News – June 2021


  • 30M Dell Devices at Risk for Remote BIOS Attacks, RCE

    June 24, 2021

    A high-severity series of four vulnerabilities can allow remote adversaries to gain arbitrary code execution in the pre-boot environment on Dell devices, researchers said. They affect an estimated 30 million individual Dell endpoints worldwide. According to an analysis from Eclypsium, the bugs affect 129 models of laptops, tablet and desktops, including enterprise and consumer devices, that ...

  • The human cost of ransomware: Disruption to Irish health service will continue for months

    June 24, 2021

    Ireland’s health service faces months of disruption as it continues to recover from a ransomware attack, the head of the Health Service Executive (HSE) has warned. HSE, which is responsible for healthcare and social services across Ireland, fell victim to what was described as a “significant” ransomware attack on 14 May. The attack has been attributed to ...

  • Ransomware gangs are using virtual machines to disguise their attacks

    June 24, 2021

    Cyber criminals are increasingly using virtual machines to compromise networks with ransomware. By using virtual machines as part of the process, ransomware attackers are able to conduct their activity with additional subtlety, because running the payload within a virtual environment reduces the chances of the activity being discovered – until it’s too late and the ransomware ...

  • Malicious spam campaigns delivering banking Trojans

    June 24, 2021

    In mid-March 2021, we observed two new spam campaigns. The messages in both cases were written in English and contained ZIP attachments or links to ZIP files. Further research revealed that both campaigns ultimately aimed to distribute banking Trojans. The payload in most cases was IcedID (Trojan-Banker.Win32.IcedID), but we have also seen a few QBot ...

  • Critical Palo Alto Cyber-Defense Bug Allows Remote ‘War Room’ Access

    June 23, 2021

    A critical security bug in Palo Alto Networks’ Cortex XSOAR could allow remote attackers to run commands and automations in the Cortex XSOAR War Room and to take other actions on the platform, without having to log in. Found internally by Palo Alto, the bug (CVE-2021-3044) is an improper-authorization vulnerability that “enables a remote unauthenticated attacker ...

  • REvil Ransomware Code Ripped Off by Rivals

    June 23, 2021

    They say imitation is the sincerest form of flattery: The LV ransomware, a strain that cropped up just this spring, turns out to be based on what is most likely pirated REvil ransomware code, according to researchers. A malware analysis of LV from Secureworks Counter Threat Unit (CTU) found that its operators (which it calls Gold ...

  • Tulsa warns of data breach after Conti ransomware leaks police citations

    June 23, 2021

    The City of Tulsa, Oklahoma, is warning residents that their personal data may have been exposed after a ransomware gang published police citations online. In early May, Tulsa suffered a ransomware attack that led to the City shutting down its network to prevent the spread of the malware. The attack disrupted Tulsa’s online bill payment systems, utility ...

  • How to confuse antimalware neural networks. Adversarial attacks and protection

    June 23, 2021

    Nowadays, cybersecurity companies implement a variety of methods to discover new, previously unknown malware files. Machine learning (ML) is a powerful and widely used approach for this task. At Kaspersky we have a number of complex ML models based on different file features, including models for static and dynamic detection, for processing sandbox logs and ...

  • Russia to work with US on identifying hackers as part of an agreement, FSB chief says

    June 23, 2021

    Russia will cooperate with the United States in the field of identifying ransomware hackers as part of an agreement between the two countries’ presidents, Director of Russia’s Federal Security Service Alexander Bortnikov said in his opening remarks at the IX Moscow Conference on International Security. “We are carrying out steps as part of the agreements reached ...

  • NukeSped Copies Fileless Code From Bundlore, Leaves It Unused

    June 22, 2021

    While investigating samples of NukeSped, a remote access trojan (RAT), Trend Micro came across several Bundlore adware samples using the same fileless routine that was spotted in NukeSped. The backdoor has been attributed to the cybercriminal group Lazarus, which has been active since at least 2014. There are multiple variants of NukeSped, which is designed ...

  • Analyzing SonicWall’s Unsuccessful Fix for CVE-2020-5135

    June 22, 2021

    By Craig Young, a computer security researcher with Tripwire’s Vulnerability and Exposures Research Team Back in September 2020, I configured a SonicWall network security appliance to act as a VPN gateway between physical devices in my home lab and cloud resources on my Azure account. As I usually do with new devices on my network, I ...

  • Ever101 ransomware payment traced to a sensual massage site

    June 22, 2021

    A ransomware targeting an Israeli company has led researchers to track a portion of a ransom payment to a website promoting sensual massages. The attack was conducted by a more recent ransomware operation known as Ever101 who compromised an Israeli computer farm and proceeded to encrypt its devices. Read more… Source: Bleeping Computer  

  • Email Bug Allows Message Snooping, Credential Theft

    June 22, 2021

    Researchers warn hackers can snoop on email messages by exploiting a bug in the underlying technology used by the majority of email servers that run the Internet Message Access Protocol, commonly referred to as IMAP. The bug, first reported in August 2020 and patched Monday, is tied to the email server software Dovecot, used by ...

  • North Korean Kimsuky hacking group allegedly behind breach of South Korean nuclear institute

    June 21, 2021

    A North Korean hacking group with a history of high-profile attacks against South Korea allegedly breached the network of South Korea’s state-run nuclear research institute last month. Representative Ha Tae-keung of the People Power Party, South Korea’s main opposition party, claimed 13 unauthorised IP addresses accessed the internal network of Korea Atomic Energy Research Institute (KAERI) ...

  • Conti Ransomware Gang: An Overview

    June 18, 2021

    Conti ransomware stands out as one of the most ruthless of the dozens of ransomware gangs that we follow. The group has spent more than a year attacking organizations where IT outages can have life-threatening consequences: hospitals, 911 dispatch carriers, emergency medical services and law enforcement agencies. Ireland has yet to recover from an attack ...