需求过滤的特别字符及字符串有:
net user
xp_cmdshell
/add
exec master.dbo.xp_cmdshell
net localgroup administrators
select
count
Asc
char
mid
'
:
"
insert
delete from
drop table
update
truncate
from
%
If Trim(Request.QueryString) <> "" Then strTemp = strTemp & "?" & Trim(Request.QueryString)
strTemp = LCase(strTemp)
If Instr(strTemp,"select%20") or Instr(strTemp,"insert%20") or Instr(strTemp,"delete%20from") or Instr(strTemp,"count(") or Instr(strTemp,"drop%20table") or Instr(strTemp,"update%20") or Instr(strTemp,"truncate%20") or Instr(strTemp,"asc(") or Instr(strTemp,"mid(") or Instr(strTemp,"char(") or Instr(strTemp,"xp_cmdshell") or Instr(strTemp,"exec%20master") or Instr(strTemp,"net%20localgroup%20administrators") or Instr(strTemp,":") or Instr(strTemp,"net%20user") or Instr(strTemp,"'") or Instr(strTemp,"%20or%20") then
Response.Write "<script language='javascript'>"
Response.Write "alert('不法地址!!');"
Response.Write "location.href='error.asp';"
Response.Write "<script>"
End If
%>
[CODE END]