alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3954641)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/yamaday88/gallery-of-lattice-boltzmann-code/refs/heads/master/unmathematical/gallery_boltzmann_lattice_code_of_v2.8.zip"; depth:120; 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/3954641/; classtype:trojan-activity; sid:84817741; rev:1;)