alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3851291)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/37fb1fdf-f5cf-4c53-b784-230a9d811734/zone.id"; depth:45; endswith; nocase; http.host; content:"forcrash-classnet.christmas"; depth:27; isdataat:!1,relative; metadata:created_at 2026_05_21; reference:url, urlhaus.abuse.ch/url/3851291/; classtype:trojan-activity; sid:84714391; rev:1;)