Rule History

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;)