怎么搭建自己的网站后台,网站地址正能量,工作计划范文,建南沙做网站公司SQL2008,SQL2005存储过程解密 下载#xff1a;附件 SQL2008,SQL2005存储过程解密第一步操作步骤#xff1a;程序-Sql Server2005- 配置工具- Sql Server 外围应用配置器- 功能的外围应用配置器- DataBase Engine- DAC - 启用远程DAC 第二步附件 SQL2008,SQL2005存储过程解密第一步操作步骤程序-Sql Server2005- 配置工具- Sql Server 外围应用配置器- 功能的外围应用配置器- DataBase Engine- DAC - 启用远程DAC 第二步启动SQL Server Browser 服务第三部使用DAC模式登陆(关键就在这个地方)1 登陆SQL Server Management Studio2,新建查询,在弹出的连接对话框中,服务器名称改为 ADMIN:服务器名称;然后,选项-连接属性-连接到数据库 改为加密存储过程所在的数据库-连接即可.(只能有一个查询界面)3 创建存储过程 sp_windbi$decrypt (下文)4 执行 exec sp_windbi$Decrypt 你要解密的存储过程名,0Create PROCEDURE [dbo].[sp_windbi$decrypt](procedure sysname NULL, revfl int 1)AS/**//*王成辉翻译整理转贴请注明出自微软BI开拓者www.windbi.com调用形式为exec dbo.sp__windbi$decrypt procedure,0如果第二个参数使用1的话会给出该存储过程的一些提示。--版本4.0 修正存储过程过长解密出来是空白的问题*/SET NOCOUNT ONIF revfl 1BEGINPRINT 警告该存储过程会删除并重建原始的存储过程。PRINT 在运行该存储过程之前确保你的数据库有一个备份。PRINT 该存储过程通常应该运行在产品环境的一个备份的非产品环境下。PRINT 为了运行这个存储过程将参数refl的值更改为0。RETURN 0ENDDECLARE intProcSpace bigint, t bigint, maxColID smallint,procNameLength intselect maxColID max(subobjid) FROMsys.sysobjvalues WHERE objid object_id(procedure)--select maxColID as Rows in sys.sysobjvaluesselect procNameLength datalength(procedure) 29DECLARE real_01 nvarchar(max)DECLARE fake_01 nvarchar(max)DECLARE fake_encrypt_01 nvarchar(max)DECLARE real_decrypt_01 nvarchar(max),real_decrypt_01a nvarchar(max)declare objtype varchar(2),ParentName nvarchar(max)select real_decrypt_01a --提取对象的类型如是存储过程还是函数如果是触发器还要得到其父对象的名称select objtypetype,parentnameobject_name(parent_object_id)from sys.objects where [object_id]object_id(procedure)-- 从sys.sysobjvalues里提出加密的imageval记录SET real_01(SELECT top 1 imageval FROM sys.sysobjvalues WHERE objid object_id(procedure) and valclass 1 order by subobjid)--创建一个临时表create table #output ( [ident] [int] IDENTITY (1, 1) NOT NULL ,[real_decrypt] NVARCHAR(MAX) )--开始一个事务稍后回滚BEGIN TRAN--更改原始的存储过程用短横线替换if objtypePSET fake_01ALTER PROCEDURE procedure WITH ENCRYPTION AS select 1 /**//*REPLICATE(cast(*as nvarchar(max)), datalength(real_01) /2 - procNameLength)*/else if objtypeFNSET fake_01ALTER FUNCTION procedure () RETURNS INT WITH ENCRYPTION AS BEGIN RETURN 1 /**//*REPLICATE(cast(*as nvarchar(max)), datalength(real_01) /2 - procNameLength)*/ ENDelse if objtypeVSET fake_01ALTER view procedure WITH ENCRYPTION AS select 1 as col /**//*REPLICATE(cast(*as nvarchar(max)), datalength(real_01) /2 - procNameLength)*/else if objtypeTRSET fake_01ALTER trigger procedure ON parentnameWITH ENCRYPTION AFTER INSERT AS RAISERROR (N,16,10) /**//*REPLICATE(cast(*as nvarchar(max)), datalength(real_01) /2 - procNameLength)*/EXECUTE (fake_01)--从sys.sysobjvalues里提出加密的假的SET fake_encrypt_01(SELECT top 1 imageval FROM sys.sysobjvalues WHERE objid object_id(procedure) and valclass 1 order by subobjid )if objtypePSET fake_01Create PROCEDURE procedure WITH ENCRYPTION AS select 1 /**//*REPLICATE(cast(*as nvarchar(max)), datalength(real_01) /2 - procNameLength)*/else if objtypeFNSET fake_01CREATE FUNCTION procedure () RETURNS INT WITH ENCRYPTION AS BEGIN RETURN 1 /**//*REPLICATE(cast(*as nvarchar(max)), datalength(real_01) /2 - procNameLength)*/ ENDelse if objtypeVSET fake_01Create view procedure WITH ENCRYPTION AS select 1 as col /**//*REPLICATE(cast(*as nvarchar(max)), datalength(real_01) /2 - procNameLength)*/else if objtypeTRSET fake_01Create trigger procedure ON parentnameWITH