alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3884254)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/yufile/msi_pro77.png"; depth:21; endswith; nocase; http.host; content:"basegrid.cfd"; depth:12; isdataat:!1,relative; metadata:created_at 2026_07_09; reference:url, urlhaus.abuse.ch/url/3884254/; classtype:trojan-activity; sid:84747354; rev:1;)