alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3887613)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/.well-known/pki-validation/bin.exe"; depth:35; endswith; nocase; http.host; content:"galdum.ro"; depth:9; isdataat:!1,relative; metadata:created_at 2026_07_17; reference:url, urlhaus.abuse.ch/url/3887613/; classtype:trojan-activity; sid:84750713; rev:1;)