alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ThreatFox botnet C2 traffic (url - confidence level: 75%)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/flop/beez/fre.php"; depth:18; nocase; http.host; content:"htcgroups.ga"; depth:12; isdataat:!1,relative; reference:url, threatfox.abuse.ch/ioc/1742010/; target:src_ip; metadata:confidence_level 75, first_seen 2026_02_05; classtype:trojan-activity; sid:91742010; rev:1;)