ET WEB_SPECIFIC_APPS PTZOptics post_network_other_conf ntp_addr Parameter Command Injection Attempt (CVE-2024-8957)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS PTZOptics post_network_other_conf ntp_addr Parameter Command Injection Attempt (CVE-2024-8957)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/cgi-bin/param.cgi?post_network_other_conf"; fast_pattern;
    http.request_body;
    content:"ntp_addr|3d|";
    pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R";
    reference:url,www.labs.greynoise.io/grimoire/2024-10-31-sift-0-day-rce/;
    reference:cve,2024-8957;
    classtype:attempted-admin;
    sid:2071566; rev:1;
    metadata:affected_product PTZOptics, attack_target Networking_Equipment, tls_state plaintext, created_at 2026_08_18, cve CVE_2024_8957, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2026_08_18, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)