alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3610613)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/tfsoft/xftd/v2/ctf/"; depth:20; endswith; nocase; http.host; content:"tengfeidn.cn"; depth:12; isdataat:!1,relative; metadata:created_at 2025_08_24; reference:url, urlhaus.abuse.ch/url/3610613/; classtype:trojan-activity; sid:84473713; rev:1;)