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:"/helpu.php"; depth:10; nocase; http.host; content:"dltucra.com"; depth:11; isdataat:!1,relative; reference:url, threatfox.abuse.ch/ioc/1752421/; target:src_ip; metadata:confidence_level 100, first_seen 2026_02_22; classtype:trojan-activity; sid:91752421; rev:1;)