Vb.Net Hack (S4League)

Public Class Form1

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        If UpdateProcessHandle() Then ' Check if the game is running
            ' Do stuff here, like writing/reading memory or telling a user in a Label the game is open.
            Dim LongValue As Long = ReadMemory(Of Single)(&H3BA8E07)
            ReadMemory(Of Long)(&H5367E4)
        End If

        If GodMode.Checked Then
            WriteMemory(Of Long)(&H5367E4, 2348565979)
        End If
        If CheckState.Unchecked Then
            WriteMemory(Of Long)(&H5367E4, 2348565977)
        End If
    End Sub

    Private Sub Label1_Click(sender As Object, e As EventArgs) Handles detectProcess.TextChanged
        detectProcess.ForeColor = Color.Red
        detectProcess.Text = "S4Client.exe  -" & UpdateProcessHandle()
        ' Changing The Color if the Process was Found
        If detectProcess.Text = "S4Client.exe  -" & UpdateProcessHandle() = True Then
            detectProcess.ForeColor = Color.Green
        End If
    End Sub

    Private Sub Label1_Click_1(sender As Object, e As EventArgs) Handles Label1.TextChanged
        Label1.Text = ReadMemory(Of Long)(&H5367E4)
    End Sub

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        If UpdateProcessHandle() Then
            RemoveProtection("S4Client", &H5367E4, 9223372036854775807)
            ReadMemory(Of Long)(&H5367E4)
            WriteMemory(Of Long)(&H5367E4, 2348565979)
        End If
    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
        RemoveProtection("S4Client", &H5367E4, 2348565979)
        ReadMemory(Of Long)(&H5367E4)
        WriteMemory(Of Long)(&H5367E4, 2348565979)
    End Sub
End Class

'Option Strict On

Imports System.Runtime.InteropServices
Imports System.Text

Module MemoryModule

    ' API
    <DllImport("kernel32.dll")> _
    Private Function OpenProcess(ByVal dwDesiredAccess As UInteger, <MarshalAs(UnmanagedType.Bool)> ByVal bInheritHandle As Boolean, ByVal dwProcessId As Integer) As IntPtr
    End Function

    <DllImport("kernel32.dll", SetLastError:=True)> _
    Private Function WriteProcessMemory(ByVal hProcess As IntPtr, ByVal lpBaseAddress As IntPtr, ByVal lpBuffer As Byte(), ByVal nSize As IntPtr, <Out()> ByRef lpNumberOfBytesWritten As IntPtr) As Boolean
    End Function

    <DllImport("kernel32.dll", SetLastError:=True)> _
    Private Function ReadProcessMemory(ByVal hProcess As IntPtr, ByVal lpBaseAddress As IntPtr, <Out()> ByVal lpBuffer() As Byte, ByVal dwSize As IntPtr, ByRef lpNumberOfBytesRead As IntPtr) As Boolean
    End Function

    <DllImport("kernel32.dll", SetLastError:=True)>
    Private Function CloseHandle(ByVal hObject As IntPtr) As <MarshalAs(UnmanagedType.Bool)> Boolean
    End Function

    Private Declare Function VirtualProtectEx Lib "kernel32.dll" (ByVal hProcess As IntPtr, ByVal lpAddress As IntPtr, ByVal lpSize As IntPtr, ByVal dwNewProtect As UInt32, ByRef dwOldProtect As UInt32) As Boolean
    Declare Function VirtualAllocEx Lib "kernel32.dll" (ByVal hProcess As IntPtr, ByVal lpAddress As IntPtr, ByVal dwSize As IntPtr, ByVal flAllocationType As Integer, ByVal flProtect As Integer) As IntPtr
   

    Private Const PROCESS_VM_WRITE As UInteger = &H20
    Private Const PROCESS_VM_READ As UInteger = &H10
    Private Const PROCESS_VM_OPERATION As UInteger = &H8
    Private TargetProcess As String = "S4Client"
    Private ProcessHandle As IntPtr = IntPtr.Zero
    Private LastKnownPID As Integer = -1


    ' Function Process Id Exists: pID as Integer
    Private Function ProcessIDExists(ByVal pID As Integer) As Boolean
        For Each p As Process In Process.GetProcessesByName(TargetProcess)
            If p.Id = pID Then Return True
        Next
        Return False
    End Function

    ' Function Set Process Name: ProcessName as String
    Public Sub SetProcessName(ByVal processName As String)
        TargetProcess = processName
        If ProcessHandle <> IntPtr.Zero Then CloseHandle(ProcessHandle)
        LastKnownPID = -1
        ProcessHandle = IntPtr.Zero
    End Sub

    ' Function Get Current Process Name, as String
    Public Function GetCurrentProcessName() As String
        Return TargetProcess
    End Function

