alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ThreatFox botnet C2 traffic (url - confidence level: 100%)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/c29db42cd4cdbbd4077/favicon.png"; depth:32; nocase; http.host; content:"179.43.162.23"; depth:13; isdataat:!1,relative; reference:url, threatfox.abuse.ch/ioc/1784843/; target:src_ip; metadata:confidence_level 100, first_seen 2026_04_12; classtype:trojan-activity; sid:91784843; rev:1;)