批量刪除MSSQL被掛JS木馬語句

declare

@delstr
varchar(8000
)set
@delstr='
'set nocount on
declare
@tablename
nvarchar(100),@columnname
nvarchar(100),@tbid
int,@irow
int,@iresult
intdeclare
@sql
nvarchar(500
)set
@iresult=0
declare cur cursor
forselect name,id from sysobjects where xtype='u
'open
curfetch
next
from cur into
@tablename,@tbid
while
@@fetch_status=0
begin
declare cur1 cursor
for--
xtype in (231,167,239,175,99,35) 為char,varchar,nchar,nvarchar,ntext,text型別
select name from syscolumns where xtype in (231,167,239,175,99,35) 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+'
%'''
--update tablename set fielda=replace(cast(fielda as varchar(8000)) ,'aa','bb')這樣的語句。
exec sp_executesql @sql
set@irow
=@@rowcount
set@iresult
=@iresult
+@irow
if@irow
>
0begin
print'表：
'+@tablename+'
,列:'
+@columnname+'
被更新'
+convert(varchar(10),@irow)+
'條記錄;
'end
fetch
next
from cur1 into
@columnname
endclose
cur1
deallocate
cur1
fetch
next
from cur into
@tablename,@tbid
endprint
'資料庫共有'+
convert(varchar(10),@iresult)+
'條記錄被更新!!!
'close
curdeallocate
curset nocount off

上面就是批量刪除資料庫中所有字串後面被掛js木馬的批量刪除語句，記錄下。

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