ET WEB_SPECIFIC_APPS Zyxel NAS CGI Command Injection (CVE-2024-29972)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Zyxel NAS CGI Command Injection (CVE-2024-29972)";
    flow:established, to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/cgi-bin/remote_help-cgi/";
    content:"type=sshd_tdc"; fast_pattern; distance:0;
    reference:url,outpost24.com/blog/zyxel-nas-critical-vulnerabilities/;
    reference:cve,2024-29972;
    classtype:web-application-activity;
    sid:2055907; rev:1;
    metadata:affected_product Zyxel, tls_state plaintext, created_at 2024_09_18, cve CVE_2024_29972, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2024_09_18, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)