NtOpenProcess Hook (ASM + VB.NET)

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C++

VB

.NET

ASM

So I hook NtOpenProcess from VB.NET with this instruction:

MOV EAX, C0000022
RETN 8

Injected with WriteProcessMemory written in hex:

Dim HookCode() As Byte = {&HB8, &H22, &H0, &H0, &HC0, &HC2, &H8, &H0}

But that will make NtOpenProcess return access denied when trying to get a handle on ANY process, I want it to only return access denied when parsing my own ProcessID ?

What HookCode do I need?