Post

Meow

Connect to Starting Point VPN before starting the machine:

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└─$ sudo openvpn starting_point_YrnCollo.ovpn

Nmap results

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└─$ nmap -sV -sC -T4 10.129.57.107               
Starting Nmap 7.92 ( https://nmap.org ) at 2022-09-22 14:22 EAT
Nmap scan report for 10.129.57.107
Host is up (0.31s latency).
Not shown: 996 closed tcp ports (conn-refused)
PORT      STATE    SERVICE        VERSION
23/tcp    open     telnet         Linux telnetd
1057/tcp  filtered startron
3370/tcp  filtered satvid-datalnk
32770/tcp filtered sometimes-rpc3
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 64.21 seconds

Task 1

What does the acronym VM stand for?

Answer: Virtual Machine

Task 2

What tool do we use to interact with the operating system in order to issue commands via the command line, such as the one to start our VPN connection? It’s also known as a console or shell.

Answer: Shell

Task 3

What service do we use to form our VPN connection into HTB labs?

Answer: openvpn

Task 4

What is the abbreviated name for a 'tunnel interface' in the output of your VPN boot-up sequence output?

Answer: Tun

Task 5

What tool do we use to test our connection to the target with an ICMP echo request?

Answer: ping

Task 6

What is the name of the most common tool for finding open ports on a target?

Answer: nmap

Task 7

What service do we identify on port 23/tcp during our scans?

Answer: Telnet

Task 8

What username is able to log into the target over telnet with a blank password?

Answer: root

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$ telnet 10.129.57.107                                                                                                                                              1 ⨯
Trying 10.129.57.107...
Connected to 10.129.57.107.
Escape character is '^]'.

  █  █         ▐▌     ▄█▄ █          ▄▄▄▄
  █▄▄█ ▀▀█ █▀▀ ▐▌▄▀    █  █▀█ █▀█    █▌▄█ ▄▀▀▄ ▀▄▀
  █  █ █▄█ █▄▄ ▐█▀▄    █  █ █ █▄▄    █▌▄█ ▀▄▄▀ █▀█

Meow login: root
Welcome to Ubuntu 20.04.2 LTS (GNU/Linux 5.4.0-77-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

  System information as of Thu 22 Sep 2022 11:26:05 AM UTC

  System load:           0.0
  Usage of /:            41.7% of 7.75GB
  Memory usage:          4%
  Swap usage:            0%
  Processes:             147
  Users logged in:       0
  IPv4 address for eth0: 10.129.57.107
  IPv6 address for eth0: dead:beef::250:56ff:feb9:f05

 * Super-optimized for small spaces - read how we shrank the memory
   footprint of MicroK8s to make it the smallest full K8s around.

   https://ubuntu.com/blog/microk8s-memory-optimisation

75 updates can be applied immediately.
31 of these updates are standard security updates.
To see these additional updates run: apt list --upgradable


The list of available updates is more than a week old.
To check for new updates run: sudo apt update

Last login: Mon Sep  6 15:15:23 UTC 2021 from 10.10.14.18 on pts/0
root@Meow:~#

Proof/flags

ifconfig

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root@Meow:~# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.129.57.107  netmask 255.255.0.0  broadcast 10.129.255.255
        inet6 dead:beef::250:56ff:feb9:f05  prefixlen 64  scopeid 0x0<global>
        inet6 fe80::250:56ff:feb9:f05  prefixlen 64  scopeid 0x20<link>
        ether 00:50:56:b9:0f:05  txqueuelen 1000  (Ethernet)
        RX packets 2663  bytes 196762 (196.7 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1718  bytes 99654 (99.6 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

Root flag

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root@Meow:~# cat flag.txt 
b40abdfe****66***c61ecba***a4c19
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