alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Curso Banker.BR Checkin"; flow:established,to_server; http.uri; content:".asp?m="; fast_pattern; content:"&v="; pcre:"/\.asp\?m=(?:INS|UAC)(?:&p=&a=)?&i=201\d{11}&/i"; http.header_names; content:!"Referer|0d 0a|"; reference:url,blog.trendmicro.com/trendlabs-security-intelligence/banker-trojan-sports-new-technique-to-take-advantage-of-2016-olympics/; reference:md5,bd389eb9cf03e55013eaf07970288f08; classtype:command-and-control; sid:2023081; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_08_19, deployment Perimeter, malware_family Banking_Trojan, performance_impact Low, signature_severity Major, updated_at 2020_10_06;)