November 2023 – Page 4 – Learn and Explore

November 23, 2023
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Alert: New WailingCrab Malware Loader Spreading via Shipping-Themed Emails

Delivery- and shipping-themed email messages are being used to deliver a sophisticated malware loader known as WailingCrab. “The malware itself is split into multiple components, including a loader, injector, downloader and backdoor, and successful requests to C2-controlled servers are often necessary to retrieve the next stage,” IBM X-Force researchers Charlotte...

November 23, 2023
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Mirai-based Botnet Exploiting Zero-Day Bugs in Routers and NVRs for Massive DDoS Attacks

An active malware campaign is leveraging two zero-day vulnerabilities with remote code execution (RCE) functionality to rope routers and video recorders into a Mirai-based distributed denial-of-service (DDoS) botnet. “The payload targets routers and network video recorder (NVR) devices with default admin credentials and installs Mirai variants when successful,” Akamai said in...

November 23, 2023
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6 Steps to Accelerate Cybersecurity Incident Response

Modern security tools continue to improve in their ability to defend organizations’ networks and endpoints against cybercriminals. But the bad actors still occasionally find a way in. Security teams must be able to stop threats and restore normal operations as quickly as possible. That’s why it’s essential that these...

November 23, 2023
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North Korean Hackers Distribute Trojanized CyberLink Software in Supply Chain Attack

A North Korean state-sponsored threat actor tracked as Diamond Sleet is distributing a trojanized version of a legitimate application developed by a Taiwanese multimedia software developer called CyberLink to target downstream customers via a supply chain attack. “This malicious file is a legitimate CyberLink application installer that has been modified to...

November 22, 2023
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New Flaws in Fingerprint Sensors Let Attackers Bypass Windows Hello Login

A new research has uncovered multiple vulnerabilities that could be exploited to bypass Windows Hello authentication on Dell Inspiron 15, Lenovo ThinkPad T14, and Microsoft Surface Pro X laptops. The flaws were discovered by researchers at hardware and software product security and offensive research firm Blackwing Intelligence, who found the weaknesses...

November 22, 2023
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North Korean Hackers Pose as Job Recruiters and Seekers in Malware Campaigns

North Korean threat actors have been linked to two campaigns in which they masquerade as both job recruiters and seekers to distribute malware and obtain unauthorized employment with organizations based in the U.S. and other parts of the world. The activity clusters have been codenamed Contagious Interview and Wagemole,...

November 22, 2023
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AI Solutions Are the New Shadow IT

Ambitious Employees Tout New AI Tools, Ignore Serious SaaS Security RisksLike the SaaS shadow IT of the past, AI is placing CISOs and cybersecurity teams in a tough but familiar spot. Employees are covertly using AI with little regard for established IT and cybersecurity review procedures. Considering ChatGPT’s meteoric rise to 100 million...

November 22, 2023
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ClearFake Campaign Expands to Deliver Atomic Stealer on Macs Systems

The macOS information stealer known as Atomic is now being delivered to target via a bogus web browser update chain tracked as ClearFake. “This may very well be the first time we see one of the main social engineering campaigns, previously reserved for Windows, branch out not only in...

November 22, 2023
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LockBit Ransomware Exploiting Critical Citrix Bleed Vulnerability to Break In

Multiple threat actors, including LockBit ransomware affiliates, are actively exploiting a recently disclosed critical security flaw in Citrix NetScaler application delivery control (ADC) and Gateway appliances to obtain initial access to target environments. The joint advisory comes from the U.S. Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI),

November 21, 2023
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Play Ransomware Goes Commercial – Now Offered as a Service to Cybercriminals

The ransomware strain known as Play is now being offered to other threat actors “as a service,” new evidence unearthed by Adlumin has revealed. “The unusual lack of even small variations between attacks suggests that they are being carried out by affiliates who have purchased the ransomware-as-a-service (RaaS) and are following...