[FEATURE] Added a demo case: popup messages from the list

Author: hasherezade

demos/popup_arr.cpp

@@ -0,0 +1,42 @@
+#include <Windows.h>
+#include "peb_lookup.h"
+
+int main()
+{
+    LPVOID base = get_module_by_name((const LPWSTR)L"kernel32.dll");
+    if (!base) {
+        return 1;
+    }
+
+    LPVOID load_lib = get_func_by_name((HMODULE)base, (LPSTR)"LoadLibraryA");
+    if (!load_lib) {
+        return 2;
+    }
+    LPVOID get_proc = get_func_by_name((HMODULE)base, (LPSTR)"GetProcAddress");
+    if (!get_proc) {
+        return 3;
+    }
+    HMODULE(WINAPI * _LoadLibraryA)(LPCSTR lpLibFileName) = (HMODULE(WINAPI*)(LPCSTR))load_lib;
+    FARPROC(WINAPI * _GetProcAddress)(HMODULE hModule, LPCSTR lpProcName)
+        = (FARPROC(WINAPI*)(HMODULE, LPCSTR)) get_proc;
+
+    LPVOID u32_dll = _LoadLibraryA("user32.dll");
+
+    int (WINAPI * _MessageBoxW)(
+        _In_opt_ HWND hWnd,
+        _In_opt_ LPCWSTR lpText,
+        _In_opt_ LPCWSTR lpCaption,
+        _In_ UINT uType) = (int (WINAPI*)(
+            _In_opt_ HWND,
+            _In_opt_ LPCWSTR,
+            _In_opt_ LPCWSTR,
+            _In_ UINT)) _GetProcAddress((HMODULE)u32_dll, "MessageBoxW");
+
+    if (_MessageBoxW == NULL) return 4;
+    
+    wchar_t* temp[] = { L"123", L"xxx", L"bbb" };
+    for (size_t i = 0; i < _countof(temp); i++) {	
+        _MessageBoxW(0, temp[i], L"Demo", MB_OK);
+    }
+    return 0;
+}