Recently (On March 18 2023 at 23:44), a new malspam campaign has been observed in the wild ( HERE ), which caused a significant amount of concern. This campaign is designed to distribute malicious emails, which contain a harmful payload that can infect a user’s system, steal sensitive information, or launch other types of attacks. […]
Read more "Reversing Emotet Dropping Javascript"Inroduction ChatGPT or more generally speaking OpenAI is an incredible tool. It is a spectacular instrument helping people in many different fields, it helps people to summarize text, to produce poem, to build images and music, to answer to difficult questions and to automatize complex processes. So I decided to dedicate an entire blog-post to […]
Read more "Threat Actors Sheets: OpenAI Generated !"Initial Access Brokers (IAB) are still the main way cyber criminals use to get access to their next target, but in 2022, as never before, I saw an increment of exploited vulnerabilities used by threat actors as initial vector or escalation vector. This behavior highlights the rise of a new skill-set belonging with specific actors […]
Read more "Most Exploited Vulnerabilities in 2022"Introduction Today I’d like to share a quick analysis initiated during a threat hunting process. The first observable was found during hunting process over OSINT sources, the entire infrastructure was still up and running during the analyses as well as malicious payload were downloadable. Analysis My first observable was a zipped text file compressing a […]
Read more "Is Hagga Threat Actor (ab)using FSociety framework ?"Introduction We are living difficult times. From pandemic to Russia-Ukraine war. I was tempt to let a white post for remembering such a devastating times in my personal web corner, but I came out with the idea to remember these times by analyzing an involved sample in current cyber-conflicts. I start looking for Malware and […]
Read more "A Malware Analysis in RU-AU conflict"Many security researchers, professional cybersecurity analysts and cybsec organizations realized great analyses on DiskKill (HermeticWiper), some of my favorite are HERE, HERE and HERE. Today what I’d like to do, is to focus on specific HermeticWiper characteristics and looking for similarities (or differences) to another similar (and well known) cyber attack happened in Ukraine few […]
Read more "DiskKill/HermeticWiper and NotPetya (Dis)similarities"APT28, also known as Sofacy Group is an (in)famous threat actor. It is a cyber espionage group believed to have ties to the Russian government. Likely operating since 2007, the group is known to target government, military, and security organizations and it has been characterized as an advanced persistent threat over the past years from […]
Read more "APT28 SKINNYBOY: Cheat Sheet"Ransomware are today very effective and they cause serious problems in many companies, we hear almost everyday entire businesses under ransom and companies who loose turnover and opportunities since have no available data to deal with. For such a reson I feel like I have to contribute in somehow to the community by giving what […]
Read more "CONTI Ransomware: Cheat Sheet"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"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)"