New Tool Set Found Used Against Organizations in the Middle East, Africa and the US

Unit 42 researchers observed a series of apparently related attacks against organizations in the Middle East, Africa and the U.S. The researchers will discuss a set of tools used in the course of the attacks that reveal clues about the Read More …

Over the Kazuar’s nest: Cracking down on a freshly hatched backdoor used by Pensive Ursa

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 Read More …

Money-making scripts attack organizations

In April of this year, the FBI published an advisory on attacks targeting government, law enforcement, and non-profit organizations. Attackers download scripts onto victims’ devices, delivering several types of malware all at once. The main aim is to utilize company Read More …

Carderbee: APT Group use Legit Software in Supply Chain Attack Targeting Orgs in Hong Kong

A previously unknown advanced persistent threat (APT) group used the legitimate Cobra DocGuard software to carry out a supply chain attack with the goal of deploying the Korplug backdoor (aka PlugX) onto victim computers. In the course of this attack, Read More …

Hibernating Qakbot: A Comprehensive Study and In-depth Campaign Analysis

In the ever-evolving landscape of cyber threats, banking trojans continue to pose a significant risk to organizations worldwide. Among them, Qakbot, also known as QBot or Pinkslipbot, stands out as a highly sophisticated and persistent malware active since 2007, targeting Read More …

FIN8 Uses Revamped Sardonic Backdoor to Deliver Noberus Ransomware

Symantec’s Threat Hunter Team, a part of Broadcom, recently observed the Syssphinx (aka FIN8) cyber-crime group deploying a variant of the Sardonic backdoor to deliver the Noberus ransomware. While analysis of the backdoor revealed it to be part of the Read More …

Detecting BPFDoor Backdoor Variants Abusing BPF Filters

Advanced persistent threat (APT) groups have broadened their focus to include Linux and cloud servers in the past few years. Noticeable examples include ransomware groups targeting VMware ESXi servers, Mirai botnet variants, and groups targeting the cloud with stealers and Read More …

Graphican: Flea uses new backdoor in attacks targeting Foreign Ministries

The Flea (aka APT15, Nickel) advanced persistent threat (APT) group continued to focus on foreign ministries in a recent attack campaign that ran from late 2022 into early 2023 in which it leveraged a new backdoor called Backdoor.Graphican. This campaign Read More …

New PowerExchange malware backdoors Microsoft Exchange servers

A new PowerShell-based malware dubbed PowerExchange was used in attacks linked to APT34 Iranian state hackers to backdoor on-premise Microsoft Exchange servers. After infiltrating the mail server via a phishing email containing an archived malicious executable, the threat actors deployed Read More …