批量清除被挂马的MSSQL数据库代码,MSSQL代码库,德仔网

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【MSSQL】批量清除被挂马的MSSQL数据库

作者:Dezai.CN / 发布于2011/9/14/ 745

<div>declare @delStr varchar(8000)
set @delStr='<script src=http://abc.com/abc.js"></script>'
set nocount on
declare @tableName nvarchar(100),@columnName nvarchar(100),@tbID int,@iRow int,@iResult int
declare @sql nvarchar(500)
set @iResult=0
declare cur cursor for
select name,id from sysobjects where xtype='U'
open cur
fetch next from cur into @tableName,@tbID
while @@fetch_status=0
begin
declare cur1 cursor for
select name from syscolumns where xtype in (231,167,239,175,99) and id=@tbID
open cur1
fetch next from cur1 into @columnName
while @@fetch_status=0
begin
set @sql='update [' + @tableName + '] set ['+ @columnName +']= replace(cast(['+@columnName+'] as varchar

(8000)),'''+@delStr+''','''') where ['+@columnName+'] like ''%'+@delStr+'%''' 
exec sp_executesql @sql 
set @iRow=@@rowcount
set @iResult=@iResult+@iRow
if @iRow>0
begin
print '表：'+@tableName+',列:'+@columnName+'被更新'+convert(varchar(10),@iRow)+'条记录;'
end 
fetch next from cur1 into @columnName
end
close cur1
deallocate cur1
fetch next from cur into @tableName,@tbID
end
print '数据库共有'+convert(varchar(10),@iResult)+'条记录被更新!!!'
close cur
deallocate cur
set nocount off</div>

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