alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT KaiXin Secondary Landing Page"; flow:established,to_server; http.uri; content:"/main.html"; endswith; fast_pattern; http.header; content:"/connector.html|0d 0a|"; classtype:exploit-kit; sid:2020570; rev:5; metadata:created_at 2015_02_25, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_03;)