ET WEB_SPECIFIC_APPS Barracuda RMM Service Center Absolute Path Traversal RCE (CVE-2025-34392)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Barracuda RMM Service Center Absolute Path Traversal RCE (CVE-2025-34392)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:23;
    content:"|2f|SCMessaging|2f|scnoc|2e|asmx"; fast_pattern;
    http.header_names;
    content:"|0d 0a|SOAPAction|0d 0a|";
    http.request_body;
    content:"|3c|urlwsdl|3e 3c|";
    pcre:"/^(?:http|file)\x3a\x2f\x2f/R";
    content:"|2e|wsdl|3e 3c 2f|urlwsdl|3e|"; distance:0;
    content:"|3c|wsmethod|3e|";
    content:"|3c 2f|wsmethod|3e|";
    reference:url,labs.watchtowr.com/soapwn-pwning-net-framework-applications-through-http-client-proxies-and-wsdl/;
    reference:cve,2025-34392;
    classtype:attempted-admin;
    sid:2066258; rev:1;
    metadata:affected_product Barracuda_RMM, attack_target Server, tls_state TLSDecrypt, created_at 2025_12_10, cve CVE_2025_34392, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_12_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)