ET WEB_SPECIFIC_APPS Citrix Session Recording .NET Remoting Remote Code Execution (CVE-2023-6184)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Citrix Session Recording .NET Remoting Remote Code Execution (CVE-2023-6184)";
    flow:established,to_server;
    http.uri;
    content:"/SessionRecordingBroker/RestApiStat.rem"; fast_pattern;
    http.header;
    content:"soapaction|3a 20|"; nocase;
    http.request_body;
    content:!"SOAP-ENV:Body";
    content:"|3a|TextFormattingRunProperties";
    content:"sd|3a|ProcessStartInfo|20|Arguments|3d|";
    http.method;
    content:"POST";
    reference:url,www.assetnote.io/resources/research/continuing-the-citrix-saga-cve-2023-5914-cve-2023-6184;
    reference:cve,2023-6184;
    classtype:web-application-attack;
    sid:2065768; rev:1;
    metadata:affected_product Citrix, attack_target Server, tls_state TLSDecrypt, created_at 2025_11_14, cve CVE_2023_6184, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_14, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)