ASP网站中数据库被挂木马的解决方案

<!--#include file="conn.asp"-->  <%  Server.ScriptTimeOut=180 Set rstSchema = conn.OpenSchema(20)  k=1  Do Until rstSchema.EOF '遍历数据库表  If rstSchema("TABLE_TYPE")="TABLE" Then  response.write K&".<font color=red><b>"&rstSchema("TABLE_NAME") & "</b></font>:" '显示表名Set rs=Server.CreateObject("ADODB.Recordset")  sql="select * from [" & rstSchema("TABLE_NAME")&"]"  rs.open sql,conn,1,3 For i=0 to rs.fields.count-1 '遍历表中字段If int(rs(i).Type)=129   or int(rs(i).Type)=130 or int(rs(i).Type)=200 or int(rs(i).Type)=201 or int(rs(i).Type)=202 or int(rs(i).Type)=203 Then'只处理字段类型为字符型的字段  conn.execute("update ["&rstSchema("TABLE_NAME")&"] set "&rs(i).name&" =replace(cast("&rs(i).name&"   as varchar(8000)),'这里放入JS木马内容','')") response.write rs(i).name &" "&rs(i).Type &" "'显示执行过的字段名。  End If  Next  response.write "<br>"  End If  rstSchema.MoveNext  kk=k+1  Loop  response.Write "执行成功"  %> 

Function Cheack_Sqljs()'防止数据库外链JS注入:true为发现外链JS注入。  Dim F_Post,F_Get  Cheack_Sqljs=False  If Request.Form<>"" Then'表单提交时的检测For Each F_Post In Request.Form If (Instr(LCase(Request.Form(F_Post)),  "<script")<>0 or Instr(LCase(Request.Form(F_Post)),"</script>")<>0)   and Instr(LCase(Request.Form(F_Post)),"http://")<>0 Then  Cheack_Sqljs=True  Exit For  End If  Next  End If  If Request.QueryString<>"" Then'QueryString提交时的检测For Each F_Get In Request.QueryString   If (Instr(LCase(Request.Form(F_Get)),"<script")<>0 orInstr(LCase(Request.Form(F_Get)),"</script>")<>0)   and Instr(LCase(Request.Form(F_Get)),"http://")<>0 Then  Cheack_Sqljs=True  Exit For  End If  Next  End If  End Function  Function CheckDataFrom()'检查提交数据来源：True为数据从站外提交过来的  CheckDataFrom=True  server_v1=Cstr(Request.ServerVariables("HTTP_REFERER")) server_v2=Cstr(Request.ServerVariables("SERVER_NAME"))   if mid(server_v1,8,len(server_v2))<>server_v2 then  CheckDataFrom=False  end if  End Function  If Cheack_Sqljs or CheckDataFrom Then  Response.Write "<Script Language=JavaScript>alert('禁止执行，非法操作。');</Script>" Response.End()  End If