alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ThreatFox payload delivery (url - confidence level: 90%)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/follow/index.html"; depth:18; nocase; http.host; content:"cdn-us-cloudflare-services.t3.storage.dev"; depth:41; isdataat:!1,relative; reference:url, threatfox.abuse.ch/ioc/1761963/; target:src_ip; metadata:confidence_level 90, first_seen 2026_03_09; classtype:trojan-activity; sid:91761963; rev:1;)