injector source visual basics

Imports System.Threading
Public Class Form1

    Private TargetProcessHandle As Integer
    Private pfnStartAddr As Integer
    Private pszLibFileRemote As String
    Private TargetBufferSize As Integer

    Public Const PROCESS_VM_READ = &H10
    Public Const TH32CS_SNAPPROCESS = &H2
    Public Const MEM_COMMIT = 4096
    Public Const PAGE_READWRITE = 4
    Public Const PROCESS_CREATE_THREAD = (&H2)
    Public Const PROCESS_VM_OPERATION = (&H8)
    Public Const PROCESS_VM_WRITE = (&H20)
    Dim DLLFileName As String
    Public Declare Function ReadProcessMemory Lib "kernel32" ( _
    ByVal hProcess As Integer, _
    ByVal lpBaseAddress As Integer, _
    ByVal lpBuffer As String, _
    ByVal nSize As Integer, _
    ByRef lpNumberOfBytesWritten As Integer) As Integer

    Public Declare Function LoadLibrary Lib "kernel32" Alias "LoadLibraryA" ( _
    ByVal lpLibFileName As String) As Integer

    Public 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

    Public Declare Function WriteProcessMemory Lib "kernel32" ( _
    ByVal hProcess As Integer, _
    ByVal lpBaseAddress As Integer, _
    ByVal lpBuffer As String, _
    ByVal nSize As Integer, _
    ByRef lpNumberOfBytesWritten As Integer) As Integer

    Public 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

    Public 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, _
    ByRef lpThreadId As Integer) As Integer

    Public Declare Function OpenProcess Lib "kernel32" ( _
    ByVal dwDesiredAccess As Integer, _
    ByVal bInheritHandle As Integer, _
    ByVal dwProcessId As Integer) As Integer

    Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" ( _
    ByVal lpClassName As String, _
    ByVal lpWindowName As String) As Integer

    Private Declare Function CloseHandle Lib "kernel32" Alias "CloseHandleA" ( _
    ByVal hObject As Integer) As Integer


    Dim ExeName As String = IO.Path.GetFileNameWithoutExtension(Application.ExecutablePath)

    Private Sub Inject()
        On Error GoTo 1
        Timer1.Stop()
        Dim TargetProcess As Process() = Process.GetProcessesByName(TextBox1.Text)
        TargetProcessHandle = OpenProcess(PROCESS_CREATE_THREAD Or PROCESS_VM_OPERATION Or PROCESS_VM_WRITE, False, TargetProcess(0).Id)
        pszLibFileRemote = OpenFileDialog1.FileName
        pfnStartAddr = GetProcAddress(GetModuleHandle("Kernel32"), "LoadLibraryA")
        TargetBufferSize = 1 + Len(pszLibFileRemote)
        Dim Rtn As Integer
        Dim LoadLibParamAdr As Integer
        LoadLibParamAdr = VirtualAllocEx(TargetProcessHandle, 0, TargetBufferSize, MEM_COMMIT, PAGE_READWRITE)
        Rtn = WriteProcessMemory(TargetProcessHandle, LoadLibParamAdr, pszLibFileRemote, TargetBufferSize, 0)
        CreateRemoteThread(TargetProcessHandle, 0, 0, pfnStartAddr, LoadLibParamAdr, 0, 0)
        CloseHandle(TargetProcessHandle)
1:      Me.Show()
        MsgBox("Injection Sucessful!!!", MsgBoxStyle.OkOnly)
    End Sub
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Button1.Text = "Select Hack"
        Label1.Text = "Awaiting Input"
        Timer1.Interval = 50
        Timer1.Start()
        Timer1.Enabled = True
    End Sub

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        Dim TargetProcess As Process() = Process.GetProcessesByName(TextBox1.Text)
        If IO.File.Exists(OpenFileDialog1.FileName) And (TargetProcess.Length = 0) Then
            Label1.ForeColor = Color.YellowGreen
            Me.Label1.Text = ("Searching for " + TextBox1.Text)
            ProgressBar1.Visible = True
            ProgressBar1.Enabled = True
        Else
            If IO.File.Exists(OpenFileDialog1.FileName) And (TargetProcess.Length) < 0 Then
                Label1.ForeColor = Color.Lime
                Me.Label1.Text = (TextBox1.Text + " Successfully Injected!")
                ProgressBar1.Visible = False
                ProgressBar1.Enabled = False
                Call Inject()
                Thread.Sleep(50)
                Timer1.Stop()
                exitme()
            End If
        End If
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        OpenFileDialog1.Filter = "Dll Files (*.dll) |*.dll|All files (*.*) |*.*"
        If Me.OpenFileDialog1.ShowDialog <> Windows.Forms.DialogResult.OK Then Exit Sub
        Dim FileName As String
        FileName = OpenFileDialog1.FileName.Substring(OpenFileDialog1.FileName.LastIndexOf("\"))
        Dim DllFileName As String = FileName.Replace("\", "")
        If TextBox2.Text <= "" Then
            Me.TextBox2.Text = (DllFileName)
        ElseIf TextBox2.Text > "" Then
            Me.TextBox3.Text = (DllFileName)
        End If
    End Sub

    Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
        Label1.ForeColor = Color.Red
        If ComboBox1.SelectedItem = "Vindictus" Then
            TextBox1.Text = "Vindictus"
            Label1.Text = "Select your hack to inject"
        Else
            If ComboBox1.SelectedItem = "Combat Arms" Then
                TextBox1.Text = "Engine"
                Label1.Text = "Select your hack to inject"
            ElseIf ComboBox1.SelectedItem = "Modern Warfare 2" Then
                Label1.Text = "Select your hack to inject"
            End If
        End If
    End Sub

    Public Sub startgame()
        If ComboBox1.SelectedItem = "Vindictus" Then
            Shell("C:\Nexon\Vindictus\en-US\Vindictus.exe")
        ElseIf ComboBox1.SelectedItem = "Combat Arms" Then
            Shell("C:\Nexon\Combat Arms\CombatArms_Direct.exe")
        ElseIf ComboBox1.SelectedItem = "Modern Warfare 2" Then
            Shell("C:\Program Files\Activision\Modern Warfare 2\iw4sp.exe")
        End If
    End Sub
    Public Sub exitme()

        Dim TargetProcess As Process() = Process.GetProcessesByName(TextBox1.Text)
        If TargetProcess.Length > 0 Then
            Label1.Text = "Exiting"
            Thread.Sleep(50)
            Close()
        End If
    End Sub

    Private Sub Label2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label2.Click
        Label1.Text = "Exiting"
        Thread.Sleep(50)
        Close()
    End Sub

    Private Sub Label3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label3.Click
        Form3.Show()
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
       
        If IO.File.Exists(OpenFileDialog1.FileName) Then
            Dim TargetProcess As Process() = Process.GetProcessesByName(TextBox1.Text)
            If TargetProcess.Length = 0 Then
                Label1.ForeColor = Color.Lime
                Me.Label1.Text = (TextBox1.Text + " Injection started!!!")
                ProgressBar1.Visible = False
                ProgressBar1.Enabled = False
                startgame()
                Inject()
                Thread.Sleep(50)

                exitme()
            Else
                Label1.ForeColor = Color.Red
                Label1.Text = "Failed to launch, retrying"
                Thread.Sleep(50)
                startgame()
                Call Inject()

            End If
        End If
    End Sub
End Class