|20|type|3d 22|text|2f|javascript|22 3e|";
    content:".toString(16).toLowerCase()"; distance:0;
    content:".reduce"; distance:0;
    content:"|22 25|u|22|"; distance:0;
    content:"|22 25|u|22|"; distance:0;
    content:"unescape"; distance:0;
    content:"window.globalThis"; distance:0; fast_pattern;
    content:"window|3b|"; within:12;
    content:"new Function("; distance:0;
    reference:url,iverify.io/blog/coruna-inside-the-nation-state-grade-ios-exploit-kit-we-ve-been-tracking;
    classtype:trojan-activity;
    sid:2068085; rev:1;
    metadata:affected_product iOS, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_03_09, deployment Perimeter, confidence High, signature_severity Major, tag Exploit_Kit, tag iOS, tag Coruna, updated_at 2026_03_09, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;
    target:dest_ip;
)