alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3890623)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/avast_update"; depth:13; endswith; nocase; http.host; content:"brat-malllake.xyz"; depth:17; isdataat:!1,relative; metadata:created_at 2026_07_23; reference:url, urlhaus.abuse.ch/url/3890623/; classtype:trojan-activity; sid:84753723; rev:1;)