The host is running Debian Squeeze Linux Rootkit with nginx and is prone to iframe injection.
Successful iframe injection leads redirecting to some malicious sites. Impact Level: System/Application
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
64-bit Debian Squeeze Linux Rootkit in combination with nginx launching iframe injection attacks.
64-bit Debian Squeeze (kernel version 2.6.32-5-amd64) with nginx.