alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3794079)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/static/setup/autocad_v1.4.exe"; depth:30; endswith; nocase; http.host; content:"cad.659t.cn"; depth:11; isdataat:!1,relative; metadata:created_at 2026_03_11; reference:url, urlhaus.abuse.ch/url/3794079/; classtype:trojan-activity; sid:84657179; rev:1;)