sql server2000的存储过程被加密,解密

2022-07-15 80酷酷网 80kuku.com

　　server|存储过程|加密|解密

/*
执行：
sp_decrypt '你要查看的存储过程'
*/

[separator]

use master
go
if exists(select 1 from sysobjects where xtype='p' and name='sp_decrypt')
drop proc sp_decrypt
go
CREATE PROCEDURE sp_decrypt(objectname varchar(50))
AS
begin
set nocount on
--CSDN：j9988 copyright:2004.07.15
--V3.2
--破解字节不受限制，适用于SQLSERVER2000存储过程，函数，视图，触发器
--修正上一版"视图触发器"不能正确解密错误
--发现有错，请E_MAIL：
begin tran
declare objectname1 varchar(100),orgvarbin varbinary(8000)
declare sql1 nvarchar(4000),sql2 varchar(8000),sql3 nvarchar(4000),sql4 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<
begin
if exists(select 1 from syscomments where id=object_id(objectname) and )
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'
begin
declare parent_obj varchar(255),tr_parent_xtype varchar(10)
select parent_obj=parent_obj from sysobjects where id=object_id(objectname)
select tr_parent_xtype=xtype from sysobjects where
if tr_parent_xtype='V'
begin
set sql1='ALTER TRIGGER ON '+OBJECT_NAME(parentid)+' WITH ENCRYPTION INSTERD OF INSERT AS PRINT 1 '
end
else
begin
set sql1='ALTER TRIGGER ON '+OBJECT_NAME(parentid)+' WITH ENCRYPTION FOR INSERT AS PRINT 1 '
end

end
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 WITH ENCRYPTION AS SELECT 1 as f'

set q=len(sql1)
set sql1=sql1+REPLICATE('-',4000-q)
select sql2=REPLICATE('-',8000)
set sql3='exec(sql1'
select colid=max(colid) from #temp where
set n=1
while n<=CEILING(1.0*(colid-1)/2) and len(sql3)<=3996
begin
set sql3=sql3+'+'
set n=n+1
end
set sql3=sql3+')'
exec sp_executesql sql3,N'sql1 nvarchar(4000), varchar(8000)',sql1=sql1,=sql2

end
set k=k+1
end

set k=0
while k<
begin

if exists(select 1 from syscomments where id=object_id(objectname) and )
begin
select colid=max(colid) from #temp where
set n=1

while n<
begin
select OrigSpText1=ctext,encrypted=encrypted,status=status FROM #temp WHERE and

SET OrigSpText3=(SELECT ctext FROM syscomments WHERE id=object_id(objectname) and and )
if n=1
begin
if type='P'
SET OrigSpText2=(case when number>1 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'
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'
begin

if tr_parent_xtype='V'
begin
set OrigSpText2='CREATE TRIGGER ON '+OBJECT_NAME(parentid)+' WITH ENCRYPTION INSTEAD OF INSERT AS PRINT 1 '
end
else
begin
set OrigSpText2='CREATE TRIGGER ON '+OBJECT_NAME(parentid)+' WITH ENCRYPTION FOR INSERT AS PRINT 1 '
end

end

if type='V'
set OrigSpText2='CREATE VIEW WITH ENCRYPTION AS SELECT 1 as f'

set q=4000-len(OrigSpText2)
set OrigSpText2=OrigSpText2+REPLICATE('-',q)
end
else
begin
SET OrigSpText2=REPLICATE('-', 4000)
end
SET i=1

SET resultsp = replicate(N'A', (datalength(OrigSpText1) / 2))

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

set n=n+1

end

end
set k=k+1
end

drop table #temp
rollback tran
end