alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3891768)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/tmp/system.txt"; depth:15; endswith; nocase; http.host; content:"msfconfig.icu"; depth:13; isdataat:!1,relative; metadata:created_at 2026_07_26; reference:url, urlhaus.abuse.ch/url/3891768/; classtype:trojan-activity; sid:84754868; rev:1;)