A Peek Into Muddled Libra’s Operational Playbook

During a September 2025 incident response investigation, Unit 42 discovered a rogue virtual machine (VM) which they believe with high confidence to be used by the cybercrime group Muddled Libra (aka Scattered Spider, UNC3944). The contents of this rogue VM Read More …

Approaching cyclone: Vortex Werewolf attacks Russia

In December 2025 and January 2026, BI.ZONE Threat Intelligence detected malicious activity by a new cluster Vortex Werewolf (SkyCloak). The attacks targeted Russian government and defense organizations. BI.ZONE researchers findings indicate that the adversary used phishing emails to deliver malware Read More …

The Chrysalis Backdoor: A Deep Dive into Lotus Blossom’s toolkit

Rapid7 Labs, together with the Rapid7 MDR team, has uncovered a sophisticated campaign attributed to the Chinese APT group Lotus Blossom. Active since 2009, the group is known for its targeted espionage campaigns primarily impacting organizations across Southeast Asia and Read More …

Russia-linked APT28 attackers already abusing new Microsoft Office zero-day

Russia-linked attackers are already exploiting Microsoft’s latest Office zero-day, with Ukraine’s national cyber defense team warning that the same bug is being used to target government agencies inside the country and organizations across the EU. In an alert published on Read More …

North Korean Labyrinth Chollima is morphing into three separate entities

One of the largest and most successful North Korean state-sponsored threat actors has split into three separate entities, each with their own tactics, malware tools, targets, and goals, experts have warned. In a recent in-depth analysis, researchers from CrowdStrike expalined Read More …

HoneyMyte updates CoolClient and deploys multiple stealers in recent campaigns

Over the past few years, we’ve been observing and monitoring the espionage activities of HoneyMyte (aka Mustang Panda or Bronze President) within Asia and Europe, with the Southeast Asia region being the most affected. The primary targets of most of Read More …

PeckBirdy: A Versatile Script Framework for LOLBins Exploitation Used by China-aligned Threat Groups

Since 2023, Trend Micro researchers have been observing threat campaigns employing a previously unseen script-based command-and-control (C&C) framework which we named PeckBirdy, being used against Chinese gambling industries, as well as malicious activities targeting Asian government entities and private organizations. Read More …

Researchers say Russian government hackers were behind attempted Poland power outage

A failed December effort to bring down parts of Poland’s energy grid was the work of Russian government hackers known for causing past energy disruptions, according to a security research firm that investigated the incident. Last week, Polish Energy Minister Read More …

North Korean Kimsuky Actors Leverage Malicious QR Codes in Spearphishing Campaigns Targeting U.S. Entities

The Federal Bureau of Investigation (FBI) is releasing this FLASH to alert NGOs, think tanks, academia, and other foreign policy experts with a nexus to North Korea of evolving tactics employed by the North Korean state-sponsored cyber threat group Kimsuky Read More …

The HoneyMyte APT evolves with a kernel-mode rootkit and a ToneShell backdoor

In mid-2025, Kaspersky researchers identified a malicious driver file on computer systems in Asia. The driver file is signed with an old, stolen, or leaked digital certificate and registers as a mini-filter driver on infected machines. Its end-goal is to Read More …