alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3888168)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/c3c0cbce-a3e6-4612-bbf5-63accda14d8c/tk.dll"; depth:44; endswith; nocase; http.host; content:"datastream-hub.christmas"; depth:24; isdataat:!1,relative; metadata:created_at 2026_07_18; reference:url, urlhaus.abuse.ch/url/3888168/; classtype:trojan-activity; sid:84751268; rev:1;)