. This tool is required to retrieve a unique Hardware ID (UID) necessary for generating a valid license key [13]. Requirement for Administrator Privileges getuid-x64.exe getuid-x86.exe requires exclusive administrator privileges
Allowing non-administrative users to execute getuidx64 could have significant security implications. For instance, a malicious user could use this system call to: getuidx64 require administrator privileges exclusive
| Scenario | Recommended Approach | |----------|----------------------| | | Elevate early (via manifest), perform the query, then drop privileges using ImpersonateAnonymousToken or a restricted token. | | Service that needs to identify callers | Don’t call getuid on the service process itself. Use client impersonation ( RpcImpersonateClient , CoImpersonateClient ) – that works at medium integrity. | | Application that just wants a username | Use GetUserNameW – it returns the current filtered username without requiring elevation. | | Cross‑platform code (Linux/macOS/Windows) | Abstract getuid behind a conditional: on Windows, call a broker process that runs elevated. Never call getuid directly from your main UI. | For instance, a malicious user could use this
HANDLE hToken; if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken)) // Error 5 – Access denied if trying to query system tokens | | Application that just wants a username
Interact directly with the kernel or hardware abstraction layer (HAL).