ET EXPLOIT .NET Remoting BinaryServerFormatterSink ObjRef Leak (CVE-2024-29059)

alert http any any -> $HOME_NET any (
    msg:"ET EXPLOIT .NET Remoting BinaryServerFormatterSink ObjRef Leak (CVE-2024-29059)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/RemoteApplicationMetadata.rem?wsdl"; fast_pattern; endswith;
    http.header;
    content:"__RequestVerb|3a 20|POST";
    http.content_type;
    content:"application|2f|octet-stream";
    reference:url,code-white.com/blog/leaking-objrefs-to-exploit-http-dotnet-remoting/;
    reference:cve,2024-29059;
    classtype:web-application-attack;
    sid:2056205; rev:1;
    metadata:attack_target Server, tls_state TLSDecrypt, created_at 2024_09_26, cve CVE_2024_29059, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2024_09_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)