# 194,6667,6660-7000 - Pentesting IRC
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## Basic Information
IRC, initially a **plain text protocol**, was assigned **194/TCP** by IANA but is commonly run on **6667/TCP** and similar ports to avoid needing **root privileges** for operation.
A **nickname** is all that's needed to connect to a server. Following connection, the server performs a reverse-DNS lookup on the user's IP.
Users are divided into **operators**, who need a **username** and **password** for more access, and regular **users**. Operators have varying levels of privileges, with administrators at the top.
**Default ports:** 194, 6667, 6660-7000
```
PORT STATE SERVICE
6667/tcp open irc
```
## Enumeration
### Banner
IRC can support **TLS**.
```bash
nc -vn
openssl s_client -connect : -quiet
```
### Manual
Here you can see how to connect and access the IRC using some **random nickname** and then enumerate some interesting info. You can learn more commands of IRC [here](https://en.wikipedia.org/wiki/List\_of\_Internet\_Relay\_Chat\_commands#USERIP).
```bash
#Connection with random nickname
USER ran213eqdw123 0 * ran213eqdw123
NICK ran213eqdw123
#If a PING : is responded you need to send
#PONG :
VERSION
HELP
INFO
LINKS
HELPOP USERCMDS
HELPOP OPERCMDS
OPERATOR CAPA
ADMIN #Admin info
USERS #Current number of users
TIME #Server's time
STATS a #Only operators should be able to run this
NAMES #List channel names and usernames inside of each channel -> Nombre del canal y nombre de las personas que estan dentro
LIST #List channel names along with channel banner
WHOIS #WHOIS a username
USERHOST #If available, get hostname of a user
USERIP #If available, get ip of a user
JOIN #Connect to a channel
#Operator creds Brute-Force
OPER
```
You can, also, atttempt to login to the server with a password. The default password for ngIRCd is `wealllikedebian`.
```bash
PASS wealllikedebian
NICK patrick
USER test1 test2 :test3
```
### **Find and scan IRC services**
```bash
nmap -sV --script irc-botnet-channels,irc-info,irc-unrealircd-backdoor -p 194,6660-7000
```
### [Brute Force](../generic-methodologies-and-resources/brute-force.md#irc)
### Shodan
* `looking up your hostname`
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Support HackTricks
* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
* **Join the** 💬 [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** us on **Twitter** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks\_live)**.**
* **Share hacking tricks by submitting PRs to the** [**HackTricks**](https://github.com/carlospolop/hacktricks) and [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github repos.
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