alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3821821)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/lucifer.elf"; depth:12; endswith; nocase; http.host; content:"101.43.204.194"; depth:14; isdataat:!1,relative; metadata:created_at 2026_04_14; reference:url, urlhaus.abuse.ch/url/3821821/; classtype:trojan-activity; sid:84684921; rev:1;)