@echo off
rem get_cmd_windowtitles
for /f "tokens=2,9*" %%a in (
   'tasklist /v ^| findstr /i cmd.exe'
   ) do (
     echo:%%a %%c>>"%temp%\title01.tmp"
   )
rem end get_cmd_windowtitles

rem change title to something else
set "newtitle=%username%@%computername%"
echo:
echo:NEWTITLE: %newtitle%
title %newtitle%

rem get_newtitle_window
for /f "tokens=2,9*" %%a in (
   'tasklist /v ^| findstr /i "%newtitle%"'
   ) do (
     echo:%%a %%c>>"%temp%\title02.tmp"
   )
rem end get_newtitle_window

rem get_org_windowtitle
for /f %%a in (
   'findstr /i "%newtitle%" "%temp%\title02.tmp"'
   ) do (
   for /f "tokens=1*" %%i in (
     'findstr /i %%a "%temp%\title01.tmp"'
     ) do (
       set "orgtitle=%%j"
     )
   )
rem end get_org_windowtitle

rem change title to original title
echo:
echo:ORGTITLE: %orgtitle%
title %orgtitle%
pause

rem remove temp files
if exist "%temp%\title*.tmp" del "%temp%\title*.tmp"