alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3889307)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/|3f|ublib=4a87ce31-5627-4984-b3f3-213004f88224"; depth:47; endswith; nocase; http.host; content:"dwvygj31.dermatologycongress.org"; depth:32; isdataat:!1,relative; metadata:created_at 2026_07_20; reference:url, urlhaus.abuse.ch/url/3889307/; classtype:trojan-activity; sid:84752407; rev:1;)