检查MSSQL存储过程代码
3438 点击·0 回帖
灯火互联
楼主
 |  | |
 | use master go --检查xp_cmdshell是否被篡改 select * from master..syscomments where object_name(id)='xp_cmdshell' and text<>'xplog70.dll' go --检查其他存储过程是否被篡改 select object_name(id), * from master..syscomments where object_name(id) in ('xp_getfiledetails','xp_availablemedia','xp_dirtree','xp_fixeddrives','xp_s ubdirs', 'xp_fileexist','xp_get_tape_devices','sp_MSgetversion','xp_enumdsn','xp_regr ead','xp_regwrite','xp_regdeletevalue', 'xp_regaddmultistring','xp_regremovemultistring','xp_regenumkeys','xp_regenu mvalues','xp_regdeletekey','xp_instance_regread', 'xp_instance_regwrite','xp_instance_regdeletevalue','xp_instance_regaddmulti string','xp_instance_regremovemultistring', 'xp_instance_regenumkeys','xp_instance_regenumvalues') and text <>N'xpstar.dll' go --发现xp_cmdshell被篡改，执行下面语句改回来 drop procedure xp_cmdshell go exec sp_addextendedproc N'xp_cmdshell', N'xplog70.dll' go --然后执行下面语句验证xp_cmdshell是否正确 --xp_cmdshell 'dir c:\' | |
 |  |