ET HUNTING Microsoft Windows rapi.dll DLL Planting Remote Code Execution (CVE-2015-2369)

alert tcp any any -> $HOME_NET any (
    msg:"ET HUNTING Microsoft Windows rapi.dll DLL Planting Remote Code Execution (CVE-2015-2369)";
    flow:established,to_client;
    file.data;
    content:"|7b 5c|rtf";
    content:"|7b 5c 2a 5c|objdata|20|0105000002000000";
    content:"574D444D434553502E574D444D434553502E3100"; fast_pattern; nocase; distance:8;
    content:"d0cf11e0a1b11ae1"; nocase; distance:0;
    reference:url,www.blackhat.com/docs/us-15/materials/us-15-Li-Attacking-Interoperability-An-OLE-Edition.pdf;
    reference:cve,2015-2369;
    classtype:bad-unknown;
    sid:2059678; rev:1;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_01_27, cve CVE_2015_2369, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Exploit, updated_at 2025_01_27, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;
    target:dest_ip;
)