alert http any any -> any any (msg:"TGI HUNT Content-Type jpeg Serving Zip"; flow:established,from_server; content:"200"; http_stat_code; content:"Content-Type|3a 20|image/jpeg"; http_header; file_data; content:"PK"; depth:2; threshold:type limit, track by_src, seconds 60, count 1; classtype:bad-unknown; sid:2610386; rev:1;)