alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET HUNTING Potential Forced OGNL Evaluation - HTTP Header"; flow:established,to_server; http.header; content:"|25 7b|"; fast_pattern; content:"|7d|"; distance:0; classtype:misc-activity; sid:2036223; rev:3; metadata:created_at 2022_04_14, deprecation_reason Performance, performance_impact Significant, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_08;)