On April 2021, one of the most known Ransomware Gang called Babuk, decided to change the way they ask for ransom: no more double extortion, no more file encryption but just data exfiltration and a later announcement in case of no deal with the victim. It’s a nice move forward for a Ransomware Gang that, […]
Read more "Babuk Ransomware: The Builder"Reverse Engineering is one of the most clear path to study Malware and Threat Attribution, by RE you are intimately observe in the developer mind figuring out techniques and, from time to time, even intents. My current role as a CEO of a mid-sized organization (thousands of people) tries to keep me away from RE, […]
Read more "The Allegedly Ryuk Ransomware builder: #RyukJoke"Before getting in the following Blog Post I would suggest you to read the “Part 1” of MuddyWater Binder Project which is available HERE, where you might contestualize the Code Highlights. Source Code Highlights Now it’s time to get into more core pieces of code. Let’s start with the file ConnectionHandler.cswhich is implementing the logic […]
Read more "MuddyWater: Binder Project (Part 2)"After serveral months (actually 15) from the Cybersecurity Observatory launch (you can find it HERE) I experienced a huge increment of classified Malware from the end of January 2021. The following picture shows how the average samples frequency is just more than twice if compared to the beginning of the month and to the past […]
Read more "Malware Family Surface 2021 (Q1)"Today Yoroi released its last cybersecurity report (available HERE). Following I am copying one of its chapters to give you a little flawor about what you can get for free by downloading it ! Hope you might like its contents. The volume of the malicious code produced and disseminated in the wild is constantly increasing. […]
Read more "0-Day Malware (2020)"Detection is a key point in threat hunting. During the past few weeks, stright in the middle of the winter “holidays” (well, maybe if you live in a place where no COVID-19 lockdown was involved), many people re/started a studying program on cybersecurity. Some of them wrote to me asking if there is a way […]
Read more "C2 Traffic Patterns: Personal Notes"Once upon a time the Malware, the main actor in the entire infection chain. A single file, once executed it was able to perform the tasks it was designed for, forcing the target machine into victim by taking control or simply execuritying desired (sometime priviledged) commands. In 2010, during my PhD studies, I was already […]
Read more "Malware Delivery Platforms in 2020"