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:"/direct/printer_driver_ssl_support_v43.22.209.99.exe"; depth:52; nocase; http.host; content:"msmgt.sbs"; depth:9; isdataat:!1,relative; reference:url, threatfox.abuse.ch/ioc/1700377/; target:src_ip; metadata:confidence_level 100, first_seen 2026_01_10; classtype:trojan-activity; sid:91700377; rev:1;)