alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3878458)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/bin/support.client.exe"; depth:23; endswith; nocase; http.host; content:"77.83.39.66"; depth:11; isdataat:!1,relative; metadata:created_at 2026_06_30; reference:url, urlhaus.abuse.ch/url/3878458/; classtype:trojan-activity; sid:84741558; rev:1;)