SolvedInjector

Public Class Form1
   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.")
        Dim hProcess As Integer = OpenProcess(&H1F0FFF, 1, pID)
        If hProcess = 0 Then Return False
        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
        Dim kernelMod As Integer = GetModuleHandle("kernel32.dll")
        Dim loadLibAddr = GetProcAddress(kernelMod, "LoadLibraryA")
        If kernelMod = 0 OrElse loadLibAddr = 0 Then Return False
        WriteProcessMemory(hProcess, allocAddress, dllBytes, dllBytes.Length, 0)
        Dim libThread As Integer = CreateRemoteThread(hProcess, 0, 0, loadLibAddr, allocAddress, 0, 0)
        If libThread = 0 Then
            Return False
        Else
            WaitForSingleObject(libThread, 5000)
            CloseHandle(libThread)
        End If
        CloseHandle(hProcess)
        Me.Close()
        Return True
    End Function

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim dlls As New Dictionary(Of String, String)
        Dim Datei As Object = My.Resources.DLLNAME
        dlls.Add("anything", Datei)

        Dim TargetProcess As Process() = Process.GetProcessesByName("crossfire")
        If TargetProcess.Length = 0 Then

        Else
            Dim ProcID As Integer = Process.GetProcessesByName("crossfire")(0).Id
            For Each inj As KeyValuePair(Of String, String) In dlls
                Inject(ProcID, inj.Value)
            Next
        End If
    End Sub
End Class