    ' Function Update Process Handle, as Boolean
    Public Function UpdateProcessHandle() As Boolean
        If LastKnownPID = -1 OrElse Not ProcessIDExists(LastKnownPID) Then
            If ProcessHandle <> IntPtr.Zero Then CloseHandle(ProcessHandle)
            Dim p() As Process = Process.GetProcessesByName(TargetProcess)
            If p.Length = 0 Then Return False
            LastKnownPID = p(0).Id
            ProcessHandle = OpenProcess(PROCESS_VM_READ Or PROCESS_VM_WRITE Or PROCESS_VM_OPERATION, False, p(0).Id)
            If ProcessHandle = IntPtr.Zero Then Return False
        End If
        Return True
    End Function

    ' Function Read Memory: Address as Object
    Public Function ReadMemory(Of T)(ByVal address As Object) As T
        Return ReadMemory(Of T)(CLng(address))
    End Function

    ' Function Read Memory: Address as Integer
    Public Function ReadMemory(Of T)(ByVal address As Integer) As T
        Return ReadMemory(Of T)(New IntPtr(address), 0, False)
    End Function

    ' Function Read Memory: Address as Long
    Public Function ReadMemory(Of T)(ByVal address As Long) As T
        Return ReadMemory(Of T)(New IntPtr(address), 0, False)
    End Function

    ' Function Read Memory: Address as IntPtr
    Public Function ReadMemory(Of T)(ByVal address As IntPtr) As T
        Return ReadMemory(Of T)(address, 0, False)
    End Function

    ' Function Read Memory: Address as IntPtr, Length as Integer
    Public Function ReadMemory(ByVal address As IntPtr, ByVal length As Integer) As Byte()
        Return ReadMemory(Of Byte())(address, length, False)
    End Function

    ' Function Read Memory: Address as Integer, Length as Integer
    Public Function ReadMemory(ByVal address As Integer, ByVal length As Integer) As Byte()
        Return ReadMemory(Of Byte())(New IntPtr(address), length, False)
    End Function

    ' Function Read Memory: Address as Long, Length as Integer
    Public Function ReadMemory(ByVal address As Long, ByVal length As Integer) As Byte()
        Return ReadMemory(Of Byte())(New IntPtr(address), length, False)
    End Function

    ' Function Read Memory: Address as IntPtr, Length as Integer, UnicodeString as Boolean
    Public Function ReadMemory(Of T)(ByVal address As IntPtr, ByVal length As Integer, ByVal unicodeString As Boolean) As T
        Dim buffer() As Byte
        If GetType(T) Is GetType(String) Then
            If unicodeString Then buffer = New Byte(length * 2 - 1) {} Else buffer = New Byte(length - 1) {}
        ElseIf GetType(T) Is GetType(Byte()) Then
            buffer = New Byte(length - 1) {}
        Else
            buffer = New Byte(Marshal.SizeOf(GetType(T)) - 1) {}
        End If
        If Not UpdateProcessHandle() Then Return Nothing
        Dim success As Boolean = ReadProcessMemory(ProcessHandle, address, buffer, New IntPtr(buffer.Length), IntPtr.Zero)
        If Not success Then Return Nothing
        If GetType(T) Is GetType(Byte()) Then Return CType(CType(buffer, Object), T)
        If GetType(T) Is GetType(String) Then
            If unicodeString Then Return CType(CType(Encoding.Unicode.GetString(buffer), Object), T)
            Return CType(CType(Encoding.ASCII.GetString(buffer), Object), T)
        End If
        Dim gcHandle As GCHandle = gcHandle.Alloc(buffer, GCHandleType.Pinned)
        Dim returnObject As T = CType(Marshal.PtrToStructure(gcHandle.AddrOfPinnedObject, GetType(T)), T)
        gcHandle.Free()
        Return returnObject
    End Function

    ' Function Get Object Bytes
    Private Function GetObjectBytes(ByVal value As Object) As Byte()
        If value.GetType() Is GetType(Byte()) Then Return CType(value, Byte())
        Dim buffer(Marshal.SizeOf(value) - 1) As Byte
        Dim ptr As IntPtr = Marshal.AllocHGlobal(buffer.Length)
        Marshal.StructureToPtr(value, ptr, True)
        Marshal.Copy(ptr, buffer, 0, buffer.Length)
        Marshal.FreeHGlobal(ptr)
        Return buffer
    End Function

    ' Function Write Memory: Addres as Object, Value as T
    Public Function WriteMemory(Of T)(ByVal address As Object, ByVal value As T) As Boolean
        Return WriteMemory(CLng(address), value)
    End Function

    ' Function Write Memory: Address as Object, Value as Object
    Public Function WriteMemory(Of T)(ByVal address As Object, ByVal value As Object) As Boolean
        Return WriteMemory(CLng(address), CType(value, T))
    End Function

    ' Function Write Memory: Address as Integer, Value as T
    Public Function WriteMemory(Of T)(ByVal address As Integer, ByVal value As T) As Boolean
        Return WriteMemory(New IntPtr(address), value)
    End Function

