alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Backdoor W32/Phanta Checkin"; flow:established,to_server; content:"/do.php?userid="; http_uri; content:"&time="; http_uri; content:"&msg="; http_uri; content:"&ver="; http_uri; content:"&os="; http_uri; content:"&fy="; http_uri; content:"&pauid="; http_uri; content:"&checkId="; http_uri; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=Trojan%3AWin32%2FPopureb.A; reference:md5,0012a0b60572dfa4f42a4325507841d8; classtype:trojan-activity; sid:2013343; rev:3; metadata:created_at 2011_08_02, signature_severity Unknown, updated_at 2019_07_26;)