ET WEB_SPECIFIC_APPS Syrotec/GPON shellCMDExec command Parameter Command Injection Attempt (CVE-2024-46658)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Syrotec/GPON shellCMDExec command Parameter Command Injection Attempt (CVE-2024-46658)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/cgi/home.php|3f|"; startswith;
    content:"fun|3d|system";
    content:"page=shellCMDExec"; fast_pattern;
    content:"command|3d|";
    pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R";
    reference:url,github.com/jackalkarlos/CVE-2024-46658/tree/main;
    reference:cve,2024-46658;
    classtype:attempted-admin;
    sid:2065217; rev:1;
    metadata:affected_product Syrotec, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_10_16, cve CVE_2024_46658, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)