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AOBSCAN Function at vb.net

VB

    Public Declare Function OpenProcess Lib "KERNEL32" _

        (ByVal DesiredAccess As Int32, _

         ByVal InheritHandle As Boolean, _

         ByVal ProcessId As Int32) _

        As Int32


    Private Declare Function ReadProcessMemory Lib "KERNEL32" _

    (ByVal Handle As Int32, _

     ByVal address As Int32, _

     ByRef Value As Int32, _

     Optional ByVal Size As Int32 = 4, _

     Optional ByVal lpNumberOfBytesWritten As Int64 = 0) _

    As Long


    Public PROCESS_VM_OPERATION As Int32 = 8

    Public PROCESS_VM_READ As Int32 = 16

    Public PROCESS_VM_WRITE As Int32 = 32


    Private process_id As Int32 = 0

    Public pHandle As Integer = 0


    Public Function GetProcessId(ByVal game_name As String) As Boolean

        Dim Processes() As Process = Process.GetProcesses

        Dim process_name As String

        Dim i As Byte

        For i = LBound(Processes) To UBound(Processes)

            process_name = Processes(i).ProcessName

            If process_name = game_name Then

                process_id = Processes(i).Id

                pHandle = OpenProcess(PROCESS_VM_OPERATION + PROCESS_VM_WRITE + PROCESS_VM_READ, False, process_id)

                Return True

            End If

        Next

        If process_id = 0 Then

            Return False

        End If

        Return False

    End Function


    Public Function ReadByte(ByVal address As Int32) As Integer

        Dim value As Integer

        ReadProcessMemory(pHandle, address, value, 1, 0)

        Return value

    End Function


    Public Function AOBSCAN(ByVal GameName As String, ByVal ModuleName As String, ByVal Signature As Byte()) As Integer

        Dim BaseAddress, EndAddress As Int32

        For Each PM As ProcessModule In Process.GetProcessesByName(GameName)(0).Modules

            If ModuleName = PM.ModuleName Then

                BaseAddress = PM.BaseAddress

                EndAddress = BaseAddress + PM.ModuleMemorySize

            End If

        Next

        Dim curAddr As Int32 = BaseAddress

        Do

            For i As Long = 0 To Signature.Length - 1

                If ReadByte(curAddr + i) = Signature(i) Then

                    If i = Signature.Length - 1 Then

                        Return curAddr

                    End If

                    Continue For

                End If

                Exit For

            Next

            curAddr += 1

        Loop While curAddr < EndAddress

        Return 0

    End Function

-----------


                Dim MyByteArray() As Byte = New Byte() {&H75, &H12}

                Dim pos As Integer = AOBSCAN("", "", MyByteArray)

                WriteMem(Proc.Handle, pos, New Byte() {&H74}, 1, 1)

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