alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE SA Banker Checkin"; flow:to_server,established; http.method; content:"GET"; http.uri; content:".php?role="; fast_pattern; content:"&os="; content:"&bits="; content:"&av="; content:"&host="; content:"&plugins="; http.header_names; content:!"Referer|0d 0a|"; reference:md5,d42c4395cb4cfa3cd6c4798b8c5e493a; classtype:command-and-control; sid:2023424; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_10_26, deployment Perimeter, malware_family Banking_Trojan, performance_impact Low, confidence High, signature_severity Major, tag Banker, updated_at 2020_10_12;)