DosTips.com

Code: Select all

@ECHO OFF
GOTO:CODE

Drag .bat or .cmd file onto this batch file
It will be encoded and name___.bat will be created which will function as normal
To decode name__.bat file drag onto this file as well
encoded file will be deleted and name.DC.bat created

https://www.dostips.com/forum/viewtopic.php?t=7990
substring manipulation https://ss64.com/nt/syntax-substring.html

:CODE
:: if no perameter exit
if "%~1"=="" exit /b
:: if not .bat or .cmd exit
if /i "%~x1" neq ".bat" if /i "%~x1" neq ".cmd" exit /b
:: check to see if last 3 letter in filename are ___, if so decode
set _name=%~n1
if %_name:~-3% equ ___ goto :DECODE

:ENCODE
for /f %%i in ("certutil.exe") do if not exist "%%~$path:i" (
  echo CertUtil.exe not found.
  pause
  exit /b
)
>"temp.~b64" echo(//4mY2xzDQo=
certutil.exe -f -decode "temp.~b64" "%~n1___%~x1"
del "temp.~b64"
copy "%~n1___%~x1" /b + "%~1" /b
GOTO:EOF

:DECODE
:: _result everything but last 3 characters
SET _result=%_name:~0,-3%
:: del old decoded file
if exist "%_result%.DC%~x1" del "%_result%.DC%~x1"
:: save decoded file to file.DC.ext
for /f "skip=1 delims=" %%L in ('CMD /U /C Type "%~1"') do (
   echo %%L
   echo %%L >>"%_result%.DC%~x1"
)
:: del original encoded file
del %~n1%~x1

Code: Select all

@echo off
setlocal EnableDelayedExpansion

rem Install.BAT: Create Program.BAT file that include a "hidden" password
rem https://www.dostips.com/forum/viewtopic.php?f=3&t=6185
rem Antonio Perez Ayala aka Aacini (https://apaacini.com)


rem Do NOT review the code for now!!









for /F %%a in ('echo prompt $H ^| cmd') do set "BS=%%a" 
for %%i in (A,B,C) do echo Protection scheme part %%i > %%i 
> ".\C:passîð!BS!!BS!Word.txtÿ" echo Yes, You Did It 
echo This is not the password > passWord.txt 

(
echo @echo off
echo setlocal EnableDelayedExpansion
echo/
echo set /P "pass1=Enter password: "
echo set /P "pass2=" ^< ".\C:passîð!BS!!BS!Word.txtÿ"
echo if "^!pass1^!" equ "^!pass2^!" goto OK
echo echo Bad password
echo goto :EOF
echo/
echo :OK
echo echo You did it!
) > Program.bat

echo Program.bat file created