xCal Injector v1.5

Imports System.Diagnostics
Public Class Form1
    Private TargetProcessHandle As Integer
    Private pfnStartAddr As Integer
    Private pszLibFileRemote As String
    Private TargetBufferSize As Integer
    Dim proc As Process

    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 ' If error occurs, app will close without any error messages 
        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()
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        TextBox1.Clear()
    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

        End If
        Dim TargetProcess As Process() = Process.GetProcessesByName(TextBox1.Text)
        If TargetProcess.Length = 0 Then

            Label3.Text = ("Waiting for: " + TextBox1.Text + ".exe...")
        Else
            Timer1.Stop()
            Label3.ForeColor = Color.Green
            Label3.Text = "Injection Successful!"
            Call Inject()
            If CheckBox1.Checked = True Then
                Me.Close()
            Else
            End If
        End If
    End Sub


    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
        Close()
    End Sub
    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        OpenFileDialog1.Filter = "DLL|*.dll"
        OpenFileDialog1.ShowDialog()
        Dim FileName As String
        FileName = OpenFileDialog1.FileName.Substring(OpenFileDialog1.FileName.LastIndexOf("\"))
        Dim DllFileName As String = FileName.Replace("\", "")
        Me.Dlls.Items.Add(DllFileName)
    End Sub

    Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
        For i As Integer = (Dlls.SelectedItems.Count - 1) To 0 Step -1
            Dlls.Items.Remove(Dlls.SelectedItems(i))
        Next
    End Sub

    Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
        Dlls.Items.Clear()
    End Sub

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        If IO.File.Exists(OpenFileDialog1.FileName) Then
            Dim TargetProcess As Process() = Process.GetProcessesByName(TextBox1.Text)
            If TargetProcess.Length = 0 Then
                Label3.Text = ("Waiting for:" + TextBox1.Text + ".exe" + "....")
            Else
                Timer1.Stop()
                Label3.Text = "Injection Successful!"
                Call Inject()
                If CheckBox1.Checked = True Then
                    Me.Close()
                End If

            End If
        End If
    End Sub
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)
        Timer1.Interval = 2
        Timer1.Start()
        Label6.Visible = False
        ProgressBar1.ForeColor = Color.Cyan
    End Sub
    Private Sub RadioButton1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton1.CheckedChanged
        Timer1.Start()
    End Sub
    Private Sub RadioButton2_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton2.CheckedChanged
        Timer1.Stop()
    End Sub

    Private Sub Form1_Load_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ShowIcon = True
    End Sub

    Private Sub Button7_Click_1(sender As Object, e As EventArgs) Handles Button7.Click
        For Each proc As Process In Process.GetProcesses
            ListBox1.Items.Add(proc.ProcessName)
        Next
        ProgressBar1.Value = 100
        Label7.Text = ProgressBar1.Value
        Label6.Visible = True



    End Sub

    Private Sub Button8_Click(sender As Object, e As EventArgs) Handles Button8.Click
        TextBox1.Text = ListBox1.SelectedItem
    End Sub

    Private Sub ListBox1_SelectedIndexChanged(sender As Object, e As EventArgs) Handles ListBox1.SelectedIndexChanged
        TextBox1.Text = ListBox1.SelectedItem
    End Sub

    Private Sub Label2_Click(sender As Object, e As EventArgs) Handles Label2.Click
        MessageBox.Show("Made by ImWhacky (eblank)" & vbCrLf & "If you have any errors, report them to the MPGH thread and i will try to fix them in the next update." & vbCrLf & " " & vbCrLf & "Thanks!",
            "xCal v1.5")
    End Sub
End Class