alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3874997)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/bin/support.client.exe"; depth:23; endswith; nocase; http.host; content:"172.86.126.21"; depth:13; isdataat:!1,relative; metadata:created_at 2026_06_23; reference:url, urlhaus.abuse.ch/url/3874997/; classtype:trojan-activity; sid:84738097; rev:1;)