alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Quant Loader Download Request"; flow:to_server,established; threshold:type limit, track by_src, count 1, seconds 30; http.method; content:"GET"; http.uri; content:"/index.php?id="; fast_pattern; content:"&c="; distance:0; nocase; content:"&mk="; distance:0; nocase; http.header_names; content:!"Referer"; content:!"Cookie|0d 0a|"; reference:md5,7554244ea84457f53ab9d4989c4d363d; classtype:trojan-activity; sid:2023203; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_09_12, deployment Perimeter, malware_family Locky, malware_family Pony9, signature_severity Major, updated_at 2020_11_05;)