alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ThreatFox payload delivery (url - confidence level: 100%)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/ext.c3c0a381391c.js"; depth:20; nocase; http.host; content:"flowchartix.icu"; depth:15; isdataat:!1,relative; reference:url, threatfox.abuse.ch/ioc/1763359/; target:src_ip; metadata:confidence_level 100, first_seen 2026_03_11; classtype:trojan-activity; sid:91763359; rev:1;)