alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Vawtrak/NeverQuest - Post Data Form 01"; flow:to_server,established; http.method; content:"POST"; nocase; http.uri; content:"/post.aspx?"; fast_pattern; pcre:"/^\/post\.aspx\?[^&]+=[0-9]{9,10}$/"; http.header_names; content:!"Referer|0d 0a|"; classtype:trojan-activity; sid:2018425; rev:4; metadata:created_at 2014_04_28, signature_severity Major, updated_at 2020_09_24;)