Posted December 20, 20204 yr CheckMePlease This crackme is created with Qt v4.8.4, The goal of this crackme is to make the CheckBox checked, not to only pass the check when the Check button is pressed. There is also the options of creating an program which will change the state of CheckBox. I don't think is trivial task: I can't even enumerate windows. File Information Submitter CodeExplorer Submitted 12/20/2020 Category CrackMe View File
December 21, 20204 yr Hello, I do not speak English, I used translation. Winabler - for the problem of not being able to access the qt interface with enabler style programs; 1) First run your program. 2) Then run my program and click it. (I may have misunderstood your request.) https://dosya.co/htxqwzjqb897/k3sm3z4r.rar.html Edit: I guess that wasn't the right solution. A real solution was to have full access to the checkbox and button. It will be useful for me to learn the solution. Thanks. Edited December 22, 20204 yr by kesmezar
December 23, 20204 yr Author k3sm3z4r, your solution is something like this: originalWindow = USER32.GetForegroundWindow; SetForegroundWindow(USER32.FindWindowW("QWidget", "CheckMePlease")); Press Tab: USER32.MapVirtualKeyW(tab) & USER32.SendInput; // 9 = tab Press Spacebar (check the CheckBox): USER32.MapVirtualKeyW(Space) & USER32.SendInput; // 32 = Space Press Tab: USER32.MapVirtualKeyW(tab) & USER32.SendInput; // 9 = tab Press Enter: USER32.MapVirtualKeyW(Enter) & USER32.SendInput; SetForegroundWindow(originalWindow); Pressing the Enter will press the button, anyway pressing key may not always be the best solution. But it seems that childs of main Window don't actually have a native Window, don't know how it is possible.
December 23, 20204 yr Yes, that's what I did. I've tried almost 30 programs like winspy, winhack, and what they do is just find the Qt class name. It definitely needs a tool for this and I'm working on this. Edit: I read that the only program that can act like WinSpy is GammaRay Qt. Edit: My delphi solution; procedure TForm2.Button1Click(Sender: TObject); var s:string; pencere: Hwnd; i:integer; begin pencere := FindWindow('QWidget', 'CheckMePlease'); if pencere=0 then shellExecute(Handle,'open',pchar('CheckMePlease'),pchar(s),nil,SW_SHOWNORMAL); while pencere=0 do begin pencere := FindWindow('QWidget', 'CheckMePlease'); Sleep(1000); end; BringWindowToTop(pencere); ////pencere := FindWindowEx(pencere, 0, 'QWidget', 'QPopup'); //QtGui4.QAbstractButton::isChecked??? ////pencere := FindWindowEx(pencere, 0, 'QWidget', 'QAbstractButton'); if pencere <> 0 then begin while GetForegroundwindow<>pencere do Sleep(1000); PostMessage(pencere,WM_KEYDOWN,9,0); //9 tab PostMessage(pencere,WM_KEYUP,9,0); PostMessage(pencere,WM_KEYDOWN,32,0);//32 space PostMessage(pencere,WM_KEYUP,32,0); //Sleep(1000); PostMessage(pencere,WM_KEYDOWN,9,0); PostMessage(pencere,WM_KEYUP,9,0); PostMessage(pencere,WM_KEYDOWN,32,0); PostMessage(pencere,WM_KEYUP,32,0); end; end; Edited December 24, 20204 yr by k3sm3z4r
December 24, 20204 yr Author I forget to tell the programming tutorial I've used for learning how to create this crackme: My first application - Qt for Symbian https://www.youtube.com/watch?v=AKJsnUluU2E ( You could check it if you want ). Qt way of solving this: void QtWay() { HWND hWnd = FindWindow(TEXT("QWidget"), TEXT("Check Solver")); QWidget *widget = QWidget::find(hWnd); if (widget) { QCheckBox* checkbox1 = widget->findChild<QCheckBox*>("checkBoxX"); if (checkbox1) checkbox1->setChecked(true); QPushButton* button = widget->findChild<QPushButton*>("Button1"); if (button) button->click(); } } // Unfortunately QWidget::find only works for current process window and not for other processes. Native way have other problem, you must create native windows with winId(): void NativeWay() { HWND hWnd = FindWindow(TEXT("QWidget"), TEXT("Check Solver")); QWidget *widget = QWidget::find(hWnd); QCheckBox* checkbox1 = widget->findChild<QCheckBox*>(); HWND cbh = checkbox1->winId(); HWND centralhWnd = FindWindowExW(hWnd, NULL, TEXT("QWidget"), TEXT("centralWidget")); HWND buthWnd = NULL; HWND checkhWnd = NULL; if (centralhWnd) { buthWnd = FindWindowExW(centralhWnd, NULL, TEXT("QWidget"), TEXT("Button1")); checkhWnd = FindWindowExW(centralhWnd, NULL, TEXT("QWidget"), TEXT("checkBoxX")); if (checkhWnd) { // click the checkbox SendMessage(checkhWnd, WM_LBUTTONDOWN, 0, NULL); SendMessage(checkhWnd, WM_LBUTTONUP, 0, NULL); } if (buthWnd) { // click the button // SendMessage(buthWnd, WM_LBUTTONDOWN, 0, NULL); // SendMessage(buthWnd, WM_LBUTTONUP, 0, NULL); } } } Maybe someone will find them useful...
January 22, 20214 yr Not sure if it is just me, but the application is not working on Windows 10 64-bit with MinGW installed? Mind uploading the dlls that you used (i.e. the Qt and standard c++ libs)? I downloaded the Qt dlls manually, but that does not seem to be working properly for me.
June 9, 20214 yr Author @Washi: You can download dlls from: https://www.dll-files.com/qtgui4.dll.html https://www.dll-files.com/qtcore4.dll.html just make sure you grab Qt v4.8.4. I have some new ideas: we have to get the QCheckBox class, (don't know exactly how yet) setChecked just set one int variable. More qt programs needed, different qt versions.
August 16, 20232 yr Author https://codebrowser.dev/qt5/qtbase/src/widgets/kernel/qwidget.cpp.html#_ZN14QWidgetPrivate11createWinIdEv void QWidgetPrivate::createWinId() { Q_Q(QWidget); #ifdef ALIEN_DEBUG qDebug() << "QWidgetPrivate::createWinId for" << q; #endif const bool forceNativeWindow = q->testAttribute(Qt::WA_NativeWindow); if (!q->testAttribute(Qt::WA_WState_Created) || (forceNativeWindow && !q->internalWinId())) { if (!q->isWindow()) { QWidget *parent = q->parentWidget(); QWidgetPrivate *pd = parent->d_func(); if (forceNativeWindow && !q->testAttribute(Qt::WA_DontCreateNativeAncestors)) parent->setAttribute(Qt::WA_NativeWindow); if (!parent->internalWinId()) { pd->createWinId(); } for (int i = 0; i < pd->children.size(); ++i) { QWidget *w = qobject_cast<QWidget *>(pd->children.at(i)); if (w && !w->isWindow() && (!w->testAttribute(Qt::WA_WState_Created)|| (!w->internalWinId() && w->testAttribute(Qt::WA_NativeWindow)))) { w->create(); } } } else { q->create(); } } } At: void QWidgetPrivate::create() { ... void QWidget::setWindowState(Qt::WindowStates newstate) { // calls QWidgetPrivate::create()
Create an account or sign in to comment