ET WEB_SPECIFIC_APPS Synology Driver Server Unauthorized Access (CVE-2024-50630)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Synology Driver Server Unauthorized Access (CVE-2024-50630)";
    flow:established,to_server;
    http.uri;
    content:"/webapi/entry.cgi"; fast_pattern;
    http.request_body;
    content:"api|3d|SYNO.SynologyDrive.Authentication";
    content:"method|3d|authenticate";
    content:"username|3d|";
    content:!"password|3d|";
    reference:url,kiddo-pwn.github.io/blog/2025-11-30/writing-sync-popping-cron;
    reference:cve,2024-50630;
    classtype:web-application-attack;
    sid:2066035; rev:1;
    metadata:affected_product Synology, attack_target Server, tls_state TLSDecrypt, created_at 2025_12_05, cve CVE_2024_50630, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2025_12_05, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)