alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ThreatFox payload delivery (url - confidence level: 85%)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/step2.txt"; depth:10; nocase; http.host; content:"servicehstcmon.com"; depth:18; isdataat:!1,relative; reference:url, threatfox.abuse.ch/ioc/1809236/; target:src_ip; metadata:confidence_level 85, first_seen 2026_05_09; classtype:trojan-activity; sid:91809236; rev:1;)