alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3897617)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/f9f"; depth:4; endswith; nocase; http.host; content:"129.121.110.105"; depth:15; isdataat:!1,relative; metadata:created_at 2026_08_06; reference:url, urlhaus.abuse.ch/url/3897617/; classtype:trojan-activity; sid:84760717; rev:1;)