> 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/kerberos/kerberos-observation-with-wireshark.md).
# Observación de Kerberos con Wireshark
### Observando una autenticación
Abrimos Wireshark y luego nos conectamos con un usuario, por ejemplo:
```
user1
```
En Wireshark, puedes filtrar el tráfico Kerberos con:
```
kerberos
```
Luego observamos los intercambios:
```bash
AS-REQ
AS-REP
TGS-REQ
TGS-REP
```
### Ejemplo con acceso a un recurso compartido sin permisos
Desde `user2`, intentamos acceder a un recurso compartido administrativo:
```
cd //WS01/C$
```
En Wireshark, podemos observar:
```
TGS-REQ
TGS-REP
Acceso SMB denegado
```
Esto significa que:
1. el usuario solicita un ticket de servicio;
2. el KDC emite el ticket;
3. el ticket se presenta al servidor;
4. el servidor deniega el acceso debido a permisos SMB o NTFS.
### Ticket y autenticador
Al acceder a un servicio, el cliente generalmente envía:
* un ticket de servicio;
* un autenticador.
El ticket demuestra que el KDC autorizó el acceso al servicio.
El autenticador demuestra que el cliente es efectivamente quien usa el ticket.
---
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