Threat Research Blog

Who doesn’t like a good bedtime story from Grandma? In today’s landscape, more and more organizations are turning to intelligent chatbots or large language models (LLMs) to boost service quality...

Following research conducted by a colleague of mine [1] at CyberArk Labs, I better understood NVMe-oF/TCP. This kernel subsystem exposes INET socket(s), which can be a fruitful attack surface for...

Over the past few years, we’ve seen a huge increase in the adoption of identity security  solutions. Since these types of solutions help protect against a whole range of password-guessing and...

Introduction Welcome, fellow travelers of the Cosmos! While we may not be traversing the stars on a spaceship, we are all interconnected through the powerful network of blockchains. Unfortunately,...

Introduction This is the final installment of the blog series “A Deep Dive into Penetration Testing of macOS Applications.” Previously, we discussed the structure of macOS applications and their...

Abstract The Play ransomware group is one of the most successful ransomware syndicates today. All it takes is a quick peek with a disassembler to know why this group has become infamous. This is...

TL;DR Whether working at home or in the office, when conducting cybersecurity research, investigating the dark web forums or engaging with any dangerous part of the internet, staying safe is...

As vulnerability researchers, our primary mission is to find as many vulnerabilities as possible with the highest severity as possible. Finding vulnerabilities is usually challenging. But could...

Introduction In this blog, we will discuss innovative rootkit techniques on a non-traditional architecture, Windows 11 on ARM64. In the prior posts, we covered rootkit techniques applied to a...

Introduction This is the second part of the “A Deep Dive into Penetration Testing of macOS Application” blog series. In the first part, we learned about macOS applications and their structure and...

Introduction As many of us know, there are a lot of guides and information on penetration testing applications on Windows and Linux. Unfortunately, a step-by-step guide doesn’t exist in the macOS...

TL;DR In this post, we’re going to learn how Foundry can be used to write a proof of concept (PoC) for uninitialized smart contract vulnerabilities. We will take a look at and exploit a simple...

Recently, a new trend has emerged in the world of ransomware: intermittent encryption, the partial encryption of targeted files. Many ransomware groups, such as BlackCat and Play, have adopted...

Know Your Enemy In the previous post (Part 1), we covered several rootkit technique implementations. Now we will focus on kernel rootkit analysis, looking at two case studies of rootkits found in...

In the previous blog post, we described how the Docker research started and showed how we could gain a full privilege escalation through a vulnerability in Docker Desktop. In this follow-up blog...

CyberArk Malware Research Team Abstract CyberArk Labs discovered a new malware called Vare that is distributed over the popular chatting service, Discord. Vare has been used to target new malware...

Abstract Once threat actors gain a foothold on a system, they must implement techniques to maintain that access, even in the event of restarts, updates in credentials or any other type of change...