Writeup: Advent of Cyber 4 Day 5

Advent of Cyber 4 - Day 5

Link: Advent Of Cyber 4 on TryHackMe

Question 1

Use Hydra to find the VNC password of the target with IP address $MACHINE_IP. What is the password?

We run nmap in service discovery mode like so: nmap -sS $IP to check that VNC is running on the machine.

We then run hydra to find the password for mark: hydra -P /usr/share/wordlists/rockyou.txt $IP vnc

Answer: 1q2w3e4r

Question 2

Using a VNC client on the AttackBox, connect to the target of IP address MACHINE_IP. What is the flag written on the target’s screen?

We use Remmina:

We enter the password that we found before:

We then find the password:

Answer: THM{I_SEE_YOUR_SCREEN}