alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3871901)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/signed-discipline161/opensheet-core/main/python/opensheet_core/core_opensheet_3.7.zip"; depth:86; 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/3871901/; classtype:trojan-activity; sid:84735001; rev:1;)