alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
msg:"ET EXPLOIT Possible SpringCore RCE/Spring4Shell Inbound (CVE-2022-22965)";
flow:to_server,established;
http.request_body;
content:"pipeline.first.pattern="; fast_pattern;
content:"pipeline.first.suffix=";
content:"pipeline.first.directory=";
content:"pipeline.first.prefix=";
classtype:attempted-admin;
sid:2035678; rev:2;
metadata:attack_target Server, created_at 2022_03_31, cve CVE_2022_22965, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2022_04_06, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)