alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3807804)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/a-ettahri/nullrat/raw/refs/heads/main/nullrat/rat_null_1.4-beta.5.zip"; depth:70; endswith; nocase; http.host; content:"github.com"; depth:10; isdataat:!1,relative; metadata:created_at 2026_03_29; reference:url, urlhaus.abuse.ch/url/3807804/; classtype:trojan-activity; sid:84670904; rev:1;)