(cmd) python process\iat_hook.py
Asking for <MY_SECRET_KEY>
<in hook> Hook called | hKey = 0x12d687 | lpSubKey = <MY_SECRET_KEY>
<in hook> Secret key asked, returning magic handle 0x12345678
Result = 0x12345678

Asking for <MY_FAIL_KEY>
<in hook> Hook called | hKey = 0x12d687 | lpSubKey = <MY_FAIL_KEY>
<in hook> Asked for a failing key: returning 0x2a
WindowsError(42, 'Windows Error 0x2A')

Asking for <HKEY_CURRENT_USER/Software>
<in hook> Hook called | hKey = 0x80000001L | lpSubKey = <Software>
<in hook> Non-secret key : calling normal function
Result = 0x428