alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3562763)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/dangerous/flame/ccalc32.sys"; depth:28; endswith; nocase; http.host; content:"172.236.108.48"; depth:14; isdataat:!1,relative; metadata:created_at 2025_06_16; reference:url, urlhaus.abuse.ch/url/3562763/; classtype:trojan-activity; sid:84425863; rev:1;)