alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3843925)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/vulcan_amd64"; depth:13; endswith; nocase; http.host; content:"176.65.139.68"; depth:13; isdataat:!1,relative; metadata:created_at 2026_05_10; reference:url, urlhaus.abuse.ch/url/3843925/; classtype:trojan-activity; sid:84707025; rev:1;)