ET WEB_SPECIFIC_APPS FreePBX SSH testconnection Multiple Parameters Command Injection Attempt (CVE-2025-64328)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS FreePBX SSH testconnection Multiple Parameters Command Injection Attempt (CVE-2025-64328)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/admin/ajax.php|3f|"; startswith;
    content:"module|3d|filestore"; fast_pattern;
    content:"command|3d|testconnection";
    content:"driver|3d|SSH";
    pcre:"/(?:host|user|port|key|path)\x3d[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/";
    reference:url,theyhack.me/CVE-2025-64328-FreePBX-Authenticated-Command-Injection/;
    reference:cve,2025-64328;
    classtype:attempted-admin;
    sid:2067278; rev:1;
    metadata:affected_product FreePBX, attack_target Networking_Equipment, tls_state plaintext, created_at 2026_02_03, cve CVE_2025_64328, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2026_02_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)