alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT SpringShell/Spring4Shell RCE Attempt (CVE-2022-22965)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".jsp?pwd=j&cmd=id"; endswith; fast_pattern; http.request_body; content:"class.module.classLoader.resources.context.parent.pipeline"; reference:url,unit42.paloaltonetworks.com/cve-2022-22965-springshell/; reference:cve,2022-22965; classtype:attempted-admin; sid:2049150; rev:1; metadata:affected_product Spring_Framework, attack_target Client_Endpoint, created_at 2023_11_10, cve CVE_2022_22965, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag CVE_2022_22965, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_10;)