alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Vawtrak/NeverQuest Posting Data"; flow:established,to_server; flowbits:set,ET.Vawtrak; http.method; content:"POST"; http.uri; content:"/0"; startswith; content:"/0000"; distance:2; pcre:"/^\/0[0-2]\/[^\x2f]+\/0000[A-F0-9]{4}\/[^\x2f]+\/[A-F0-9]{8}$/i"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; classtype:trojan-activity; sid:2025088; rev:5; metadata:created_at 2015_01_09, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_30;)