alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Possible Spring Cloud Connector RCE Inbound (CVE-2022-22963)"; flow:established,to_server; http.header; content:"spring.cloud.function.routing-expression|3a|"; fast_pattern; reference:cve,2022-22963; classtype:attempted-admin; sid:2035670; rev:2; metadata:attack_target Server, created_at 2022_03_31, cve CVE_2022_22963, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2024_03_08, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)