We are excited to announce that our colleague Joseliyo Sánchez, will be at Labscon to present our workshop: Advanced Threat Hunting: Automating Large-Scale Operations with LLMs. This workshop is a joint effort with SentinelOne and their researcher, Aleksandar Milenkoski. In…
Tag: VirusTotal Blog
Uncovering a Colombian Malware Campaign with AI Code Analysis
VirusTotal Code Insight keeps adding new file formats. This time, we’re looking at two vector-based formats from very different eras: SWF and SVG. Curiously, right after we rolled out this update in production, one of the very first submitted files…
Integrating Code Insight into Reverse Engineering Workflows
More than two years have passed since we announced the launch of Code Insight at RSA 2023. From that time on, we have been applying this technology in different scenarios, expanding its use in new file formats (1, 2). As we…
What 17,845 GitHub Repos Taught Us About Malicious MCP Servers
Spoiler: VirusTotal Code Insight’s preliminary audit flagged nearly 8% of MCP (Model Context Protocol) servers on GitHub as potentially forged for evil, though the sad truth is, bad intentions aren’t required to follow bad practices and publish code with critical…
YARA-X 1.0.0: The Stable Release and Its Advantages
Short note for everyone who already lives and breathes YARA: Victor (aka plusvic) just launched YARA-X 1.0.0. Full details: https://virustotal.github.io/yara-x/blog/yara-x-is-stable/ Audio version of this post, created with NotebookLM Deep Dive Your browser does not support the audio element. What changes…
Code Insight Expands to Uncover Risks Across the Software Supply Chain
When we launched Code Insight, we started by analyzing PowerShell scripts. Since then, we have been continuously expanding its capabilities to cover more file types. Today, we announce that Code Insight can now analyze a broader range of formats crucial…
Applying AI Analysis to PDF Threats
In our previous post we extended VirusTotal Code Insights to browser extensions and supply-chain artifacts. A key finding from that analysis was how our AI could apply contextual knowledge to its evaluation. It wasn’t just analyzing code in isolation, it…
Code Insight Expands to Uncover Risks Across the Software Supply Chain
Audio version of this post, created with NotebookLM Deep Dive Your browser does not support the audio element. When we launched Code Insight, we started by analyzing PowerShell scripts. Since then, we have been continuously expanding its capabilities to cover…
YARA-X 1.0.0: The Stable Release and Its Advantages
Audio version of this post, created with NotebookLM Deep Dive Your browser does not support the audio element. Short note for everyone who already lives and breathes YARA: Victor (aka plusvic) just launched YARA-X 1.0.0. Full details: https://virustotal.github.io/yara-x/blog/yara-x-is-stable/ What changes…
What 17,845 GitHub Repos Taught Us About Malicious MCP Servers
Audio version of this post, created with NotebookLM Deep Dive Your browser does not support the audio element. Spoiler: VirusTotal Code Insight’s preliminary audit flagged nearly 8% of MCP (Model Context Protocol) servers on GitHub as potentially forged for evil,…
Research that builds detections
Note: You can view the full content of the blog here. Introduction Detection engineering is becoming increasingly important in surfacing new malicious activity. Threat actors might take advantage of previously unknown malware families – but a successful detection of certain…
Important Update: IP Address Change for VirusTotal
We’re making a change to the IP address for www.virustotal.com. If you’re currently whitelisting our IP address in your firewall or proxy, you’ll need to update your rules to maintain access to VirusTotal. Starting November 25th, we’ll be gradually transitioning…
Important Update: IP Address Change for VirusTotal
We’re making a change to the IP address for www.virustotal.com. If you’re currently whitelisting our IP address in your firewall or proxy, you’ll need to update your rules to maintain access to VirusTotal. Starting November 25th, we’ll be gradually transitioning…
Unveiling Hidden Connections: JA4 Client Fingerprinting on VirusTotal
VirusTotal has incorporated a powerful new tool to fight against malware: JA4 client fingerprinting. This feature allows security researchers to track and identify malicious files based on the unique characteristics of their TLS client communications. JA4: A More Robust Successor…
Unveiling Hidden Connections: JA4 Client Fingerprinting on VirusTotal
VirusTotal has incorporated a powerful new tool to fight against malware: JA4 client fingerprinting. This feature allows security researchers to track and identify malicious files based on the unique characteristics of their TLS client communications. JA4: A More Robust Successor…
VirusTotal AI-Generated Conversations: Threat Intel Made Easy
At VirusTotal, we’re constantly exploring new ways to make threat intelligence more digestible and available to a wider audience. Our latest effort leverages the power of AI to create easily understood audio discussions from technical information. Using Google NotebookLM’s innovative…
VirusTotal AI-Generated Conversations: Threat Intel Made Easy
At VirusTotal, we’re constantly exploring new ways to make threat intelligence more digestible and available to a wider audience. Our latest effort leverages the power of AI to create easily understood audio discussions from technical information. Using Google NotebookLM’s innovative…
Leveraging LLMs for Malware Analysis: Insights and Future Directions
By Gerardo Fernández, Joseliyo Sánchez and Vicente Díaz Malware analysis is (probably) the most expert-demanding and time-consuming activity for any security professional. Unfortunately automation for static analysis has always been challenging for the security industry. The sheer volume and complexity…
Exploring the VirusTotal Dataset | An Analyst’s Guide to Effective Threat Research
By Aleksandar Milenkoski (SentinelOne) and Jose Luis Sánchez Martínez VirusTotal stores a vast collection of files, URLs, domains, and IPs submitted by users worldwide. It features a variety of functionalities and integrates third-party detection engines and tools to analyze the…
VirusTotal += Huorong
We welcome Huorong anti-malware engine to VirusTotal. In the words of the company: “Huorong is a Chinese information security company founded in 2011, which has been committed to the research and development of endpoint security products. Huorong anti-malware engine utilizes…