hacktricks/network-services-pentesting/1080-pentesting-socks.md

# 1080 - Pentesting Socks

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## Basic Information

SOCKS is an Internet protocol that exchanges network packets between a client and server through a proxy server. SOCKS5 optionally provides authentication,\
so only authorized users may access a server.

Practically, a SOCKS server proxies TCP connections to an arbitrary IP address, and provides a means for UDP packets to be forwarded.\
SOCKS performs at Layer 5 of the OSI model

**Default Port:** 1080

## Enumeration

### Authentication Check

```bash
nmap -p 1080 <ip> --script socks-auth-info
```

### Brute Force

#### Basic usage

```bash
nmap --script socks-brute -p 1080 <ip>
```

#### Advanced usage

```bash
nmap  --script socks-brute --script-args userdb=users.txt,passdb=rockyou.txt,unpwdb.timelimit=30m -p 1080 <ip>
```

#### Output

```
PORT     STATE SERVICE
1080/tcp open  socks
| socks-brute:
|   Accounts
|     patrik:12345 - Valid credentials
|   Statistics
|_    Performed 1921 guesses in 6 seconds, average tps: 320
```

## Tunneling and Port Forwarding

### Basic proxychains usage

Setup proxy chains to use socks proxy

```
nano /etc/proxychains4.conf
```

Edit the bottom and add your proxy

```
socks5 10.10.10.10 1080
```

With auth

```
socks5 10.10.10.10 1080 username password
```

#### More info: [Tunneling and Port Forwarding](../generic-methodologies-and-resources/tunneling-and-port-forwarding.md)

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