Vulnerabilities and exploits

Research

Windows CLFS and five exploits used by ransomware operators

We had never seen so many CLFS driver exploits being used in active attacks before, and then suddenly there are so many of them captured in just one year. Is there something wrong with the CLFS driver? Are all these vulnerabilities similar? These questions encouraged me to take a closer look at the CLFS driver and its vulnerabilities.

Reports

ToddyCat: your hidden email assistant. Part 1

Kaspersky experts analyze the ToddyCat APT attacks targeting corporate email. We examine the new version of TomBerBil, the TCSectorCopy and XstReader tools, and methods for stealing access tokens from Outlook.

Crypto wasted: BlueNoroff’s ghost mirage of funding and jobs

Kaspersky GReAT experts dive deep into the BlueNoroff APT’s GhostCall and GhostHire campaigns. Extensive research detailing multiple malware chains targeting macOS, including a stealer suite, fake Zoom and Microsoft Teams clients and ChatGPT-enhanced images.

Mem3nt0 mori – The Hacking Team is back!

Kaspersky researchers discovered previously unidentified commercial Dante spyware developed by Memento Labs (formerly Hacking Team) and linked it to the ForumTroll APT attacks.