存储过程解密(破解函数,过程,触发器,视图.仅限于SQLSERVER2000)

复制代码 代码如下:create PROCEDURE
sp_decrypt(@objectName varchar(50)) AS begin begin tran declare
@objectname1 varchar(100),@orgvarbin varbinary(8000) declare @sql1
nvarchar(4000),@sql2 nvarchar(4000),@sql3 nvarchar(4000),@sql4
nvarchar(4000),@sql5 nvarchar(4000),@sql6 nvarchar(4000),@sql7
nvarchar(4000),@sql8 nvarchar(4000),@sql9 nvarchar(4000),@sql10
nvarchar(4000) DECLARE @OrigSpText1 nvarchar(4000), @OrigSpText2
nvarchar(4000) , @OrigSpText3 nvarchar(4000), @resultsp nvarchar(4000)
declare @i int,@status int,@type varchar(10),@parentid int declare
@colid int,@n int,@q int,@j int,@k int,@encrypted int,@number int select
@type=xtype,@parentid=parent_obj from sysobjects where
id=object_id(@ObjectName) create table #temp(number int,colid
int,ctext varbinary(8000),encrypted int,status int) insert #temp SELECT
number,colid,ctext,encrypted,status FROM syscomments WHERE id =
object_id(@objectName) select @number=max(number) from #temp set @k=0
while @k=@number begin if exists(select 1 from syscomments where
id=object_id(@objectname) and number=@k) begin if @type=’P’ set
@sql1=(case when @number1 then ‘ALTER PROCEDURE ‘+ @objectName
+’;’+rtrim(@k)+’ WITH ENCRYPTION AS ‘ else ‘ALTER PROCEDURE ‘+
@objectName+’ WITH ENCRYPTION AS ‘ end) if @type=’TR’ set @sql1=’ALTER
TRIGGER ‘+@objectname+’ ON ‘+OBJECT_NAME(@parentid)+’ WITH ENCRYPTION
FOR INSERT AS PRINT 1 ‘ if @type=’FN’ or @type=’TF’ or @type=’IF’ set
@sql1=(case @type when ‘TF’ then ‘ALTER FUNCTION ‘+ @objectName+'(@a
char(1)) returns @b table(a varchar(10)) with encryption as begin insert
@b select @a return end ‘ when ‘FN’ then ‘ALTER FUNCTION ‘+
@objectName+'(@a char(1)) returns char(1) with encryption as begin
return @a end’ when ‘IF’ then ‘ALTER FUNCTION ‘+ @objectName+'(@a
char(1)) returns table with encryption as return select @a as a’ end) if
@type=’V’ set @sql1=’ALTER VIEW ‘+@objectname+’ WITH ENCRYPTION AS
SELECT 1 ‘ set @q=len(@sql1) set @sql1=@sql1+REPLICATE(‘-‘,4000-@q)
select
@sql2=REPLICATE(‘-‘,4000),@sql3=REPLICATE(‘-‘,4000),@sql4=REPLICATE(‘-‘,4000),@sql5=REPLICATE(‘-‘,4000),@sql6=REPLICATE(‘-‘,4000),@sql7=REPLICATE(‘-‘,4000),@sql8=REPLICATE(‘-‘,4000),@sql9=REPLICATE(‘-‘,4000),@sql10=REPLICATE(‘-‘,4000)
exec(@sql1+@sql2+@sql3+@sql4+@sql5+@sql6+@sql7+@sql8+@sql9+@sql10) end
set @k=@k+1 end set @k=0 while @k=@number begin if exists(select 1 from
syscomments where id=object_id(@objectname) and number=@k) begin select
@colid=max(colid) from #temp where number=@k set @n=1 while @n=@colid
begin select @OrigSpText1=ctext,@encrypted=encrypted,@status=status FROM
#temp WHERE colid=@n and number=@k SET @OrigSpText3=(SELECT ctext FROM
syscomments WHERE id=object_id(@objectName) and colid=@n and number=@k)
if @n=1 begin if @type=’P’ SET @OrigSpText2=(case when @number1 then
‘CREATE PROCEDURE ‘+ @objectName +’;’+rtrim(@k)+’ WITH ENCRYPTION AS ‘
else ‘CREATE PROCEDURE ‘+ @objectName +’ WITH ENCRYPTION AS ‘ end) if
@type=’FN’ or @type=’TF’ or @type=’IF’–刚才有错改一下 SET
@OrigSpText2=(case @type when ‘TF’ then ‘CREATE FUNCTION ‘+
@objectName+'(@a char(1)) returns @b table(a varchar(10)) with
encryption as begin insert @b select @a return end ‘ when ‘FN’ then
‘CREATE FUNCTION ‘+ @objectName+'(@a char(1)) returns char(1) with
encryption as begin return @a end’ when ‘IF’ then ‘CREATE FUNCTION ‘+
@objectName+'(@a char(1)) returns table with encryption as return select
@a as a’ end) if @type=’TR’ set @OrigSpText2=’CREATE TRIGGER
‘+@objectname+’ ON ‘+OBJECT_NAME(@parentid)+’ WITH ENCRYPTION FOR
INSERT AS PRINT 1 ‘ if @type=’V’ set @OrigSpText2=’CREATE VIEW
‘+@objectname+’ WITH ENCRYPTION AS SELECT 1 ‘ set
@q=4000-len(@OrigSpText2) set
@OrigSpText2=@OrigSpText2+REPLICATE(‘-‘,@q) end else begin SET
@OrigSpText2=REPLICATE(‘-‘, 4000) end –start counter SET @i=1 –fill
temporary variable SET @resultsp = replicate(N’A’,
(datalength(@OrigSpText1) / 2)) –loop WHILE
@i=datalength(@OrigSpText1)/2 BEGIN SET @resultsp = stuff(@resultsp, @i,
1, NCHAR(UNICODE(substring(@OrigSpText1, @i, 1)) ^
(UNICODE(substring(@OrigSpText2, @i, 1)) ^
UNICODE(substring(@OrigSpText3, @i, 1))))) SET @i=@i+1 END set
@orgvarbin=cast(@OrigSpText1 as varbinary(8000)) set @resultsp=(case
when @encrypted=1 then @resultsp else convert(nvarchar(4000),case when
@status&2=2 then uncompress(@orgvarbin) else @orgvarbin end) end) print
@resultsp –execute( @resultsp) set @n=@n+1 end end set @k=@k+1 end drop
table #temp rollback tran end GO

