alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3805839)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/libsystem.so"; depth:13; endswith; nocase; http.host; content:"78.153.140.16"; depth:13; isdataat:!1,relative; metadata:created_at 2026_03_26; reference:url, urlhaus.abuse.ch/url/3805839/; classtype:trojan-activity; sid:84668939; rev:1;)