The third quarter threat report is here—and it’s packed with answers. Our Threat Labs team had uncovered some heavy stories behind the stats, exposing the relentless tactics shaping today’s threat landscape. Here’s what you need to know: 614% explosion in Scam-Yourself Attacks: Over 2 million users were protected from FakeCaptcha scams, where fake tutorials, phony fixes, and malicious CAPTCHA...
Latest articles from Avast Threat Labs
As digital currencies have grown, so have cryptocurrency scams, posing significant user risks. The rise of AI and deepfake technology has intensified scams exploiting famous personalities and events by creating realistic fake videos. Platforms like X and YouTube have been especially targeted, with scammers hijacking high-profile accounts to distribute fraudulent content. This report delves into...
Researchers from Avast have discovered a flaw in the cryptographic schema of the DoNex ransomware and its predecessors. In cooperation with law enforcement organizations, we have been silently providing the decryptor to DoNex ransomware victims since March 2024. The cryptographic weakness was made public at Recon 2024 and therefore we have no reason to keep this secret anymore. DoNex and...
Latest articles from Avast Engineering
Following our guide about regular expressions, we present a new unique tool that can help you with a creation of such expressions, mainly for those used in the YARA Cuckoo module. To fully understand the benefits of our new open-source project, we first expand our knowledge about regular expressions in the Cuckoo module, share resources that can come in handy, and explain how to...
For the fifth post of the Know Your YARA Rules series, we want to create a comprehensive manual for regular expressions that would improve your YARA rules. Why is it so complicated? When discussing regular expressions, we must first address the elephant in the room. Regular expressions can get complicated rather quickly, mainly because they often look like winners in obfuscation games rather...
In the third post of the Know Your YARA Rules series, we mentioned that something is cooking up in the YARA world. In this post, we will investigate what the future holds for the YARA tool and its users. We are introducing the next generation of the YARA tool – YARA-X. Motivation YARA has recently celebrated its 15th anniversary (calculated from the first commit in the...
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