ENCRYPTION AFTER INSERT AS RAISERROR (N,16,10) /**//*REPLICATE(cast(*as nvarchar(max)), datalength(real_01) /2 - procNameLength)*/--开始计数SET intProcSpace1--使用字符填充临时变量SET real_decrypt_01 replicate(cast(Aas nvarchar(max)), (datalength(real_01) /2 ))--循环设置每一个变量创建真正的变量--每次一个字节SET intProcSpace1--如有必要遍历每个real_xx变量并解密WHILE intProcSpace(datalength(real_01)/2)BEGIN--真的和假的和加密的假的进行异或处理SET real_decrypt_01 stuff(real_decrypt_01, intProcSpace, 1,NCHAR(UNICODE(substring(real_01, intProcSpace, 1)) ^(UNICODE(substring(fake_01, intProcSpace, 1)) ^UNICODE(substring(fake_encrypt_01, intProcSpace, 1)))))SET intProcSpaceintProcSpace1END--通过sp_helptext逻辑向表#output里插入变量insert #output (real_decrypt) select real_decrypt_01--select real_decrypt AS #output chek from #output --测试-- ---------------------------------------开始从sp_helptext提取-- -------------------------------------declare dbname sysname,BlankSpaceAdded int,BasePos int,CurrentPos int,TextLength int,LineId int,AddOnLen int,LFCR int --回车换行的长度,DefinedLength int,SyscomText nvarchar(max),Line nvarchar(255)Select DefinedLength 255SELECT BlankSpaceAdded 0 --跟踪行结束的空格。注意Len函数忽略了多余的空格CREATE TABLE #CommentText(LineId int,Text nvarchar(255) collate database_default)--使用#output代替sys.sysobjvaluesDECLARE ms_crs_syscom CURSOR LOCALFOR SELECT real_decrypt from #outputORDER BY identFOR READ ONLY--获取文本SELECT LFCR 2SELECT LineId 1OPEN ms_crs_syscomFETCH NEXT FROM ms_crs_syscom into SyscomTextWHILE fetch_status 0BEGINSELECT BasePos 1SELECT CurrentPos 1SELECT TextLength LEN(SyscomText)WHILE CurrentPos ! 0BEGIN--通过回车查找行的结束SELECT CurrentPos CHARINDEX(char(13)char(10), SyscomText,BasePos)--如果找到回车IF CurrentPos ! 0BEGIN--如果Lines的长度的新值比设置的大就插入Lines目前的内容并继续While (isnull(LEN(Line),0) BlankSpaceAdded CurrentPos-BasePos LFCR) DefinedLengthBEGINSELECT AddOnLen DefinedLength-(isnull(LEN(Line),0) BlankSpaceAdded)INSERT #CommentText VALUES( LineId,isnull(Line, N) isnull(SUBSTRING(SyscomText,BasePos, AddOnLen), N))SELECT Line NULL, LineId LineId 1,BasePos BasePos AddOnLen, BlankSpaceAdded 0ENDSELECT Line isnull(Line, N) isnull(SUBSTRING(SyscomText, BasePos, CurrentPos-BasePos LFCR), N)SELECT BasePos CurrentPos2INSERT #CommentText VALUES( LineId, Line )SELECT LineId LineId 1SELECT Line NULLENDELSE--如果回车没找到BEGINIF BasePos TextLengthBEGIN--如果Lines长度的新值大于定义的长度While (isnull(LEN(Line),0) BlankSpaceAdded TextLength-BasePos1 ) DefinedLengthBEGINSELECT AddOnLen DefinedLength -(isnull(LEN(Line),0) BlankSpaceAdded)INSERT #CommentText VALUES( LineId,isnull(Line, N) isnull(SUBSTRING(SyscomText,BasePos, AddOnLen), N))SELECT Line NULL, LineId LineId 1,BasePos BasePos AddOnLen, BlankSpaceAdded 0ENDSELECT Line isnull(Line, N) isnull(SUBSTRING(SyscomText, BasePos, TextLength-BasePos1 ), N)if LEN(Line) DefinedLength and charindex(,SyscomText, TextLength1 ) 0BEGINSELECT Line Line , BlankSpaceAdded 1ENDENDENDENDFETCH NEXT FROM ms_crs_syscom into SyscomTextENDIF Line is NOT NULLINSERT #CommentText VALUES( LineId, Line )select Text from #CommentText order by LineIdCLOSE ms_crs_syscomDEALLOCATE ms_crs_syscomDROP TABLE #CommentText-- ---------------------------------------结束从sp_helptext提取-- ---------------------------------------删除用短横线创建的存储过程并重建原始的存储过程ROLLBACK TRANDROP TABLE #outputgo posted on 2011-11-17 21:10 Fanr_Zh 阅读(...) 评论(...) 编辑 收藏 转载于:https://www.cnblogs.com/Amaranthus/archive/2011/11/17/2253151.html
