ET PHISHING Landing Page Victim Registration Validation

alert http $EXTERNAL_NET any -> $EXTERNAL_NET any (
    msg:"ET PHISHING Landing Page Victim Registration Validation";
    flow:established,to_client;
    http.response_body;
    content:"this|2e|app|2e|pendingEventsToBeFired"; fast_pattern;
    content:"this.zipCodeDetails";
    content:"this.visitedButEmptyInputFields";
    content:"this.eventTracker";
    content:"this.emailProviders";
    content:"this.slds";
    content:"this.tlds";
    classtype:social-engineering;
    sid:2065552; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Mac_OSX, affected_product Linux, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_10_28, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_28;
    target:dest_ip;
)