alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"URLhaus Known malware download URL detected (3873978)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/aiseog3121/unity-ai-bridge/main/packages/com.aibridge.unity/runtime/serialization/converters/json/types/bridge_unity_ai_v3.4.zip"; depth:129; 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/3873978/; classtype:trojan-activity; sid:84737078; rev:1;)