alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Vawtrak/NeverQuest Posting Data"; flow:established,to_server; flowbits:set,ET.Vawtrak; http.method; content:"POST"; http.uri; content:"/0"; content:"/0000"; distance:1; fast_pattern; pcre:"/\/0[0-2](?:\/[^\/]*?)?\/0000[a-fA-F0-9]{4}(?:\/[^\/]*?)?\/[a-fA-F0-9]{8}(?:\?\w+=[a-fA-F0-9]+)?$/"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; http.user_agent; content:"Windows NT"; classtype:trojan-activity; sid:2019457; rev:15; metadata:created_at 2014_10_17, performance_impact Moderate, signature_severity Major, updated_at 2024_04_20;)