Siloscape: First Known Malware Targeting Windows Containers to Compromise Cloud Environments

In March 2021, I uncovered the first known malware targeting Windows containers, a development that is not surprising given the massive surge in cloud adoption over the past few years. I named the malware Siloscape (sounds like silo escape) because Read More …

Operation TunnelSnake

Formerly unknown rootkit used to secretly control networks of regional organizations Windows rootkits, especially those operating in kernel space, are pieces of malware infamous for their near absolute power in the operating system. Usually deployed as drivers, such implants have Read More …

Zero-day vulnerability in Desktop Window Manager (CVE-2021-28310) used in the wild

While analyzing the CVE-2021-1732 exploit originally discovered by the DBAPPSecurity Threat Intelligence Center and used by the BITTER APT group, we discovered another zero-day exploit we believe is linked to the same actor. We reported this new exploit to Microsoft Read More …

FBI nuked web shells from hacked Exchange Servers without telling owners

A court-approved FBI operation was conducted to remove web shells from compromised US-based Microsoft Exchange servers without first notifying the servers’ owners. On March 2nd, Microsoft released a series of Microsoft Exchange security updates for vulnerabilities actively exploited by a Read More …

Hacking group used 11 zero-days to attack Windows, iOS, Android users

Project Zero, Google’s zero-day bug-hunting team, discovered a group of hackers that used 11 zero-days in attacks targeting Windows, iOS, and Android users within a single year. The Project Zero team revealed that the hacking group behind these attacks ran Read More …