ET WEB_SPECIFIC_APPS Tuoshi set_timesetting ntpserver Parameter Command Injection Attempt (CVE-2025-43989)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Tuoshi set_timesetting ntpserver Parameter Command Injection Attempt (CVE-2025-43989)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:23;
    content:"/goform/formJsonAjaxReq";
    http.request_body; strip_whitespace;
    content:"|22|action|22 3a 22|set_timesetting|22|"; fast_pattern;
    content:"|22|ntpserver";
    pcre:"/\x22ntpserver[01]\x22(?:\x3a(?:\x20\x22|\x22))?[^\x2c\x7d$]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/";
    reference:url,github.com/actuator/cve/tree/main/Tuoshi;
    reference:cve,2024-43989;
    classtype:attempted-admin;
    sid:2066604; rev:2;
    metadata:affected_product Tuoshi, attack_target Networking_Equipment, tls_state plaintext, created_at 2026_01_06, cve CVE_2025_43989, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_07_31, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)