更改作为映像安装的Windows系统的主机名/ IP地址

I'm looking for a way to change the hostname and IP address of a Windows XP system that is mounted via a loop-back image on a Linux system. So basically I have access to the Windows XP system on a file level, but I cannot execute any programs on it. A way similar to editing the /etc/hostname and whatever network configuration file under Linux.I'm looking for a way to change the hostname an