alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3874717)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/stubmy.ps1"; depth:11; endswith; nocase; http.host; content:"mail.avicennaalliedhealthinstitute.org"; depth:38; isdataat:!1,relative; metadata:created_at 2026_06_23; reference:url, urlhaus.abuse.ch/url/3874717/; classtype:trojan-activity; sid:84737817; rev:1;)