alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"🐾 - 🚨 Lumma Stealer 👿 HTTP reply 🪟 from C2 Server - 📢 Established connection"; flow:to_client, stateless; flowbits:isset,pptrls.lumma-stealer; http.stat_code; content:"200"; http.protocol; content:"HTTP/1.1"; http.response_body; content:"success"; content:"data"; pcre:"/success [0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}/"; reference:url,https://malpedia.caad.fkie.fraunhofer.de/details/win.lumma; target:dest_ip; metadata:attack_target Client_and_Server, signature_severity Major, affected_product Windows_XP_Vista_7_8_10_11_Server_32_64_Bit, mitre_tactic_id TA0011, mitre_tactic_name Command_and_Control, mitre_technique_id T1071.001, mitre_technique_name Application_Layer_Protocol_Web_Protocols, former_category MALWARE, malware_family Lumma_Stealer, created_at 2026_03_21, updated_at 2026_03_21; sid:3321482; rev:1; classtype:trojan-activity;)