alert http any any -> any any (msg:"REMOTE [PTsecurity] PupyRAT HTTP"; flow:established, to_server; content:"/index.php?d=poll&_="; http_uri; isdataat:!20, relative; content:"GET"; http_method; content:"Connection: keep-alive"; http_header; reference:url, https://github.com/n1nj4sec/pupy; reference:url, rules.ptsecurity.com; classtype:trojan-activity; sid:10006389; rev:2;)