ET MALWARE Fake Updates Victim Click Confirmation Javascript Observed

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Fake Updates Victim Click Confirmation Javascript Observed";
    flow:established,to_client;
    http.response_body;
    content:"function sendStat(action)";
    content:"|28 21|clientIP|29|"; distance:0;
    content:"JSON|2e|stringify|28 7b 20|ip|3a 20|clientIP|20 7d 29|"; fast_pattern;
    classtype:trojan-activity;
    sid:2069667; rev:1;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_06_05, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, updated_at 2026_06_05, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;
    target:dest_ip;
)