alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ThreatFox payload delivery (url - confidence level: 80%)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/io"; depth:3; nocase; http.host; content:"truebasecore.com"; depth:16; isdataat:!1,relative; reference:url, threatfox.abuse.ch/ioc/1801158/; target:src_ip; metadata:confidence_level 80, first_seen 2026_04_28; classtype:trojan-activity; sid:91801158; rev:1;)