Introducing Malwarebytes DNS Filtering module: How to block sites and create policy rules

We’re happy to announce Malwarebytes DNS Filtering, a new module for the Nebula platform which helps block access to malicious websites and limit threats introduced by suspicious content. But how exactly does it work, you ask? In this post, we give a basic walkthrough of the module, starting off...

FAQ: Mitigating Microsoft Office’s ‘Follina’ zero-day

On Monday May 30, 2022, Microsoft issued CVE-2022-30190 for a zero-day remote code vulnerability, Follina, already being exploited in the wild via malicious Word documents. Q: What exactly is Follina? A: Follina is the nickname given to a new vulnerability discovered as a zero-day and identified ...

Chinese Hackers Begin Exploiting Latest Microsoft Office Zero-Day Vulnerability

An advanced persistent threat APT actor aligned with Chinese state interests has been observed weaponizing the new zero-day flaw in Microsoft Office to achieve code execution on affected systems. "TA413 CN APT spotted in-the-wild exploiting the Follina zero-day using URLs to deliver ZIP archives...

How the Saitama backdoor uses DNS tunnelling

Thanks to the Malwarebytes Threat Intelligence Team for the information they provided for this article. Understandably, a lot of cybersecurity research and commentary focuses on the act of breaking into computers undetected. But threat actors are often just as concerned with the act of breaking o...

Update now! Apple patches zero-day vulnerability affecting Macs, Apple Watch, and Apple TV

Apple has released security updates for a zero-day vulnerability that affects multiple products, including Mac, Apple Watch, and Apple TV. The flaw is an out-of-bounds write issue—tracked as CVE-2022-22675—in AppleAVD, a decoder that handles specific media files. An out-of-bounds write or read fl...

Recovering from romance scams with Cindy Liebes: Lock and Code S03E10

Earlier this year, many members of the public were introduced to the facets of a long-ignored crime in cyberspace: The romance scam. A flashy documentary called The Tinder Swindler had premiered on Netflix, and in it, filmmakers documented the efforts of one man to manipulate several women into...

Ransomware: April 2022 review

The Malwarebytes Threat Intelligence team monitors the threat landscape continuously and produces monthly ransomware reports based on a mixture of proprietary and open-source intelligence. April 2022 was most notable for the emergence of three new ransomware-as-a-service RaaS groups—Onyx, Mindwar...

“Reject All” cookie consent button is coming to European Google Search and YouTube

Google will soon be giving European countries a "Reject All" button in the Search and YouTube cookie consent banner. This change, which was revealed by Googles Product Manager for Privacy, Safety & Security Sammit Adhya in a blog post, has already been rolled out in France and will be cascaded to...

Why software has so many vulnerabilities, with Tanya Janca: Lock and Code S03E09

Less than one year ago, the worst ransomware attack in history struck dozens of organizations. Threat actors had exploited a serious flaw in the remote monitoring and management tool Kaseya VSA that, when discussed on the Lock and Code podcast, was revealed to be "not advanced at all." This was f...

Stalkerware-type detections hit record high in 2021, but fell in second half

After having tracked stalkerware for years, Malwarebytes can reveal that in 2021, detections for apps that can non-consensually monitor another persons activity reached their highest peak ever, but that, amidst the record-setting numbers, the volume of detections actually began to significantly...

Malwarebytes Evaluation of the MITRE ENGENUITY ATT&CK Round 4 Emulations

The results of the MITRE Engenuity ATT&CK Evaluation of the Wizard Spider and Sandworm adversaries were officially released1 last week. We are very proud of the Malwarebytes EDR results in the MITRE Engenuity test, which are the direct reflection of a relentless core EDR team and the learnings fr...

Ransomware: March 2022 review

The Malwarebytes Threat Intelligence team continuously monitors the threat landscape to stay on top of existing and emerging attacks. In this March 2022 ransomware review, we go over some of the most successful ransomware incidents based on both open source and dark web intelligence. The March da...

Why data protection and privacy are not the same, and why that matters: Lock and Code S03E09

Theres a mistake commonly made in the United States that a law that was passed to help people move their healthcare information to a new doctor or provider was actually passed to originally implement universal, wide-ranging privacy controls on that same type of information. This is the mixup with...

Cash App breached by a former employee could affect millions

In December last year, the customer information of Cash App users was accessed by a former employee of Block, the company behind the popular mobile payment service app. This was revealed in a very recent filing to the Securities and Exchange Commission SEC, which shows that the former employee...

Update now! Zyxel patches critical firewall bypass vulnerability

In a security advisory Zyxel has urged customers to update because a security flaw can lead to the circumvention of firewall protection in several Zyxel products. Zyxel is a Taiwanese producer of modems and other networking equipment and its products are sold in over 150 countries. The...

A week in security (March 28 – April 3)

Last week on Malwarebytes Labs: New UAC-0056 activity: There’s a Go Elephant in the room Globant suffers network breach due to LAPSUS$ compromise Update now! Apple patches two zero-day vulnerabilities that may have been actively exploited Hive ransomware impacts California non-profit health...

MITRE ATT&CK® Evaluation results: Malwarebytes’ efficiency, delivered simply, earns high marks

Cybersecurity can be complex work, as security teams need to regularly decipher and prioritize alerts, protect against daily threats, and possibly implement product configuration changes, all while staying abreast of the latest intelligence on new and evolving threats. For organizations that lack...

MSHTML Flaw Exploited to Attack Russian Dissidents

A spearphishing campaign targeting Russian citizens and government entities that are not aligned with the actions of the Russian government is the latest in numerous threats that have emerged since Russia invaded the Ukraine in February. Researchers from MalwareBytes identified a campaign last we...

Tech support fraud is still very much alive, says latest FBI report

The FBI’s Internet Crime Complaint Center IC3 has released its annual report. In 2021, IC3 continued to receive a record number of complaints from the American public: 847,376 reported complaints, which was a 7% increase from 2020, with potential losses exceeding $6.9 billion. Among the complaint...

Just-Released Dark Souls Game, Elden Ring, Includes Killer Bug

The latest installment of the Dark Souls gaming franchise, Elden Ring, contains a security vulnerability that allows bad actors to throw players on PCs into an endless loop of losing their characters’ lives, rendering it essentially unplayable. Malwarebytes Labs researcher Christopher Boyd said...