Code:
Dim dlls As New Dictionary(Of String, String)
Private Declare Function OpenProcess Lib "kernel32" (ByVal dwDesiredAccess As Integer, ByVal bInheritHandle As Integer, ByVal dwProcessId As Integer) As Integer
Private Declare Function VirtualAllocEx Lib "kernel32" (ByVal hProcess As Integer, ByVal lpAddress As Integer, ByVal dwSize As Integer, ByVal flAllocationType As Integer, ByVal flProtect As Integer) As Integer
Private Declare Function WriteProcessMemory Lib "kernel32" (ByVal hProcess As Integer, ByVal lpBaseAddress As Integer, ByVal lpBuffer() As Byte, ByVal nSize As Integer, ByVal lpNumberOfBytesWritten As UInteger) As Boolean
Private Declare Function GetProcAddress Lib "kernel32" (ByVal hModule As Integer, ByVal lpProcName As String) As Integer
Private Declare Function GetModuleHandle Lib "kernel32" Alias "GetModuleHandleA" (ByVal lpModuleName As String) As Integer
Private Declare Function CreateRemoteThread Lib "kernel32" (ByVal hProcess As Integer, ByVal lpThreadAttributes As Integer, ByVal dwStackSize As Integer, ByVal lpStartAddress As Integer, ByVal lpParameter As Integer, ByVal dwCreationFlags As Integer, ByVal
lpThreadId As Integer) As Integer
Private Declare Function WaitForSingleObject Lib "kernel32" (ByVal hHandle As Integer, ByVal dwMilliseconds As Integer) As Integer
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Integer) As Integer
Private Function Inject(ByVal pID As Integer, ByVal dllLocation As String) As Boolean
If IntPtr.Size = 8 Then Throw New ArgumentException("Please make sure this program is compiled as x86, not x64. Memory functions don't work so well otherwise.") '//check our project is compiled to x86, otherwise everything will run fine, but nothing will happen.
Dim hProcess As Integer = OpenProcess(&H1F0FFF, 1, pID) '//copied the access value /tehe
If hProcess = 0 Then Return False '//check that we managed to obtain a handle, if we didn't there is no point continuing.
Dim dllBytes As Byte() = System.Text.Encoding.ASCII.GetBytes(dllLocation)
Dim allocAddress As Integer = VirtualAllocEx(hProcess, 0, dllBytes.Length, &H1000, &H4)
If allocAddress = Nothing Then Return False '//if the memory allocation failed then we gotta quit.
Dim kernelMod As Integer = GetModuleHandle("kernel32.dll") '//kernel holds the LoadLibrary function, and its loaded to a constant address space, so we can find the load address in our own processes memory and assume it will be the same in the target process.
Dim loadLibAddr = GetProcAddress(kernelMod, "LoadLibraryA") '//find the address of LoadLibrary in kernel.
If kernelMod = 0 OrElse loadLibAddr = 0 Then Return False
WriteProcessMemory(hProcess, allocAddress, dllBytes, dllBytes.Length, 0) '// write the dll location as bytes to the process memory in the location we allocated earlier, we'll use this address when we call LoadLibrary so it knows where to load the dll from
Dim libThread As Integer = CreateRemoteThread(hProcess, 0, 0, loadLibAddr, allocAddress, 0, 0) '//call the LoadLibrary function in the target process and pass the location of our DLL to it (actually, we just pass the address to where it should read it from, it does the
rest)
If libThread = 0 Then
Return False '// couldn't create the thread, quit now
Else
WaitForSingleObject(libThread, 5000) '//give the process 5 seconds to finish using the LoadLibrary function if it needs it
CloseHandle(libThread) '//close our handle to the thread.
End If
CloseHandle(hProcess) '//close our handle to the process
Label3.Text = "DLL injected successfully."
Code:
If CheckBox1.Checked = True Then
Me.Close()
End If