ET WEB_SPECIFIC_APPS Microsoft Sharepoint BDCM File Creation (CVE-2023-24955)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Microsoft Sharepoint BDCM File Creation (CVE-2023-24955)";
    flow:established,to_server;
    flowbits:set,ET.Sharepoint.CVE-2023-24955;
    http.method;
    content:"POST";
    http.uri;
    content:"|2f|web|2f|GetFolderByServerRelativeUrl|28|";
    content:"|2f|BusinessDataMetadataCatalog|2f 27 29 2f|Files|2f|add|28|url|3d|'"; fast_pattern; distance:0;
    content:"|2f|BusinessDataMetadataCatalog|2f|BDCMetadata|2e|bdcm"; distance:0;
    http.request_body;
    content:"Name|3d 22|WebServiceProxyNamespace|22|";
    content:"|21 5b|CDATA|5b|"; distance:0;
    reference:cve,2023-24955;
    classtype:web-application-attack;
    sid:2057281; rev:1;
    metadata:affected_product Microsoft_Sharepoint, attack_target Server, tls_state TLSDecrypt, created_at 2024_11_06, cve CVE_2023_24955, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2024_11_06, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)