Question

ASP后门如何删除

查出这个文件里有后门,但看不明白,有请高手指点

<%@ CodePage=65001 Language="VBScript"%>
<%
Option Explicit
Response.Buffer = True
%>
<%
' FCKeditor - The text editor for Internet - http://www.fckeditor.net
' Copyright (C) 2003-2009 Frederico Caldeira Knabben
'
' == BEGIN LICENSE ==
'
' Licensed under the terms of any of the following licenses at your
' choice:
'
' - GNU General Public License Version 2 or later (the "GPL")
' http://www.gnu.org/licenses/gpl.html
'
' - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
' http://www.gnu.org/licenses/lgpl.html
'
' - Mozilla Public License Version 1.1 or later (the "MPL")
' http://www.mozilla.org/MPL/MPL-1.1.html
'
' == END LICENSE ==
'
' This is the File Manager Connector for ASP.
%>
<!--#include file="config.asp"-->
<!--#include file="util.asp"-->
<!--#include file="io.asp"-->
<!--#include file="basexml.asp"-->
<!--#include file="commands.asp"-->
<!--#include file="class_upload.asp"-->
<%

If ( ConfigIsEnabled = False ) Then
SendError 1, "This connector is disabled. Please check the ""editor/filemanager/connectors/asp/config.asp"" file"
End If

DoResponse

Sub DoResponse()
Dim sCommand, sResourceType, sCurrentFolder

' Get the main request information.
sCommand = Request.QueryString("Command")

sResourceType = Request.QueryString("Type")
If ( sResourceType = "" ) Then sResourceType = "File"

sCurrentFolder = GetCurrentFolder()

' Check if it is an allowed command
if ( Not IsAllowedCommand( sCommand ) ) then
SendError 1, "The """ & sCommand & """ command isn't allowed"
end if

' Check if it is an allowed resource type.
if ( Not IsAllowedType( sResourceType ) ) Then
SendError 1, "Invalid type specified"
end if

' File Upload doesn't have to Return XML, so it must be intercepted before anything.
If ( sCommand = "FileUpload" ) Then
FileUpload sResourceType, sCurrentFolder, sCommand
Exit Sub
End If

SetXmlHeaders

CreateXmlHeader sCommand, sResourceType, sCurrentFolder, GetUrlFromPath( sResourceType, sCurrentFolder, sCommand)

' Execute the required command.
Select Case sCommand
Case "GetFolders"
GetFolders sResourceType, sCurrentFolder
Case "GetFoldersAndFiles"
GetFoldersAndFiles sResourceType, sCurrentFolder
Case "CreateFolder"
CreateFolder sResourceType, sCurrentFolder
End Select

CreateXmlFooter

Response.End
End Sub

%>

Answer 1

参考 　　——韩寒评部分国人指责台球冠军丁俊晖的教育方式有问题。