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reCAPTCHA = REcognize CAPTCHA: A Burp Suite Extender that recognize CAPTCHA and use for intruder payload 自动识别图形验证码并用于burp intruder爆破模块的插件

Java 99.42% Python 0.58%
burp-extensions burp-plugin captcha intruder burpsuite recaptcha recognize-captcha recognizes-images

recaptcha's Introduction

reCAPTCHA

一个burp插件,自动识别图形验证码,并用于Intruder中的Payload。

使用

安装:

  1. 这里下载插件。
  2. 将它添加到burp。如果没有遇到错误,你将看到一个新的名为“reCAPTCHA”的tab。

准备:

  1. 通过burp代理访问目标网站的登录界面。

  2. 在proxy中找到获取图形验证码的请求,选中它并点击右键选择“Send to reCAPTCHA”,这个请求的信息将被发送到reCAPTCHA。

    Send to

  3. 切换到reCAPTCHA标签,并配置所需的参数。当参数配置好后,你可以点击“请求”按钮来测试配置。

  4. http://www.ysdm.net 的API是目前唯一支持的接口,其中的各项参数需要自行注册帐号并填写,才能成功调用接口完成图片的识别。该API需要的参数如下,请用正确的值替换%s ,特别注意typeid值的设定(http://www.ysdm.net/home/PriceType)。

    username=%s&password=%s&typeid=%s

在Intruder中使用:

完成了配置并测试成功后,现在可以在Intruder中使用该插件生成的payload了。有2种情况:用户名或密码之一+验证码;用户名+密码+验证码;

情况一:只有密码或只有用户名需要改变,我们可以用Pitchfork 模式来配置。

比如,已知系统存在一个用户admin,来爆破该用户,插入点标记如下,

index_condition1_mark

payload 1我们从文件中加载,这个不必多说。

payload 2 选择“Extension-Generated”.

index_condition1_mark_payload2

运行效果如下:

index_condition1

情况二:用户名和口令都需要改变,这个稍微复杂点。我们还是使用Pichfork模式,但需要将用户名和密码一起标注为一个插入点。像这样:img

payload 1 使用“自定义迭代器(Custom interator)”。并在迭代器中组合用户名和密码。

在该例子中,即 position 1为用户名,position 2 为“&j_password=”,postion 3为密码。

index1

payload 2 的配置和情况一中的配置完全一样。

运行效果如图:

index_mark2

reCAPTCHA界面截图

screenshot

日志

2017-11-01:第一个demo版本发布。

2018-07-02:支持GSA Captcha Breaker

2018-08-07:支持https://www.jsdati.com

2019-07-14:优化错误输错,便于issue排查

2020-06-13:实现自己的HTTP请求方法,支持代理,以便调试发现问题;重写myjsdati.java

FAQ

1、关于"Response cannot be null"错误

插件使用了burp的请求函数,如果提示“Response cannot be null”表明burp无法访问该请求。请检查你的网络情况和其他超时等设置,该问题无法彻底解决。

请尝试开启“Use Self Api with proxy”选项,并将proxy设置为burp代理,然后再试,可以到burp的history中查看请求,以便排查问题。

作者

bit4woo@勾陈安全

同类项目

https://github.com/c0ny1/captcha-killer

https://github.com/Releasel0ck/reCAPTCHA

Burp插件微信交流群:wechat_group

recaptcha's People

Contributors

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recaptcha's Issues

获取图形验证码失败

获取图形验证码一直提示返回包位null,换了好几个网站的图形验证码都是这个结果。

怎么导入

可以讲解一下怎么导入吗,前面都是导的jar包

匹配不到正确的验证码

burp1.7.34 用V0.8抓不到验证码,用V0,7就没问题。但是在暴力破解的时候总是匹配不到正确的验证码,提示验证码错误。

Met an error

java.lang.NullPointerException:Response cannot be null

失败了 java.lang.NullPointerException: Response cannot be null

http://47.110.86.5:9999
GET /index.php?g=api&m=checkcode&a=index&length=4&font_size=22&width=248&height=42&use_noise=1&use_curve=0&refresh=0.6600757433620807&refresh=0.21375486171371927&refresh=0.4042291609691442 HTTP/1.1
Host: 47.110.86.5:9999
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36
DNT: 1
Accept: image/webp,image/apng,image/,/*;q=0.8
X-Forwarded-For: 36.5.192.76
Client-IP: 36.5.192.76
Referer: http://47.110.86.5:9999/index.php?g=admin&m=public&a=login
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9,en;q=0.8
Cookie: PHPSESSID=au83hdof17fc29g08n7mre14j6
Connection: close
X-Forwarded-For:208.117.216.68

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