解读别人的存储过程时,你是否碰到过加密的呢?不用怕,本文可以帮你解惑

解密之后的调用方法

–解密指定存储过程

exec sp_decrypt ‘存储过程文件名’

调用方式:exec sp_decrypt ‘存储过程名’

 

 

解密方法

–*/

 

 

  1 CREATE PROCEDURE sp_decrypt(@objectName varchar(50))
  2 
  3 
  4 AS
  5 begin
  6 set nocount on
  7 
  8 –破解字节不受限制,适用于SQLSERVER2000存储过程,函数,视图,触发器
  9 
 10 begin tran
 11 declare @objectname1 varchar(100),@orgvarbin varbinary(8000)
 12 declare @sql1 nvarchar(4000),@sql2 varchar(8000),@sql3 nvarchar(4000),@sql4 nvarchar(4000)
 13 DECLARE @OrigSpText1 nvarchar(4000), @OrigSpText2 nvarchar(4000) , @OrigSpText3 nvarchar(4000), @resultsp nvarchar(4000)
 14 declare @i int,@status int,@type varchar(10),@parentid int
 15 declare @colid int,@n int,@q int,@j int,@k int,@encrypted int,@number int
 16 select @type=xtype,@parentid=parent_obj from sysobjects where id=object_id(@ObjectName)
 17 
 18 create table #temp(number int,colid int,ctext varbinary(8000),encrypted int,status int)
 19 insert #temp SELECT number,colid,ctext,encrypted,status FROM syscomments WHERE id = object_id(@objectName)
 20 select @number=max(number) from #temp
 21 set @k=0
 22 
 23 while @k<=@number 
 24 begin
 25 if exists(select 1 from syscomments where id=object_id(@objectname) and number=@k)
 26 begin
 27 if @type=’P’
 28 set @sql1=(case when @number>1 then ‘ALTER PROCEDURE ‘+ @objectName +’;’+rtrim(@k)+’ WITH ENCRYPTION AS ‘
 29 else ‘ALTER PROCEDURE ‘+ @objectName+’ WITH ENCRYPTION AS ‘
 30 end)
 31 
 32 if @type=’TR’
 33 begin
 34 declare @parent_obj varchar(255),@tr_parent_xtype varchar(10)
 35 select @parent_obj=parent_obj from sysobjects where id=object_id(@objectName)
 36 select @tr_parent_xtype=xtype from sysobjects where id=@parent_obj
 37 if @tr_parent_xtype=’V’
 38 begin
 39 set @sql1=’ALTER TRIGGER ‘+@objectname+’ ON ‘+OBJECT_NAME(@parentid)+’ WITH ENCRYPTION INSTERD OF INSERT AS PRINT 1 ‘
 40 end
 41 else
 42 begin
 43 set @sql1=’ALTER TRIGGER ‘+@objectname+’ ON ‘+OBJECT_NAME(@parentid)+’ WITH ENCRYPTION FOR INSERT AS PRINT 1 ‘
 44 end
 45 
 46 end
 47 if @type=’FN’ or @type=’TF’ or @type=’IF’
 48 set @sql1=(case @type when ‘TF’ then 
 49 ‘ALTER FUNCTION ‘+ @objectName+'(@a char(1)) returns @b table(a varchar(10)) with encryption as begin insert @b select @a return end ‘
 50 when ‘FN’ then
 51 ‘ALTER FUNCTION ‘+ @objectName+'(@a char(1)) returns char(1) with encryption as begin return @a end’
 52 when ‘IF’ then
 53 ‘ALTER FUNCTION ‘+ @objectName+'(@a char(1)) returns table with encryption as return select @a as a’
 54 end)
 55 
 56 if @type=’V’
 57 set @sql1=’ALTER VIEW ‘+@objectname+’ WITH ENCRYPTION AS SELECT 1 as f’
 58 
 59 set @q=len(@sql1)
 60 set @sql1=@sql1+REPLICATE(‘-‘,4000-@q)
 61 select @sql2=REPLICATE(‘-‘,8000)
 62 set @sql3=’exec(@sql1′
 63 select @colid=max(colid) from #temp where number=@k 
 64 set @n=1
 65 while @n<=CEILING(1.0*(@colid-1)/2) and len(@sQL3)<=3996
