Getuidx64 Require Administrator Privileges - Better ((top))

Deep Technical Report: Why getuid-Equivalent Operations on x64 Windows Demand Administrator Privileges

4.2 Create a Scheduled Task with Highest Privileges

If getuidx64 must run periodically as admin without a logged-in user:

$action = New-ScheduledTaskAction -Execute "getuidx64.exe" -Argument "--monitor"
$principal = New-ScheduledTaskPrincipal -UserId "SYSTEM" -LogonType ServiceAccount -RunLevel Highest
Register-ScheduledTask -TaskName "GetUIDMonitor" -Action $action -Principal $principal

4.1. Attempting to Open Another Process’s Token

Some broken implementations try to get the “real” user identity by walking parent processes (e.g., to bypass CreateProcessAsUser). To open the token of another process, you need: getuidx64 require administrator privileges better

• PROCESS_QUERY_LIMITED_INFORMATION (available without admin for same-user processes) – but for system processes or cross-session, admin is required.
• If the target process is running as SYSTEM or another admin account, OpenProcess fails with ERROR_ACCESS_DENIED unless the caller is elevated.

9. Decision guidance (when to keep requireAdministrator)

• Keep requireAdministrator only if getuidx64 must always access sensitive system stores for every run and redesign cost is prohibitive.
• Otherwise, adopt on-demand elevation or service model to reduce risk and improve usability.

Code for Handling Privileges in Programming

If you're writing software, ensure that you handle privileges carefully. For example, in C: Deep Technical Report: Why getuid -Equivalent Operations on

#include <unistd.h>
#include <stdio.h>
int main() 
    uid_t uid = getuid();
    printf("Real user ID: %d\n", uid);
    return 0;

3. Risks of always requiring Administrator

• Attack surface: Elevated processes are high-value targets for privilege escalation and persistence.
• User friction: Frequent UAC prompts reduce usability and encourage unsafe workarounds (disabling UAC).
• Deployment/automation: Harder to run in limited-permission environments (CI, managed endpoints).
• Audit/compliance: Elevated tools increase audit scrutiny and potential misconfiguration impact.

Administrator Privileges

Administrator (or root) privileges are required for certain actions on a computer system to ensure security. Processes running with elevated privileges can perform operations that are restricted for normal users. 3. Risks of always requiring Administrator

How to Properly Run getuidx64

✅ Do: Right-click your terminal or script → Run as administrator.

# Example
powershell Start-Process getuidx64.exe -Verb RunAs

✅ From Code (C++ example):

if (!IsUserAnAdmin()) 
    // Relaunch with shell "runas"
    ShellExecute(NULL, L"runas", L"getuidx64.exe", NULL, NULL, SW_SHOW);

❌ Don't: Disable UAC globally or run with SYSTEM token (overkill, dangerous).