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75 lines
2.3 KiB
Markdown
75 lines
2.3 KiB
Markdown
# 194,6667,6660-7000 - Pentesting IRC
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{{#include ../banners/hacktricks-training.md}}
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## 基本信息
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IRC，最初是一个**纯文本协议**，由IANA分配了**194/TCP**，但通常在**6667/TCP**和类似端口上运行，以避免需要**root权限**进行操作。
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连接到服务器只需要一个**昵称**。连接后，服务器会对用户的IP进行反向DNS查找。
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用户分为**操作员**和普通**用户**，操作员需要**用户名**和**密码**以获得更多访问权限。操作员的权限级别各不相同，管理员位于最高层。
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**默认端口：** 194, 6667, 6660-7000
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```
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PORT STATE SERVICE
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6667/tcp open irc
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```
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## 枚举
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### 横幅
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IRC 可以支持 **TLS**。
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```bash
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nc -vn <IP> <PORT>
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openssl s_client -connect <IP>:<PORT> -quiet
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```
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### 手动
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在这里，您可以看到如何使用一些 **随机昵称** 连接和访问 IRC，然后枚举一些有趣的信息。您可以在 [这里](https://en.wikipedia.org/wiki/List_of_Internet_Relay_Chat_commands#USERIP) 学习更多 IRC 命令。
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```bash
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#Connection with random nickname
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USER ran213eqdw123 0 * ran213eqdw123
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NICK ran213eqdw123
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#If a PING :<random> is responded you need to send
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#PONG :<received random>
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VERSION
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HELP
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INFO
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LINKS
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HELPOP USERCMDS
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HELPOP OPERCMDS
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OPERATOR CAPA
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ADMIN #Admin info
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USERS #Current number of users
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TIME #Server's time
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STATS a #Only operators should be able to run this
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NAMES #List channel names and usernames inside of each channel -> Nombre del canal y nombre de las personas que estan dentro
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LIST #List channel names along with channel banner
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WHOIS <USERNAME> #WHOIS a username
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USERHOST <USERNAME> #If available, get hostname of a user
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USERIP <USERNAME> #If available, get ip of a user
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JOIN <CHANNEL_NAME> #Connect to a channel
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#Operator creds Brute-Force
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OPER <USERNAME> <PASSWORD>
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```
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您还可以尝试使用密码登录服务器。ngIRCd 的默认密码是 `wealllikedebian`。
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```bash
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PASS wealllikedebian
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NICK patrick
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USER test1 test2 <IP> :test3
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```
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### **查找和扫描IRC服务**
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```bash
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nmap -sV --script irc-botnet-channels,irc-info,irc-unrealircd-backdoor -p 194,6660-7000 <ip>
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```
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### [暴力破解](../generic-hacking/brute-force.md#irc)
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### Shodan
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- `查找您的主机名`
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{{#include ../banners/hacktricks-training.md}}
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