alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ThreatFox payload delivery (url - confidence level: 95%)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/b2f628/b.sh"; depth:12; nocase; http.host; content:"s.na-cs.com"; depth:11; isdataat:!1,relative; reference:url, threatfox.abuse.ch/ioc/1849748/; target:src_ip; metadata:confidence_level 95, first_seen 2026_07_13; classtype:trojan-activity; sid:91849748; rev:1;)