--- title: Lian_Yu — TryHackMe Walkthrough | daily.dev description: A step-by-step walkthrough of the Lian_Yu beginner CTF room on TryHackMe. The process covers Nmap scanning to identify open services, directory brute-forcing... canonical: https://daily.dev/posts/lian-yu-tryhackme-walkthrough-onjz1q3mj twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Lian_Yu — TryHackMe Walkthrough | daily.dev og:description: A step-by-step walkthrough of the Lian_Yu beginner CTF room on TryHackMe. The process covers Nmap scanning to identify open services, directory brute-forcing... og:url: https://daily.dev/posts/lian-yu-tryhackme-walkthrough-onjz1q3mj og:image: https://api.daily.dev/og/posts/onJz1Q3Mj.png og:image:alt: Lian_Yu — TryHackMe Walkthrough og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Lian_Yu — TryHackMe Walkthrough **[InfoSec Write-ups](https://daily.dev/sources/infosecwriteups)** · 6 min read · 0 upvotes · 0 comments ## Summary A step-by-step walkthrough of the Lian_Yu beginner CTF room on TryHackMe. The process covers Nmap scanning to identify open services, directory brute-forcing with dirsearch to find hidden web paths, extracting Base58-encoded FTP credentials from a .ticket file, downloading and analyzing image files via steganography (steghide) and hex editing to recover SSH credentials, and finally escalating to root using pkexec via GTFOBins. ## Full article daily.dev links to this article rather than hosting it. 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I Just Listened.](https://daily.dev/posts/tryhackme-bounty-hacker-the-ftp-server-was-talking-i-just-listened--1cj3npkmf) · InfoSec Write-ups · 0 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security) [View this post on daily.dev](https://daily.dev/posts/lian-yu-tryhackme-walkthrough-onjz1q3mj) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Lian_Yu — TryHackMe Walkthrough","url":"https://daily.dev/posts/lian-yu-tryhackme-walkthrough-onjz1q3mj","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/lian-yu-tryhackme-walkthrough-onjz1q3mj"},"datePublished":"2026-04-14T16:44:51.763Z","dateModified":"2026-04-14T16:47:11.746Z","description":"A step-by-step walkthrough of the Lian_Yu beginner CTF room on TryHackMe. 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