刪除與恢復擴展存儲過過程xp_cmdshell的語句

刪除與恢復擴展存儲過過程xp_cmdshell的語句

刪除擴展存儲過過程xp_cmdshell的語句:
exec sp_dropextendedproc 'xp_cmdshell'

恢復cmdshell的SQL語句
EXEC sp_addextendedproc xp_cmdshell ,@dllname ='xplog70.dll'

開啓cmdshell的SQL語句

EXEC sp_addextendedproc xp_cmdshell ,@dllname ='xplog70.dll'

判斷存儲擴展是否存在
Select count(*) from master.dbo.sysobjects where xtype='X' and name='xp_cmdshell'
返回結果爲1就OK

恢復xp_cmdshell
Exec master.dbo.addextendedproc 'xp_cmdshell','xplog70.dll';select count(*) from master.dbo.sysobjects where xtype='X' and name='xp_cmdshell'
返回結果爲1就OK

否則上傳xplog7.0.dll
Exec master.dbo.addextendedproc 'xp_cmdshell','C:/WinNt/System32/xplog70.dll'

堵上cmdshell的SQL語句
sp_dropextendedproc "xp_cmdshell"