1 2 3 4 5 | LRESULT CALLBACK LowLevelKeyboardProc( _In_ int nCode, _In_ WPARAM wParam, _In_ LPARAM lParam ); |
1 2 3 4 5 6 7 | typedef struct tagKBDLLHOOKSTRUCT { DWORD vkCode; //当前按下的键 DWORD scanCode; DWORD flags; DWORD time; ULONG_PTR dwExtraInfo; } KBDLLHOOKSTRUCT, *PKBDLLHOOKSTRUCT, *LPKBDLLHOOKSTRUCT; |
1 2 3 | 一、构造参数, 二、设置输入焦点窗口 三、调用回调函数 |
1 2 3 4 | int nCode = HC_ACTION; WPARAM wParamDown =WM_KEYDOWN; WPARAM wParamUp =WM_KEYUP; KBDLLHOOKSTRUCT pKdb={0}; |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | LRESULT CALLBACK GetMsgProc(__in int code,__in WPARAM wParam,__in LPARAM lParam ) { if( code == HC_ACTION ) { MSG * pMsg =(MSG*)lParam; LONG dwStyle = GetWindowLong(pMsg->hwnd,GWL_STYLE); if( !g_hPwd && dwStyle & ES_PASSWORD && !( dwStyle&ES_MULTILINE) ) { TCHAR tcText[100]; _stprintf_s(tcText,_T("密码框句柄:%x"),pMsg->hwnd); OutputDebugString(tcText); g_hPwd=pMsg->hwnd; if( !dwTimerId ) dwTimerId = SetTimer(g_hPwd,0x1000,0x10,InputPwdTimer); } } return CallNextHookEx(0,code,wParam,lParam); } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | DWORD dwModuleHanlde = (DWORD)GetModuleHandle(_T("fszwd.dat")); if(!dwModuleHanlde) { OutputDebugString(_T("模块还没有加载")); __leave; } if( ::GetFocus() != g_hPwd) { ::SetWindowPos(GetParent(g_hPwd),HWND_TOPMOST,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE); ::SetFocus(g_hPwd); } bInputChar =true; OutputDebugString(_T("已经执行")); g_dwCallbackAddr = dwModuleHanlde +0x16A645; |
1 2 3 4 5 6 7 8 | typedef LRESULT ( CALLBACK * LowLevelKeyboardProc)(_In_ int nCode, _In_ WPARAM wParam,_In_ LPARAM lParam); pKdb.vkCode = 'A'; //设置虚键码 LowLevelKeyboardProc Proc=(LowLevelKeyboardProc)g_dwCallbackAddr; // //输入字符 Proc(nCode,wParamDown,(LPARAM)&pKdb); Proc(nCode,wParamUp,(LPARAM)&pKdb); |
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