ET PHISHING GhostFrame Phish Landing Page M3 2026-01-05

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET PHISHING GhostFrame Phish Landing Page M3 2026-01-05";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.response_body;
    content:"window.parent.postMessage";
    content:"window.location.href"; distance:0;
    content:"subdomain"; distance:0;
    content:"secret_key"; nocase; distance:0;
    content:"encryptedu"; nocase; distance:0;
    content:"blockcertainactions"; nocase; distance:0;
    content:"decodeshadowurl"; fast_pattern; nocase; distance:0;
    reference:url,blog.barracuda.com/2025/12/04/threat-spotlight-ghostframe-phishing-kit;
    classtype:social-engineering;
    sid:2066597; rev:1;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_01_06, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Phishing, tag GhostFrame, updated_at 2026_01_06, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)