ET WEB_SPECIFIC_APPS DrayTek Gateway Web Management Interface OS Command Injection (CVE-2024-12987)

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS DrayTek Gateway Web Management Interface OS Command Injection (CVE-2024-12987)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/cgi-bin/mainfunction.cgi/apmcfgupload"; fast_pattern;
    content:"session|3d|";
    content:"|b4 25 35 32 24 63 25 35 32 24 63|"; distance:0;
    reference:url,nvd.nist.gov/vuln/detail/CVE-2024-12987;
    reference:cve,2024-12987;
    classtype:web-application-attack;
    sid:2059890; rev:1;
    metadata:affected_product DrayTek, attack_target Server, tls_state TLSDecrypt, created_at 2025_02_05, cve CVE_2024_12987, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2025_02_05, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)