alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Tor Based Locker Page (Torrentlocker)"; flow:established,to_server; http.uri; content:"/buy.php?"; fast_pattern; http.host; pcre:"/^[a-z0-9]{16}\.[^\r\n]*?(?:tor|onion)/"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; classtype:trojan-activity; sid:2018951; rev:8; metadata:created_at 2014_08_18, signature_severity Major, updated_at 2024_04_29;)