:: Whitelist of allowed HWIDs (hashed or plain) set ALLOWED1=5d41402abc4b2a76b9719d911017c592 set ALLOWED2=7d793037a0760186574b0282f2f435e7
echo Access Denied. HWID not recognized. pause exit /b 1 hwid checker bat
:: Optional: Simple hash via CertUtil (MD5) echo %RAW_HWID% > %temp%\hwid.txt certutil -hashfile %temp%\hwid.txt MD5 | findstr /v "hash" > %temp%\hwid_hash.txt set /p HWID=<%temp%\hwid_hash.txt del %temp%\hwid.txt %temp%\hwid_hash.txt :: Whitelist of allowed HWIDs (hashed or plain)
:: Combine into a single hash-like string set "RAW_HWID=%MBSN%%CPUID%%DISKSN%" echo Raw HWID: %RAW_HWID% Subject: Analysis of Hardware ID (HWID) Checking Mechanisms
Date: [Current Date] Author: Cybersecurity & Systems Analysis Dept. Subject: Analysis of Hardware ID (HWID) Checking Mechanisms in Batch Environment 1. Executive Summary A HWID (Hardware ID) Checker is a tool used to generate a unique fingerprint of a computer system based on its physical components. While commonly implemented in high-level languages (C++, Python, PowerShell), it is possible to create a rudimentary but functional HWID checker using a native Windows Batch script ( .bat ) . This report explores the design, methodology, limitations, security vulnerabilities, and legitimate vs. malicious applications of such a script.
if "%HWID%"=="%ALLOWED1%" goto :granted if "%HWID%"=="%ALLOWED2%" goto :granted