North Korean attackers use malicious blogs to deliver malware to high-profile South Korean targets

By Jung soo An and Asheer Malhotra, with contributions from Kendall McKay. Cisco Talos has observed a new malware campaign operated by the Kimsuky APT group since June 2021.Kimsuky, also known as Thallium and Black Banshee, is a North Korean state-sponsored advanced... This is only the beginning!...

Microsoft Issues Patches for Actively Exploited Excel, Exchange Server 0-Day Bugs

Microsoft has released security updates as part of its monthly Patch Tuesday release cycle to address 55 vulnerabilities across Windows, Azure, Visual Studio, Windows Hyper-V, and Office, including fixes for two actively exploited zero-day flaws in Excel and Exchange Server that could be abused t...

Zebra2104 Initial Access Broker Supports Rival Malware Gangs, APTs

Three separate threat groups are all using a common initial access broker IAB to enable their cyberattacks, according to researchers – a finding that has revealed a tangled web of related attack infrastructure underpinning disparate and in some cases rival malware campaigns. The BlackBerry Resear...

Latest Report Uncovers Supply Chain Attacks by North Korean Hackers

Lazarus Group, the advanced persistent threat APT group attributed to the North Korean government, has been observed waging two separate supply chain attack campaigns as a means to gain a foothold into corporate networks and target a wide range of downstream entities. The latest...

Lazarus Attackers Turn to the IT Supply Chain

Lazarus – a North Korean advanced persistent threat APT group – is working on launching cyberespionage-focused attacks on supply chains with its multi-platform MATA framework. The MATA malware framework can target three operating systems: Windows, Linux and macOS. MATA has historically been used ...

APT trends report Q3 2021

For more than four years, the Global Research and Analysis Team GReAT at Kaspersky has been publishing quarterly summaries of advanced persistent threat APT activity. The summaries are based on our threat intelligence research and provide a representative snapshot of what we have published and...

SolarWinds APT Targets Tech Resellers in Latest Supply-Chain Cyberattacks

The SolarWinds attackers – an advanced persistent threat APT known as Nobelium – have started a new wave of supply-chain intrusions, this time using the technology reseller/service provider community to attack their targets. The activity has affected victims in North America and Europe thus far,...

'Lone Wolf' Hacker Group Targeting Afghanistan and India with Commodity RATs

A new malware campaign targeting Afghanistan and India is exploiting a now-patched, 20-year-old flaw affecting Microsoft Office to deploy an array of commodity remote access trojans RATs that allow the adversary to gain complete control over the compromised endpoints. Cisco Talos attributed the...

LightBasin Hackers Breach at Least 13 Telecom Service Providers Since 2019

A highly sophisticated adversary named LightBasin has been identified as behind a string of attacks targeting the telecom sector with the goal of collecting "highly specific information" from mobile communication infrastructure, such as subscriber information and call metadata. "The nature of the...

Fresh APT Harvester Reaps Telco, Government Data

A previously unseen advanced persistent threat APT group dubbed Harvester by researchers is attacking telcos, IT companies and government-sector targets in a campaign that’s been ongoing since June. According to a Symantec analysis, the group sports a veritable cornucopia of advanced and custom...

Podcast: Could the Zoho Flaw Trigger SolarWinds 2.0?

A month ago, the FBI, CISA and the U.S. Coast Guard Cyber Command CGCYBER warned that state-backed advanced persistent threat APT actors are likely among those who’d been actively exploiting a critical flaw in a Zoho-owned single sign-on and password management tool since early August. At issue w...

Tenacity 2.0 – Emulating Threat groups

Introduction The previous article: Tenacity – An Adversary Emulation Tool for Persistence, walked us through the working of Tenacity, techniques it supports, and how it can help organizations and individuals to validate the risk posture. As with the second installment of the series, this post wil...

Microsoft patches a vulnerability that was used in MysterySnail RAT Campaign

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. An APT espionage campaign leveraged a zero-day exploit for Microsoft Windows to escalate privileges and obtain access to Windows servers. The exploit chain culminated in the installation of a newly discovered remote access...

SAS 2021: Fireside chat with Chris Bing

How to build up a fascinating story from a hardcore APT report? Where to find details and how to work with information sources? Sitting by the virtual fireside, Brian Bartholomew Kaspersky GReAT and Christopher Bing Reuters will discuss how malware researchers and investigative journalists can he...

SAS 2021: Operation Software Concepts

During the Operation Software Concepts: A Beautiful Envelope for Wrapping Weapon talk on SAS-at-Home 2021, Rintaro Koike, Shogo Hayashi and Ryuichi Tanabe from NTT Security Japan will cover a new APT campaign named Operation Software Concepts. They will share details about this multi-stage attack...

Iranian APT is targeting Middle Eastern Aerospace and Telecommunications companies

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here. ShellClient is a powerful new Remote Access Trojan RAT that was used in highly targeted attacks on a select few Aerospace and Telecommunications firms, primarily in the Middle East, with other victims in the United States,...

Iranian Hackers Abuse Dropbox in Cyberattacks Against Aerospace and Telecom Firms

Details have emerged about a new cyber espionage campaign directed against the aerospace and telecommunications industries, primarily in the Middle East, with the goal of stealing sensitive information about critical assets, organizations' infrastructure, and technology while remaining in the dar...

A New APT Hacking Group Targeting Fuel, Energy, and Aviation Industries

A previously undocumented threat actor has been identified as behind a string of attacks targeting fuel, energy, and aviation production industries in Russia, the U.S., India, Nepal, Taiwan, and Japan with the goal of stealing data from compromised networks. Cybersecurity company Positive...

New APT ChamelGang Targets Russian Energy, Aviation Orgs

A new APT group has emerged that’s specifically targeting the fuel and energy complex and aviation industry in Russia, exploiting known vulnerabilities like Microsoft Exchange Server’s ProxyShell and leveraging both new and existing malware to compromise networks. Researchers at security firm...

New Tomiris Backdoor Found Linked to Hackers Behind SolarWinds Cyberattack

Cybersecurity researchers on Wednesday disclosed a previously undocumented backdoor likely designed and developed by the Nobelium advanced persistent threat APT behind last year's SolarWinds supply chain attack, joining the threat actor's ever-expanding arsenal of hacking tools...