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Materials research organizations in Asia have been targeted by a previously unknown threat actor using a distinct set of tools. Symantec, by Broadcom Software, is tracking the cluster under the moniker Clasiopa. The origins of the hacking group and its affiliations are currently unknown, but there are hints that suggest the adversary could have ties […]
A new backdoor associated with a malware downloader named Wslink has been discovered, with the tool likely used by the notorious North Korea-aligned Lazarus Group, new findings reveal. The payload, dubbed WinorDLL64 by ESET, is a fully-featured implant that can exfiltrate, overwrite, and delete files; execute PowerShell commands; and obtain comprehensive information about the underlying […]
In what’s a continuing assault on the open source ecosystem, over 15,000 spam packages have flooded the npm repository in an attempt to distribute phishing links. “The packages were created using automated processes, with project descriptions and auto-generated names that closely resembled one another,” Checkmarx researcher Yehuda Gelb said in a Tuesday report. “The attackers […]
Shipping companies and medical laboratories in Asia have been the subject of a suspected espionage campaign carried out by a never-before-seen threat actor dubbed Hydrochasma. The activity, which has been ongoing since October 2022, “relies exclusively on publicly available and living-off-the-land tools,” Symantec, by Broadcom Software, said in a report shared with The Hacker News. […]
At the beginning of January, Gcore faced an incident involving several L3/L4 DDoS attacks with a peak volume of 650 Gbps. Attackers exploited over 2000 servers belonging to one of the top three cloud providers worldwide and targeted a client who was using a free CDN plan. However, due to Gcore’s distribution of infrastructure and […]
A spear-phishing campaign targeting Indian government entities aims to deploy an updated version of a backdoor called ReverseRAT. Cybersecurity firm ThreatMon attributed the activity to a threat actor tracked as SideCopy. SideCopy is a threat group of Pakistani origin that shares overlaps with another actor called Transparent Tribe. It is so named for mimicking the […]
Russia’s cyber attacks against Ukraine surged by 250% in 2022 when compared to two years ago, Google’s Threat Analysis Group (TAG) and Mandiant disclosed in a new joint report. The targeting, which coincided and has since persisted following the country’s military invasion of Ukraine in February 2022, focused heavily on the Ukrainian government and military […]
Suspected North Korean nation-state actors targeted a journalist in South Korea with a malware-laced Android app as part of a social engineering campaign. The findings come from South Korea-based non-profit Interlab, which coined the new malware RambleOn. The malicious functionalities include the “ability to read and leak target’s contact list, SMS, voice call content, location […]
Hey 👋 there, cyber friends! Welcome to this week’s cybersecurity newsletter, where we aim to keep you informed and empowered in the ever-changing world of cyber threats. In today’s edition, we will cover some interesting developments in the cybersecurity landscape and share some insightful analysis of each to help you protect yourself against potential attacks. […]
A new variant of the notorious Mirai botnet has been found leveraging several security vulnerabilities to propagate itself to Linux and IoT devices. Observed during the second half of 2022, the new version has been dubbed V3G4 by Palo Alto Networks Unit 42, which identified three different campaigns likely conducted by the same threat actor. […]
Telecommunication service providers in the Middle East are being targeted by a previously undocumented threat actor as part of a suspected intelligence gathering mission. Cybersecurity firms SentinelOne and QGroup are tracking the activity cluster under the former’s work-in-progress moniker WIP26. “WIP26 relies heavily on public cloud infrastructure in an attempt to evade detection by making […]
Microsoft on Monday attributed a China-based cyber espionage actor to a set of attacks targeting diplomatic entities in South America. The tech giant’s Security Intelligence team is tracking the cluster under the emerging moniker DEV-0147, describing the activity as an “expansion of the group’s data exfiltration operations that traditionally targeted government agencies and think tanks […]
Web infrastructure company Cloudflare on Monday disclosed that it thwarted a record-breaking distributed denial-of-service (DDoS) attack that peaked at over 71 million requests per second (RPS). “The majority of attacks peaked in the ballpark of 50-70 million requests per second (RPS) with the largest exceeding 71 million,” the company said, calling it a “hyper-volumetric” DDoS […]
The advanced persistent threat (APT) actor known as Tonto Team carried out an unsuccessful attack on cybersecurity company Group-IB in June 2022. The Singapore-headquartered firm said that it detected and blocked malicious phishing emails originating from the group targeting its employees. It’s also the second attack aimed at Group-IB, the first of which took place […]
After the U.S. Cybersecurity and Infrastructure Security Agency (CISA) released a decryptor for affected victims to recover from ESXiArgs ransomware attacks, the threat actors have bounced back with an updated version that encrypts more data. The emergence of the new variant was reported by a system administrator on an online forum, where another participant stated […]
Four different rogue packages in the Python Package Index (PyPI) have been found to carry out a number of malicious actions, including dropping malware, deleting the netstat utility, and manipulating the SSH authorized_keys file. The packages in question are aptx, bingchilling2, httops, and tkint3rs, all of which were collectively downloaded about 450 times before they […]
The Gootkit malware is prominently going after healthcare and finance organizations in the U.S., U.K., and Australia, according to new findings from Cybereason. The cybersecurity firm said it investigated a Gootkit incident in December 2022 that adopted a new method of deployment, with the actors abusing the foothold to deliver Cobalt Strike and SystemBC for […]
A Russian national on February 7, 2023, pleaded guilty in the U.S. to money laundering charges and for attempting to conceal the source of funds obtained in connection with Ryuk ransomware attacks. Denis Mihaqlovic Dubnikov, 30, was arrested in Amsterdam in November 2021 before he was extradited from the Netherlands in August 2022. He is […]
The first-ever Linux variant of the Clop ransomware has been detected in the wild, but with a faulty encryption algorithm that has made it possible to reverse engineer the process. “The ELF executable contains a flawed encryption algorithm making it possible to decrypt locked files without paying the ransom,” SentinelOne researcher Antonis Terefos said in […]
VMware on Monday said it found no evidence that threat actors are leveraging an unknown security flaw, i.e., a zero-day, in its software as part of an ongoing ransomware attack spree worldwide. “Most reports state that End of General Support (EoGS) and/or significantly out-of-date products are being targeted with known vulnerabilities which were previously addressed […]
E-commerce industries in South Korea and the U.S. are at the receiving end of an ongoing GuLoader malware campaign, cybersecurity firm Trellix disclosed late last month. The malspam activity is notable for transitioning away from malware-laced Microsoft Word documents to NSIS executable files for loading the malware. Other countries targeted as part of the campaign […]