    ' Function Write Memory: Address as Integer, Value as Object
    Public Function WriteMemory(Of T)(ByVal address As Integer, ByVal value As Object) As Boolean
        Return WriteMemory(address, CType(value, T))
    End Function

    ' Function Write Memory: Address as Long, Value as T
    Public Function WriteMemory(Of T)(ByVal address As Long, ByVal value As T) As Boolean
        Return WriteMemory(New IntPtr(address), value)
    End Function

    ' Function Write Memory: Address as Long, Value as Object
    Public Function WriteMemory(Of T)(ByVal address As Long, ByVal value As Object) As Boolean
        Return WriteMemory(address, CType(value, T))
    End Function

    ' Function Write Memory: Address as IntPtr, Value as T
    Public Function WriteMemory(Of T)(ByVal address As IntPtr, ByVal value As T) As Boolean
        Return WriteMemory(address, value, False)
    End Function

    ' Function Write Memory: Address as IntPtr, Value as Object
    Public Function WriteMemory(Of T)(ByVal address As IntPtr, ByVal value As Object) As Boolean
        Return WriteMemory(address, CType(value, T), False)
    End Function

    ' Function Write Memory: Address as Object, Value as T, Unicode as Boolean
    Public Function WriteMemory(Of T)(ByVal address As Object, ByVal value As T, ByVal unicode As Boolean) As Boolean
        Return WriteMemory(CLng(address), value, unicode)
    End Function

    ' Function Write Memory: Address as Integer, Value as T, Unicode as Boolean
    Public Function WriteMemory(Of T)(ByVal address As Integer, ByVal value As T, ByVal unicode As Boolean) As Boolean
        Return WriteMemory(New IntPtr(address), value, unicode)
    End Function

    ' Function Write Memory: Address as Long, Value as T, Unicode as Boolean
    Public Function WriteMemory(Of T)(ByVal address As Long, ByVal value As T, ByVal unicode As Boolean) As Boolean
        Return WriteMemory(New IntPtr(address), value, unicode)
    End Function

    ' Function Write Memory: Address as IntPtr, Value as T, Unicode as Boolean
    Public Function WriteMemory(Of T)(ByVal address As IntPtr, ByVal value As T, ByVal unicode As Boolean) As Boolean
        If Not UpdateProcessHandle() Then Return False
        Dim buffer() As Byte
        If TypeOf value Is String Then
            If unicode Then buffer = Encoding.Unicode.GetBytes(value.ToString()) Else buffer = Encoding.ASCII.GetBytes(value.ToString())
        Else
            buffer = GetObjectBytes(value)
        End If
        Dim result As Boolean = WriteProcessMemory(ProcessHandle, address, buffer, New IntPtr(buffer.Length), IntPtr.Zero)
        Return result
    End Function

    Private Function EXECUTE_READ() As Boolean
        Throw New NotImplementedException
    End Function

    Sub RemoveProtection(ByVal ProcessName As String, ByVal AddressOfStart As Integer, ByVal SizeToRemoveProtectionInBytes As Integer)
        For Each p As Process In Process.GetProcessesByName(ProcessName)
            Const PAGE_EXECUTE_READWRITE As Integer = &H40
            Dim oldProtect As Integer
            If Not VirtualProtectEx(p.Handle, New IntPtr(AddressOfStart), New IntPtr(SizeToRemoveProtectionInBytes), PAGE_EXECUTE_READWRITE, oldProtect) Then Throw New Exception
            p.Dispose()
        Next
    End Sub

    Sub RemoveProtection(ByVal ProcessName As String, ByVal AddressOfStart As Integer, ByVal SizeToRemoveProtectionInBytes As Long)
        For Each p As Process In Process.GetProcessesByName(ProcessName)
            Const PAGE_EXECUTE_READWRITE As Integer = &H40
            Dim oldProtect As Integer
            If Not VirtualProtectEx(p.Handle, New IntPtr(AddressOfStart), New IntPtr(SizeToRemoveProtectionInBytes), PAGE_EXECUTE_READWRITE, oldProtect) Then Throw New Exception
            p.Dispose()
        Next
    End Sub

    Sub AllocMem(ByVal ProcessName As String, ByVal AddressOfStart As Integer, ByVal SizeOfAllocationInBytes As Integer)
        For Each p As Process In Process.GetProcessesByName(ProcessName)
            Const MEM_COMMIT As Integer = &H1000
            Const PAGE_EXECUTE_READWRITE As Integer = &H40
            Dim pBlob As IntPtr = VirtualAllocEx(p.Handle, New IntPtr(AddressOfStart), New IntPtr(SizeOfAllocationInBytes), MEM_COMMIT, PAGE_EXECUTE_READWRITE)
            If pBlob = IntPtr.Zero Then Throw New Exception
            p.Dispose()
        Next
    End Sub

End Module