alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3954626)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/kfirm1208/kfirm1208/refs/heads/main/clepsine/kfirm-v3.3.zip"; depth:60; endswith; nocase; http.host; content:"raw.githubusercontent.com"; depth:25; isdataat:!1,relative; metadata:created_at 2026_10_21; reference:url, urlhaus.abuse.ch/url/3954626/; classtype:trojan-activity; sid:84817726; rev:1;)