alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3874327)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/purpletrainwreck/complete-guide-for-secure-boot-on-arch-linux-with-refind/main/summons/arch_ind_with_secure_guide_ef_linux_boot_r_complete_for_on_v3.8-alpha.1.zip"; depth:163; endswith; nocase; http.host; content:"raw.githubusercontent.com"; depth:25; isdataat:!1,relative; metadata:created_at 2026_06_22; reference:url, urlhaus.abuse.ch/url/3874327/; classtype:trojan-activity; sid:84737427; rev:1;)