 66 begin 
 67 set @sql3=@sql3+’+@’
 68 set @n=@n+1
 69 end
 70 set @sql3=@sql3+’)’
 71 exec sp_executesql @sql3,N’@Sql1 nvarchar(4000),@ varchar(8000)’,@sql1=@sql1,@=@sql2
 72 
 73 end
 74 set @k=@k+1
 75 end
 76 
 77 set @k=0
 78 while @k<=@number 
 79 begin
 80 if exists(select 1 from syscomments where id=object_id(@objectname) and number=@k)
 81 begin
 82 select @colid=max(colid) from #temp where number=@k 
 83 set @n=1
 84 
 85 while @n<=@colid
 86 begin
 87 select @OrigSpText1=ctext,@encrypted=encrypted,@status=status FROM #temp WHERE colid=@n and number=@k
 88 
 89 SET @OrigSpText3=(SELECT ctext FROM syscomments WHERE id=object_id(@objectName) and colid=@n and number=@k)
 90 if @n=1
 91 begin
 92 if @type=’P’
 93 SET @OrigSpText2=(case when @number>1 then ‘CREATE PROCEDURE ‘+ @objectName +’;’+rtrim(@k)+’ WITH ENCRYPTION AS ‘
 94 else ‘CREATE PROCEDURE ‘+ @objectName +’ WITH ENCRYPTION AS ‘
 95 end)
 96 
 97 
 98 if @type=’FN’ or @type=’TF’ or @type=’IF’
 99 SET @OrigSpText2=(case @type when ‘TF’ then 
100 ‘CREATE FUNCTION ‘+ @objectName+'(@a char(1)) returns @b table(a varchar(10)) with encryption as begin insert @b select @a return end ‘
101 when ‘FN’ then
102 ‘CREATE FUNCTION ‘+ @objectName+'(@a char(1)) returns char(1) with encryption as begin return @a end’
103 when ‘IF’ then
104 ‘CREATE FUNCTION ‘+ @objectName+'(@a char(1)) returns table with encryption as return select @a as a’
105 end)
106 
107 if @type=’TR’ 
108 begin
109 
110 if @tr_parent_xtype=’V’
111 begin
112 set @OrigSpText2=’CREATE TRIGGER ‘+@objectname+’ ON ‘+OBJECT_NAME(@parentid)+’ WITH ENCRYPTION INSTEAD OF INSERT AS PRINT 1 ‘
113 end
114 else
115 begin
116 set @OrigSpText2=’CREATE TRIGGER ‘+@objectname+’ ON ‘+OBJECT_NAME(@parentid)+’ WITH ENCRYPTION FOR INSERT AS PRINT 1 ‘
117 end
118 end
119 
120 if @type=’V’
121 set @OrigSpText2=’CREATE VIEW ‘+@objectname+’ WITH ENCRYPTION AS SELECT 1 as f’
122 
123 set @q=4000-len(@OrigSpText2)
124 set @OrigSpText2=@OrigSpText2+REPLICATE(‘-‘,@q)
125 end
126 else
127 begin
128 SET @OrigSpText2=REPLICATE(‘-‘, 4000)
129 end
130 SET @i=1
131 
132 SET @resultsp = replicate(N’A’, (datalength(@OrigSpText1) / 2))
133 
134 WHILE @i<=datalength(@OrigSpText1)/2
135 BEGIN
136 
137 SET @resultsp = stuff(@resultsp, @i, 1, NCHAR(UNICODE(substring(@OrigSpText1, @i, 1)) ^
138 (UNICODE(substring(@OrigSpText2, @i, 1)) ^
139 UNICODE(substring(@OrigSpText3, @i, 1)))))
140 SET @i=@i+1
141 END
142 set @orgvarbin=cast(@OrigSpText1 as varbinary(8000))
143 set @resultsp=(case when @encrypted=1 
144 then @resultsp 
145 else convert(nvarchar(4000),case when @status&2=2 then uncompress(@orgvarbin) else @orgvarbin end)
146 end)
147 print @resultsp
148 
149 set @n=@n+1
150 
151 end
152 
153 end
154 set @k=@k+1
155 end
156 
157 drop table #temp
158 rollback tran
159 end

