alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ThreatFox payload delivery (url - confidence level: 75%)"; flow:established,from_client; http.method; content:"GET"; http.uri; content:"/bins/systemx64.spc"; depth:19; nocase; http.host; content:"82.221.139.173"; depth:14; isdataat:!1,relative; reference:url, threatfox.abuse.ch/ioc/1732495/; target:src_ip; metadata:confidence_level 75, first_seen 2026_01_16; classtype:trojan-activity; sid:91732495; rev:1;)