Malware analysis

Malware Spotlight: What is APT?

Introduction For some things, the whole is greater than the sum of its parts. When it comes to cybersecurity, this saying is an appropriate description of Ad

Malware overview – Graboid

Introduction In October 2019, security researchers from Unit 42 at Palo Alto Networks discovered a new malware called Graboid. It is a cryptojacking malware

Malware Spotlight: What are wipers?

Introduction Imagine showing up to work and sitting down at your computer on an average day. You turn the computer on, take a sip of coffee, and find that yo

Malware spotlight: What are botnets?

Introduction They say simple plans are the most likely to be successful, and this adage definitely carries over to the world of cybersecurity. This old sayin

Understanding if statements in C

“If” statements in C programming are used to execute a block of statements if a certain condition is true. They allow programmers to control the execution of

Malware spotlight: Point of sale malware

Introducing point of sale malware Point of sale (PoS) systems are the payment devices that you can find at almost any store. Depending on their level of soph

Malware spotlight: Crypto-jacking

Introduction In this article, we will explore crypto-jacking, a growing malware-based epidemic in the cryptocurrency realm. Before understanding this threat,

Malware spotlight: Malvertising

Introduction: The impact of malicious ads One of the most deceptive ways cybercriminals use to distribute malicious software (malware) is malvertising. This

Inside the Ryuk ransomware

What is Ryuk? Ryuk is a ransomware sample that has been making the rounds recently. It is designed to be used in targeted attacks and has no ability to move

Understanding variables in C

Variables in C are data storage units that reserve space in the memory. There are different types of variables. Each type requires different amounts of memor