create PROCEDURE sp_decrypt(@objectName varchar(50))

 

AS

 

begin

begin tran

declare @objectname1 varchar(100),@orgvarbin varbinary(8000)

declare @sql1 nvarchar(4000),@sql2 nvarchar(4000),@sql3
nvarchar(4000),@sql4 nvarchar(4000),@sql5 nvarchar(4000),@sql6
nvarchar(4000),@sql7 nvarchar(4000),@sql8 nvarchar(4000),@sql9
nvarchar(4000),@sql10 nvarchar(4000)

DECLARE @OrigSpText1 nvarchar(4000), @OrigSpText2 nvarchar(4000) ,
@OrigSpText3 nvarchar(4000), @resultsp nvarchar(4000)

declare @i int,@status int,@type varchar(10),@parentid int

declare @colid int,@n int,@q int,@j int,@k int,@encrypted int,@number
int

select @type=xtype,@parentid=parent_obj from sysobjects where
id=object_id(@ObjectName)

 

create table #temp(number int,colid int,ctext varbinary(8000),encrypted
int,status int)

insert #temp SELECT number,colid,ctext,encrypted,status FROM
syscomments WHERE id = object_id(@objectName)

select @number=max(number) from #temp

set @k=0

 

while @k<=@number

begin

if exists(select 1 from syscomments where id=object_id(@objectname) and
number=@k)

begin

if @type=’P’

set @sql1=(case when @number>1 then ‘ALTER PROCEDURE ‘+ @objectName
+’;’+rtrim(@k)+’ WITH ENCRYPTION AS ‘

else ‘ALTER PROCEDURE ‘+ @objectName+’ WITH ENCRYPTION AS ‘

end)

 

if @type=’TR’

set @sql1=’ALTER TRIGGER ‘+@objectname+’ ON ‘+OBJECT_NAME(@parentid)+’
WITH ENCRYPTION FOR INSERT AS PRINT 1 ‘

 

if @type=’FN’ or @type=’TF’ or @type=’IF’

set @sql1=(case @type when ‘TF’ then

‘ALTER FUNCTION ‘+ @objectName+'(@a char(1)) returns @b table(a
varchar(10)) with encryption as begin insert @b select @a return end ‘

when ‘FN’ then

‘ALTER FUNCTION ‘+ @objectName+'(@a char(1)) returns char(1) with
encryption as begin return @a end’

when ‘IF’ then

‘ALTER FUNCTION ‘+ @objectName+'(@a char(1)) returns table with
encryption as return select @a as a’

end)

 

if @type=’V’

set @sql1=’ALTER VIEW ‘+@objectname+’ WITH ENCRYPTION AS SELECT 1 ‘