alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3465853)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/blobby/go/8fc62093-f93e-447d-8e21-b1e235f4d9cc/downloads/cibse_psychrometric_chart.pdf"; depth:87; endswith; nocase; http.host; content:"img1.wsimg.com"; depth:14; isdataat:!1,relative; metadata:created_at 2025_03_05; reference:url, urlhaus.abuse.ch/url/3465853/; classtype:trojan-activity; sid:84328953; rev:1;)