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Lazarus Group Targeting Defense Experts with Fake Interviews via Trojanized VNC Apps

Lazarus Group Targeting Defense Experts with Fake Interviews via Trojanized VNC Apps

Oct 18, 2023 Cyber Attack / Malware
The North Korea-linked  Lazarus Group  (aka Hidden Cobra or TEMP.Hermit) has been observed using trojanized versions of Virtual Network Computing (VNC) apps as lures to target the defense industry and nuclear engineers as part of a long-running campaign known as  Operation Dream Job . "The threat actor tricks job seekers on social media into opening malicious apps for fake job interviews," Kaspersky  said  in its APT trends report for Q3 2023. "To avoid detection by behavior-based security solutions, this backdoored application operates discreetly, only activating when the user selects a server from the drop-down menu of the trojanized VNC client." Once launched by the victim, the counterfeit app is designed to retrieve additional payloads, including a known Lazarus Group malware dubbed  LPEClient , which comes fitted with capabilities to profile compromised hosts. Also deployed by the adversary is an updated version of  COPPERHEDGE , a backdoor known for runn
Dozens of Severe Flaws Found in 4 Popular Open Source VNC Software

Dozens of Severe Flaws Found in 4 Popular Open Source VNC Software

Nov 23, 2019
Four popular open-source VNC remote desktop applications have been found vulnerable to a total of 37 security vulnerabilities, many of which went unnoticed for the last 20 years and most severe could allow remote attackers to compromise a targeted system. VNC (virtual network computing) is an open source graphical desktop sharing protocol based on RFB (Remote FrameBuffer) that allows users to remotely control another computer, similar to Microsoft's RDP service. The implementation of the VNC system includes a "server component," which runs on the computer sharing its desktop, and a "client component," which runs on the computer that will access the shared desktop. In other words, VNC allows you to use your mouse and keyboard to work on a remote computer as if you are sitting in front of it. There are numerous VNC applications, both free and commercial, compatible with widely used operating systems like Linux, macOS, Windows, and Android. Considering
Making Sense of Operational Technology Attacks: The Past, Present, and Future

Making Sense of Operational Technology Attacks: The Past, Present, and Future

Mar 21, 2024Operational Technology / SCADA Security
When you read reports about cyber-attacks affecting operational technology (OT), it's easy to get caught up in the hype and assume every single one is sophisticated. But are OT environments all over the world really besieged by a constant barrage of complex cyber-attacks? Answering that would require breaking down the different types of OT cyber-attacks and then looking back on all the historical attacks to see how those types compare.  The Types of OT Cyber-Attacks Over the past few decades, there has been a growing awareness of the need for improved cybersecurity practices in IT's lesser-known counterpart, OT. In fact, the lines of what constitutes a cyber-attack on OT have never been well defined, and if anything, they have further blurred over time. Therefore, we'd like to begin this post with a discussion around the ways in which cyber-attacks can either target or just simply impact OT, and why it might be important for us to make the distinction going forward. Figure 1 The Pu
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