Cybersecurity

Uncorking Old Wine: Zero-Day from 2017 + Cobalt Strike Loader in Unholy Alliance

Executive Summary The Deep Instinct Threat Lab discovered a suspected targeted operation against Ukraine The operation is using CVE-2017-8570 as the initial vector The operation could not be attributed to any known threat actor The operation used a custom loader for Cobalt Strike Beacon Deep Instinct is detecting all stages of the attack Campaign Overview […]

Cybersecurity

President Biden Blocks Mass Transfer of Personal Data to High-Risk Nations

U.S. President Joe Biden has issued an Executive Order that prohibits the mass transfer of citizens’ personal data to countries of concern. The Executive Order also “provides safeguards around other activities that can give those countries access to Americans’ sensitive data,” the White House said in a statement. This includes sensitive information such as genomic […]

Cybersecurity

Behind the Scenes: JaskaGO’s Coordinated Strike on macOS and Windows

Executive summary In recent developments, a sophisticated malware stealer strain crafted in the Go programming language has been discovered by AT&T Alien Labs, posing a severe threat to both Windows and macOS operating systems. As of the time of publishing of this article, traditional antivirus solutions have low or even non-existent detection rates, making it […]

Cybersecurity

Over the Kazuar’s Nest: Cracking Down on a Freshly Hatched Backdoor Used by Pensive Ursa (Aka Turla)

Executive Summary While tracking the evolution of Pensive Ursa (aka Turla, Uroburos), Unit 42 researchers came across a new, upgraded variant of Kazuar. Not only is Kazuar another name for the enormous and dangerous cassowary bird, Kazuar is an advanced and stealthy .NET backdoor that Pensive Ursa usually uses as a second stage payload. Pensive […]