CTF Writeups, Walkthroughs & Videos

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RegreSSHion (2006's OpenSSH Vuln is Back Again)

OpenSSH Zero-Day Vulnerability (CVE-2024-6387) A new zero-day vulnerability, “RegreSSHion”, allows Remote Code Execution (RCE) with root privileges due to a signal handler race condition. This regression of CVE-2006-5051 was inadvertently reintroduced in an update. An attacker can exploit it by repeatedly connecting without authenticating, aiming for a precise timing window. Versions 4.4p1 and earlier Detection and Mitigation Oligo ADR can detect abnormal behaviour, including exploitation attempts. Prioritize patching or using workarounds on OpenSSH servers running on glibc-based Linux systems to mitigate this high-risk vulnerability....

03/07/2024 · 2 min · 299 words · Ash

Python Ollama File

Reading Local Files with Python and Ollama In this tutorial, we’ll walk through how to read local files using Python in conjunction with ollama, a tool that enables interaction with AI models on your local system. Whether you’re a beginner or looking to integrate AI locally, this guide will help you get started. Requirements Before diving in, ensure you have the following set up: Python Installation: If you haven’t installed Python yet, you can easily do so on Windows by using Win-get install Python....

29/06/2024 · 4 min · 693 words · Ash

Cyber Security for Beginners

Cyber Security for Beginners: Your Ultimate Guide Cyber security can seem daunting with the vast amount of information available. As a beginner, it can be challenging to know where to start. In this guide, we’ll cover the three most important areas of cyber security. Stick around to the end for some free resources to help you dive deeper. What is Cyber Security? A simple way to describe cyber security is protecting people and their computers from bad actors and their malicious activities....

20/06/2024 · 3 min · 601 words · Ash
Migrate From Google Workspace to Personal Gmail Image

Migrate From Google Workspace to Personal Gmail

Ah, the eternal quest to save some extra coin. Inflation, am I right? So, the latest target on my budget hit list? Google Workspace. I’ve been a loyal user of Google Workspace for years. Back when it was called G Suite, those were the days, weren’t they? But now, for me, there’s hardly any difference between Workspace and free Gmail. So, it’s time to migrate from Google Workspace to a personal Gmail account....

10/06/2024 · 4 min · 724 words · Ash

How To Install Kali Linux VirtualBox

Welcome to the blog. Let’s get you started with Kali Linux. We’ll download VirtualBox which runs virtual machines (VM). Then we’ll get Kali Linux, and setup the VM. Download VirtualBox Head to VirtualBox.org to download the latest version of VirtualBox. Get the right version for your operating system (Windows, Mac, Linux, etc.). Download Kali Linux Next, get Kali Linux itself. Visit get-kali to find a pre-made VM. Check the architecture (32-bit or 64-bit)....

07/06/2024 · 2 min · 221 words · Ash