alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3839713)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/bots/kaf.arm5"; depth:14; endswith; nocase; http.host; content:"185.242.3.121"; depth:13; isdataat:!1,relative; metadata:created_at 2026_05_05; reference:url, urlhaus.abuse.ch/url/3839713/; classtype:trojan-activity; sid:84702813; rev:1;)