TryHackMe Brains Challenge Walkthrough
The TryHackMe Brains Challenge involves a two-part cybersecurity exercise where participants hack into a box and investigate the aftermath. The first part focuses on exploiting vulnerabilities in a TeamCity server to gain access, while the second part utilizes Splunk for forensic analysis. This walkthrough provides detailed steps for both red team and blue team activities.
- ▪Participants start by hacking into a TeamCity server using an authentication bypass exploit.
- ▪After gaining access, they escalate privileges to root by executing sudo commands.
- ▪In the investigation phase, users analyze logs in Splunk to identify malicious activities and backdoor users.
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| Original publisher | DEV.to (Top) |
| Canonical URL | https://dev.to/frank_a_64393c6f49a90e428/tryhackme-brains-challenge-walkthrough-4cij |
| Publication time | Wed, 20 May 2026 09:25:43 +0000 |
| Retrieval time | 2026-05-20T09:35:01.414Z |
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3536761) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Frank A Posted on May 20 TryHackMe Brains Challenge Walkthrough #cybersecurity #tutorial So this is the Brains room on TryHackMe. Its a two part challenge, you hack into a box (red team) and then you investigate what happened (blue team). Pretty cool combo actually. Here's my video walkthrough if you wanna follow along: Part 1: Hacking the Box First thing, start the machine and grab the IP address.
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