Code:
Public Class Form1
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
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 Allocadress As Integer = VirtualAllocEx(hProcess, 0, DllBytes.Length, &H1000, &H4)
If Allocadress = 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, Allocadress, DllBytes, DllBytes.Length, 0)
Dim libthread As Integer = CreateRemoteThread(hProcess, 0, 0, Loadlibaddr, Allocadress, 0, 0)
If libthread = 0 Then
Return False
Else
WaitForSingleObject(libthread, 5000)
CloseHandle(libthread)
End If
CloseHandle(hProcess)
Label2.Text = "DLL Sucessfully Injected!"
If CheckBox1.Checked = True Then
Me.Close()
End If
Return True
End Function
Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load
If My.Settings.inject = "auto" Then
RadioButton2.Checked = True
ElseIf My.Settings.inject = "manual" Then
RadioButton1.Checked = True
Else
RadioButton2.Checked = True
End If
If My.Settings.close = 1 Then
RadioButton2.Checked = True
Else
RadioButton2.Checked = False
End If
End Sub
Private Sub OpenFileDialog1_FileOk(sender As System.Object, e As System.ComponentModel.CancelEventArgs) Handles OpenFileDialog1.FileOk
Dim filename As String = OpenFileDialog1.FileName.Substring(OpenFileDialog1.FileName.LastIndexOf("\"))
Dim Dllfilename As String = filename.Replace("\", "")
ListBox1.Items.Add(Dllfilename)
dlls.Add(Dllfilename, OpenFileDialog1.FileName)
End Sub
Private Sub Timer1_Tick(sender As System.Object, e As System.EventArgs) Handles Timer1.Tick
If ListBox1.Items.Count > 0 Then
Dim TargetProcess As Process() = Process.GetProcessesByName(TextBox1.Text)
If TargetProcess.Length = 0 Then
Label2.Text = ("Wating for " + TextBox1.Text + ".exe...")
Else
Dim procID As Integer = Process.GetProcessesByName(TextBox1.Text)(0).Id
Timer1.Stop()
Timer2.Stop()
For Each inj As KeyValuePair(Of String, String) In dlls
Inject(procID, inj.Value)
Next
End If
End If
End Sub
Private Sub Timer2_Tick(sender As System.Object, e As System.EventArgs) Handles Timer2.Tick
If TextBox1.Text = "" Then
Label2.Text = ("Wating for Process Input")
Timer1.Stop()
ElseIf ListBox1.Items.Count = 0 Then
Label2.Text = ("Waiting for DLL Input")
Timer1.Stop()
Else
Dim targetprocess As Process() = Process.GetProcessesByName(TextBox1.Text)
If targetprocess.Length = 0 Then
Label2.Text = ("Waiting for" + TextBox1.Text + ".exe...")
Else
If RadioButton2.Checked = True Then
Timer1.Start()
End If
End If
End If
End Sub
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
OpenFileDialog1.Filter = "DLL (*.dll) |*.dll"
OpenFileDialog1.ShowDialog()
End Sub
Private Sub Button2_Click(sender As System.Object, e As System.EventArgs) Handles Button2.Click
If ListBox1.SelectedIndex >= 0 Then
OpenFileDialog1.Reset()
dlls.Remove(ListBox1.SelectedItem)
For i As Integer = (ListBox1.SelectedItems.Count = -1) To 0 Step -1
Dim i2 As Integer = i + 2
ListBox1.Items.Remove(ListBox1.SelectedItems(i))
Next
End If
End Sub
Private Sub Button3_Click(sender As System.Object, e As System.EventArgs) Handles Button3.Click
ListBox1.Items.Clear()
dlls.Clear()
End Sub
Private Sub CheckBox1_CheckedChanged(sender As System.Object, e As System.EventArgs) Handles CheckBox1.CheckedChanged
If CheckBox1.Checked = True Then
My.Settings.close = 1
Else
My.Settings.close = 0
End If
My.Settings.Save()
My.Settings.Reload()
End Sub
Private Sub RadioButton1_CheckedChanged(sender As System.Object, e As System.EventArgs) Handles RadioButton1.CheckedChanged
My.Settings.inject = "manual"
My.Settings.Save()
My.Settings.Reload()
Button4.Enabled = True
Timer1.Stop()
End Sub
Private Sub RadioButton2_CheckedChanged(sender As System.Object, e As System.EventArgs) Handles RadioButton2.CheckedChanged
My.Settings.inject = "auto"
My.Settings.Save()
My.Settings.Reload()
Button4.Enabled = False
Timer1.Start()
End Sub
Private Sub Button4_Click(sender As System.Object, e As System.EventArgs) Handles Button4.Click
If ListBox1.Items.Count > 0 Then
If TextBox1.Text <> "" Then
Dim targetprocess As Process() = Process.GetProcessesByName(TextBox1.Text)
If targetprocess.Length = 0 Then
MsgBox(TextBox1.Text + ".exe is not running.", MsgBoxStyle.Critical, "Error")
Else
Timer1.Stop()
Dim ProcID As Integer = Process.GetProcessesByName(TextBox1.Text)(0).Id
End If
Else
MsgBox("You Haven't specified a process!", MsgBoxStyle.Critical, "Error")
End If
Else
MsgBox("You need to select a DLL to inject!", MsgBoxStyle.Critical, "Error")
End If
End Sub
Private Sub Label2_Click(sender As System.Object, e As System.EventArgs) Handles Label2.Click
End Sub
End Class