Month: June 2023

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Jun 21, 2023Ravie LakshmananCyber Threat / Privacy The North Korean threat actor known as ScarCruft has been observed using an information-stealing malware with previous undocumented wiretapping features as well as a backdoor developed using Golang that exploits the Ably real-time messaging service. “The threat actor sent their commands through the Golang backdoor that is using
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Jun 20, 2023Ravie LakshmananOperational Technology Three security vulnerabilities have been disclosed in operational technology (OT) products from Wago and Schneider Electric. The flaws, per Forescout, are part of a broader set of shortcomings collectively called OT:ICEFALL, which now comprises a total of 61 issues spanning 13 different vendors. “OT:ICEFALL demonstrates the need for tighter scrutiny
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The use of connected devices in healthcare is driving innovation, offering new ways to assist medical staff. However, the adoption of the Internet of Things (IoT) has expanded the attack surface IT decision-makers in the healthcare industry have to deal with. A new report by Armis found that many cybersecurity leaders in UK National Health Service
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The Shuckworm espionage group (aka Gamaredon, Armageddon), believed to be linked to the Russian Federal Security Service (FSB), has been observed intensifying its cyber-attacks on Ukraine. Discovered by the Symantec Threat Hunter Team, the new Shuckworm campaign focused on acquiring military and security intelligence to support potential invading forces. In particular, it aimed to gain
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ESET researchers analyzed an updated version of Android GravityRAT spyware that steals WhatsApp backup files and can receive commands to delete files ESET researchers have identified an updated version of Android GravityRAT spyware being distributed as the messaging apps BingeChat and Chatico. GravityRAT is a remote access tool known to be used since at least
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As Threat Actors Continuously Adapt their TTPs in Today’s Threat Landscape, So Must You Earlier this year, threat researchers at Cybersixgill released the annual report, The State of the Cybercrime Underground. The research stems from an analysis of Cybersixgill’s collected intelligence items throughout 2022, gathered from the deep, dark and clear web. The report examines
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Strategies for stopping and responding to cyberbullying require a concerted, community-wide effort involving parents, educators and children themselves Bullying of any kind can have a devastating impact on the victim’s well-being and life. Physical bullying, also known as face-to-face or in-person bullying, is still an issue in schools, with many researchers saying that its long-term
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Jun 17, 2023Ravie LakshmananCryptojacking / Network Security Cybersecurity researchers have discovered previously undocumented payloads associated with a Romanian threat actor named Diicot, revealing its potential for launching distributed denial-of-service (DDoS) attacks. “The Diicot name is significant, as it’s also the name of the Romanian organized crime and anti-terrorism policing unit,” Cado Security said in a
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The US Department of Justice (DoJ) has announced the arrest and charges filed against a Russian national accused of participating in cyber-attacks using the LockBit ransomware. Ruslan Magomedovich Astamirov, a 20-year-old from the Chechen Republic, allegedly targeted computer systems in the United States, Asia, Europe and Africa. Astamirov is the second individual arrested in connection
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Jun 16, 2023Ravie LakshmananEndpoint Security / Network Security The threat actor known as ChamelGang has been observed using a previously undocumented implant to backdoor Linux systems, marking a new expansion of the threat actor’s capabilities. The malware, dubbed ChamelDoH by Stairwell, is a C++-based tool for communicating via DNS-over-HTTPS (DoH) tunneling. ChamelGang was first outed
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The US Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released joint guidance on hardening Baseboard Management Controllers (BMCs). Published on Wednesday, the document aims to address the overlooked vulnerabilities in BMCs, which can serve as potential entry points for malicious actors seeking to compromise critical infrastructure systems. Read more
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Jun 15, 2023Ravie LakshmananCryptocurrency / Ransomware Ransomware actors and cryptocurrency scammers have joined nation-state actors in abusing cloud mining services to launder digital assets, new findings reveal. “Cryptocurrency mining is a crucial part of our industry, but it also holds special appeal to bad actors, as it provides a means to acquire money with a
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A series of malicious GitHub repositories masquerading as legitimate security research projects have been discovered. VulnCheck researcher Jacob Baines shared the findings in a new advisory published today, saying the repositories claim to contain exploits for well-known products such as Chrome, Exchange and Discord. “In early May, VulnCheck came across a malicious GitHub repository that
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by Paul Ducklin Yesterday, we wrote about cybercrime charges that were finally unsealed for a massive cryptocurrency heist that was allegedly conducted over a three-year period starting back in 2011. Today’s long-term cybercrime justice story concerns the last member of the so-called Gozi Troika, three men who were originally charged in January 2013 for malware-related
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Jun 14, 2023Ravie LakshmananZero-Day / Network Security The Chinese state-sponsored group known as UNC3886 has been found to exploit a zero-day flaw in VMware ESXi hosts to backdoor Windows and Linux systems. The VMware Tools authentication bypass vulnerability, tracked as CVE-2023-20867 (CVSS score: 3.9), “enabled the execution of privileged commands across Windows, Linux, and PhotonOS
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Network security solution provider Fortinet has patched a critical bug in its FortiOS and FortiProxy SSL-VPN software that could be exploited to hijack equipment. The vulnerability, identified as CVE-2023-27997 with a CVSS score of 9.2, reportedly allowed remote code execution and was first discovered by a security analyst at Lexfo. The security fixes were included
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Jun 13, 2023Ravie LakshmananCrimeware / Cryptocurrency A novel multi-stage loader called DoubleFinger has been observed delivering a cryptocurrency stealer dubbed GreetingGhoul in what’s an advanced attack targeting users in Europe, the U.S., and Latin America. “DoubleFinger is deployed on the target machine, when the victim opens a malicious PIF attachment in an email message, ultimately
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Jun 12, 2023Ravie LakshmananVulnerability / Software Security researchers have warned about an “easily exploitable” flaw in the Microsoft Visual Studio installer that could be abused by a malicious actor to impersonate a legitimate publisher and distribute malicious extensions. “A threat actor could impersonate a popular publisher and issue a malicious extension to compromise a targeted