alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3889420)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/ai/ambro-4.0fix-phamupload.txt"; depth:31; endswith; nocase; http.host; content:"216.9.224.48"; depth:12; isdataat:!1,relative; metadata:created_at 2026_07_21; reference:url, urlhaus.abuse.ch/url/3889420/; classtype:trojan-activity; sid:84752520; rev:1;)