alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3891421)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/variants/variant_03.apk"; depth:24; endswith; nocase; http.host; content:"semprecardsecure.com"; depth:20; isdataat:!1,relative; metadata:created_at 2026_07_25; reference:url, urlhaus.abuse.ch/url/3891421/; classtype:trojan-activity; sid:84754521; rev:1;)