alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING GET Request to Minecraft Java Edition Port with Custom X-Header"; flow:established,to_server; http.method; content:"GET"; http.header; content:"X-Meta-Bitcode-Magic|3a 20|"; fast_pattern; http.host.raw; content:"|3a|25565"; endswith; classtype:bad-unknown; sid:2071782; rev:1; metadata:affected_product Windows_11, affected_product Windows_8, affected_product Windows_10, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_08_24, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Minor, tag Java, tag Minecraft, updated_at 2026_08_24, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)