alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3852620)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/977d4603-4081-4280-8ea6-62ecfcc84f05"; depth:37; endswith; nocase; http.host; content:"nqvfew.flybuilt.eu"; depth:18; isdataat:!1,relative; metadata:created_at 2026_05_24; reference:url, urlhaus.abuse.ch/url/3852620/; classtype:trojan-activity; sid:84715720; rev:1;)