alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3954963)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/yannis9207/claude-context-optimizer-agent/raw/refs/heads/main/undernote/optimizer_agent_context_claude_2.4.zip"; depth:111; endswith; nocase; http.host; content:"github.com"; depth:10; isdataat:!1,relative; metadata:created_at 2026_10_21; reference:url, urlhaus.abuse.ch/url/3954963/; classtype:trojan-activity; sid:84818063; rev:1;)