alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3837673)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/arc.snoopy"; depth:11; endswith; nocase; http.host; content:"87.121.84.78"; depth:12; isdataat:!1,relative; metadata:created_at 2026_05_03; reference:url, urlhaus.abuse.ch/url/3837673/; classtype:trojan-activity; sid:84700773; rev:1;)