REM Get MAC address (first active adapter) for /f "tokens=2 delims==" %%a in ('wmic nic where "NetEnabled=true" get MACAddress /value 2^>nul') do ( set "MAC=%%a" goto :mac_found ) :mac_found if "%MAC%"=="" set "MAC=UNKNOWN_MAC"
REM ------------------------------- REM Check Administrator Rights (optional) REM ------------------------------- net session >nul 2>&1 if %errorLevel% neq 0 ( echo [WARNING] Running without admin rights. Some HW info may be missing. ) keyfilegenerator.cmd
However, its simplicity is a double-edged sword. While easy to write and modify, it offers little protection against determined reverse engineering. Use it for internal tooling, trials, or low-risk applications. For commercial software with high revenue at stake, invest in a more robust licensing solution. REM Get MAC address (first active adapter) for
REM ------------------------------- REM Generate Unique Machine ID REM ------------------------------- echo [%DATE% %TIME%] Starting key generation >> %LOG_FILE% While easy to write and modify, it offers
REM Get Volume Serial Number of C: drive for /f "tokens=5" %%i in ('dir C:\ 2^>nul ^| find "bytes"') do set "VOLSER=%%i"
for /f "tokens=2 delims==" %%a in ('wmic nic where "NetEnabled=true" get MACAddress /value') do set "MAC=%%a" set "COMPNAME=%COMPUTERNAME%" set "TIMESTAMP=%DATE%%TIME%" Poorly written scripts might only echo data. Well-written scripts call external tools like certutil or a custom hasher: