alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Cnzz.com/Baidu Related Spyware Stat Reporting"; flow:established,to_server; content:"/stat.php?id="; nocase; http_uri; content:"&web_id="; nocase; http_uri; content:"Host|3a|"; nocase; http_header; content:!"Referer|3a| "; nocase; http_header; reference:url,vil.nai.com/vil/content/v_140364.htm; classtype:trojan-activity; sid:2003607; rev:10; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)