alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT KaiXin Secondary Landing Jun 09 2015"; flow:established,to_server; http.uri; content:"/main.html"; nocase; fast_pattern; http.header; content:"/index.html"; nocase; http.cookie; content:"cck_lasttime"; nocase; classtype:exploit-kit; sid:2021219; rev:6; metadata:created_at 2015_06_09, signature_severity Major, updated_at 2024_03_03;)