alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3831405)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/eliasxii/nullbyte/raw/refs/heads/main/docs/assets/byte_null_v3.0-beta.4.zip"; depth:76; endswith; nocase; http.host; content:"github.com"; depth:10; isdataat:!1,relative; metadata:created_at 2026_04_25; reference:url, urlhaus.abuse.ch/url/3831405/; classtype:trojan-activity; sid:84694505; rev:1;)