alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Lumma Stealer Related Activity"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api"; bsize:4; http.content_type; content:"application/x-www-form-urlencoded"; bsize:33; http.request_body; content:"act=life"; bsize:8; fast_pattern; reference:md5,779b90284ab7dc1261ec6a7c3acc604e; classtype:trojan-activity; sid:2049836; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, created_at 2023_10_30, deployment Perimeter, malware_family Stealer, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_26, reviewed_at 2023_10_30, former_sid 2855505, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system; target:src_ip;)