PassiveNeuron: a sophisticated campaign targeting servers of high-profile organizations

Back in 2024, Kaspersky researchers gave a brief description of a complex cyberespionage campaign that we dubbed “PassiveNeuron”. This campaign involved compromising the servers of government organizations with previously unknown APT implants, named “Neursite” and “NeuralExecutor”. However, since its discovery, Read More …

Phantom Taurus: A New Chinese Nexus APT and the Discovery of the NET-STAR Malware Suite

Phantom Taurus is a previously undocumented nation-state actor whose espionage operations align with People’s Republic of China (PRC) state interests. Over the past two and a half years, Unit 42 researchers have observed Phantom Taurus targeting government and telecommunications organizations Read More …

Notes of cyber inspector: three clusters of threat in cyberspace

Hacktivism and geopolitically motivated APT groups have become a significant threat to many regions of the world in recent years, damaging infrastructure and important functions of government, business, and society. In late 2022 Kaspersky predicted that the involvement of hacktivist Read More …

Deception in Depth: PRC-nexus espionage campaign hijacks web traffic to target diplomats

This blog post presents Google Threat Intelligence Group (GTIG) findings and analysis of this espionage campaign, as well as the evolution of the threat actor’s operational capabilities. GTIG examine how the malware is delivered, how the threat actor utilized social Read More …

FBI: Russian Government Cyber Actors Targeting Networking Devices, Critical Infrastructure

The Federal Bureau of Investigation (FBI) is warning the public, private sector, and international community of the threat posed to computer networks and critical infrastructure by cyber actors attributed to the Russian Federal Security Service’s (FSB) Center 16. The FBI Read More …

Hackers breach and expose a major North Korean spying operation

Hackers claim to have compromised the computer of a North Korean government hacker and leaked its contents online, offering a rare window into a hacking operation by the notoriously secretive nation. The two hackers, who go by Saber and cyb0rg, Read More …

New Ransomware Charon Uses Earth Baxia APT Techniques to Target Enterprises

Trend Micro researchers recently identified a new ransomware family called Charon, deployed in a targeted attack observed in the Middle East’s public sector and aviation industry. The threat actor employed a DLL sideloading technique notably similar to tactics previously documented Read More …

From ClickFix to Command: A Full PowerShell Attack Chain

The FortiMail Workspace Security team recently identified a targeted intrusion campaign impacting multiple Israeli organizations. The adversary leveraged compromised internal email infrastructure to distribute phishing messages across the regional business landscape. These emails initiated a multi-stage, PowerShell-based infection chain that Read More …

Denmark energy cyber attack highlights infrastructure security gaps

November 2023 saw an unprecedented cyber attack on Denmark’s energy infrastructure. In a co-ordinated breach of 22 companies, criminal gangs gained access to industrial control systems. Investigators believe at least one of the attackers was acting on behalf of a Read More …

Frozen in transit: Secret Blizzard’s AiTM campaign against diplomats

Microsoft Threat Intelligence has uncovered a cyberespionage campaign by the Russian state actor we track as Secret Blizzard that has been targeting embassies located in Moscow using an adversary-in-the-middle (AiTM) position to deploy their custom ApolloShadow malware. ApolloShadow has the Read More …