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 % 下面是我写的两种关于解决注入式攻击的防范代码,供大家学习参考!
js版的防范SQL注入式攻击代码~:
[CODE START] <script language="javascript"> <!-- var url = location.search; var re=/^\?(.*)(select%20|insert%20|delete%20from%20|count\(|drop%20table |update%20truncate%20|asc\(|mid\(|char\(|xp_cmdshell|exec%20master |net%20localgroup%20administrators|\"|:|net%20user|\'|%20or%20)(.*)$/gi; var e = re.test(url); if(e) { alert("地址中含有非法字符~"); location.href="error.asp"; } //--> <script> [CODE END] asp版的防范SQL注入式攻击代码~:
[CODE START] <% On Error Resume Next Dim strTemp
If LCase(Request.ServerVariables("HTTPS")) = "off" Then strTemp = "http://" Else strTemp = "https://" End If
strTemp = strTemp & Request.ServerVariables("SERVER_NAME") If Request.ServerVariables("SERVER_PORT") <> 80 Then strTemp = strTemp & ":" & Request.ServerVariables("SERVER_PORT")
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('非法地址!!');" Response.Write "location.href='error.asp';" Response.Write "<script>" End If %> [CODE END] C# 检查字符串,防SQL注入攻击