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Steflan’s Security Blog
CTF Walkthroughs, Hack The Box

Hack The Box – Atom Walkthrough

Introduction

This was an intermediate Windows machine that involved exploiting a vulnerability in Electron-Builder to gain initial access, a clear-text Redis password, and a vulnerability in Portable Kanban to decrypt the administrator password and escalate privileges.

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July 12, 2021 | by Stefano Lanaro | Leave a comment
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CTF Walkthroughs, TryHackMe

TryHackMe – Attacktive Directory Walkthrough

Introduction

This was an intermediate Windows machine that involved enumerating an active directory domain, using ASREPRoasting to obtain initial access, and performing a DCSync attack to escalate privileges to Administrator-level access.

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July 9, 2021 | by Stefano Lanaro | Leave a comment
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CTF Walkthroughs, TryHackMe

TryHackMe – Retro Walkthrough

Introduction

This was a Windows machine that required to enumerate a WordPress instance to identify user credentials and remotely authenticate via RDP and exploit the Windows COM Vulnerability to escalate privileges to SYSTEM.

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July 8, 2021 | by Stefano Lanaro | Leave a comment
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CTF Walkthroughs, Hack The Box

Hack The Box – Ophiuchi Walkthrough

Introduction

This was an intermediate Linux machine that involved exploiting a deserialization vulnerability in the SnakeYaml parser to gain initial access, and a misconfigured WebAssembly binary with Sudo permissions set to escalate privileges to root.

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July 5, 2021 | by Stefano Lanaro | Leave a comment
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CTF Walkthroughs, Hack The Box

Hack The Box – Spectra Walkthrough

Introduction

This was an easy Linux machine that involved finding database credentials contained in a backup WordPress instance to gain initial access and exploiting the /sbin/initctl binary with Sudo permissions to escalate privileges to root.

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June 28, 2021 | by Stefano Lanaro | Leave a comment
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CTF Walkthroughs, TryHackMe

TryHackMe – LazyAdmin Walkthrough

Introduction

This was an easy Linux machine that involved exploiting a backup disclosure issue in SweetRice CMS to gain remote execution and a misconfigured script with root permissions to escalate privileges to root.

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June 19, 2021 | by Stefano Lanaro | Leave a comment
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Buffer Overflow, CTF Walkthroughs, Guides, Stack Buffer Overflow, TryHackMe

TryHackMe – Gatekeeper Walkthrough

Introduction

This was an intermediate Windows machine that involved exploiting a stack buffer overflow vulnerability to gain initial access and dumping and decrypting Mozilla Firefox credentials stored on the box to escalate privileges to system.

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June 18, 2021 | by Stefano Lanaro | Leave a comment
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CTF Walkthroughs, Hack The Box

Hack The Box – Nineveh Walkthrough

Introduction

This was an intermediate Linux machine that involved chaining a local file inclusion and remote code execution vulnerability to gain initial access, and exploiting an issue with the Chkrootkit software to escalate privileges.

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June 16, 2021 | by Stefano Lanaro | Leave a comment
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Buffer Overflow, CTF Walkthroughs, Guides, Stack Buffer Overflow, TryHackMe

TryHackMe – Brainstorm Walkthrough

Introduction

This was an intermediate Linux machine that involved exploiting a stack buffer overflow vulnerability to gain SYSTEM level access to the box.

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June 15, 2021 | by Stefano Lanaro | Leave a comment
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CTF Walkthroughs, TryHackMe

TryHackMe – RootMe Walkthrough

Introduction

This was an easy Linux machine that involved exploiting a vulnerable file upload functionality to gain initial access and Python with the SetUID bit assigned to it to escalate privileges to root.

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June 15, 2021 | by Stefano Lanaro | Leave a comment
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  • About StefLan Security

    I am a penetration tester and cyber security / Linux enthusiast.

    Through this blog, I would like to share my passion for penetration testing, hoping that this might be of help for other students and professionals out there. I will be more than glad to exchange ideas with other fellow pentesters and enthusiasts.

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    • TryHackMe – Nax Walkthrough April 8, 2024