alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3610602)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/api/upgrade/qcoin"; depth:18; endswith; nocase; http.host; content:"rdm.91yunma.cn"; depth:14; isdataat:!1,relative; metadata:created_at 2025_08_24; reference:url, urlhaus.abuse.ch/url/3610602/; classtype:trojan-activity; sid:84473702; rev:1;)