ms08_067_netapi.rb最近不断升级，
最新版本已经不能简单地加入到C:\Documents and Settings\Administrator\Application Data\msf3\modules\exploits\smb
你需要升级到3.2版本才能使用。
windows版本升级方法如下：
Metasploit Framework on Windows: Switching to the SVN Tree ¶
1. From the Start menu, open Programs, Metasploit 3, CMD Shell
2. Enter "cd %LOCALAPPDATA%
3. If this fails, enter "cd %APPDATA%"
4. Enter "move msf3 msf3.old"
5. Enter "svn co https://metasploit.com/svn/framework3/trunk/ msf3"
6. Wait for this update to complete
7. The MSFGUI and MSFWEB links now use the SVN tree
