Microsoft gives Apple a migraine

On May 18, 2023, Apple published security content for macOS Ventura 13.4, macOS Monterey 12.6.6, and macOS Big Sur 11.7.7 that addressed a logic issue in libxpc. The Common Vulnerabilities and Exposures CVE database lists publicly disclosed computer security flaws. The CVE we are going to discuss...

Clop ransomware is victimizing GoAnywhere MFT customers

According to information gathered by BleepingComputer, the Clop ransomware group has claimed responsibility for the ransomware attacks that are tied to a vulnerability in the Fortra GoAnywhere MFT secure file-sharing solution. As we reported on February 8, Fortra released an emergency patch 7.1.2...

Silence is golden partner for Truebot and Clop ransomware

A recent rise in the number of Truebot infections has been attributed to a threat actor known as the Silence Group. The Silence Group is an initial access broker IAB that frequently changes tools and tactics to stay on top of the game. An IAB's primary task is to find a weakness or vulnerability,...

Critical OpenSSL fix due Nov 1—what you need to know

A fix for a critical issue in OpenSSL is on the way, announced in advance of its release on November 1, 2022, in a four hour window between 13:00 UTC and 17:00 UTC. The release, version 3.0.7, will address a critical vulnerability for all versions of the software starting with a 3. Versions...

Update now! Chrome patches critical RCE vulnerability in Safe Browsing

Google has issued an update for the Chrome browser which includes 26 security fixes. What stands out is that one of these fixes is rated as "critical". The critical vulnerability is a use after free bug in the Safe Browsing feature. The Stable channel has been updated to 97.0.4692.99 for Windows,...

Browser Guard combats privacy abuse, tracking, clickbait, and scammers

In July 2018, we introduced the Malwarebytes Browser Extension, a beta plugin for Firefox and Chrome aimed at delivering a safer, faster, and more private browsing experience. Our extension blocked tech support scams, hijackers, pop-up ads, trackers, and more to keep users secure and free from...

Ellen DeGeneres giveaway scam spreading on social media

Scammers are pushing multiple fake Facebook profiles of Ellen DeGeneres, popular US TV show host and producer, with the goal of tricking people into jumping through a few money-making hoops. This isn’t a sophisticated scam. It isn’t hacking the Gibson. It won’t be the focus of a cutting edge...

A week in security (March 4 – 11)

Last week, Malwarebytes Labs released its in-depth, international data privacy survey of nearly 4,000 individuals, revealing that every generation, including Millennials, cares about online privacy. We also covered a novel case of zombie email that involved a very much alive account user, delved...

2018: The year of the data breach tsunami

It’s tough to remember all of the data breaches that happened in 2018. But when you look at the largest and most impactful ones that were reported throughout the year, it paints a grim picture about the state of data security today. The consequences of major companies leaking sensitive data are...

Windows File Shredder: When deleting a file isn’t enough

Most of us think deleting a file means it’s gone for good. But “delete” on a Windows device often just means “out of sight,” not necessarily “out of reach.” That’s where File Shredder, a new feature within Malwarebytes Tools for Windows, comes in. File Shredder lets you securely delete files from...

[updated]Unpatched Atlassian Confluence vulnerability is actively exploited

Researchers found a vulnerability in Atlassian Confluence by conducting an incident response investigation. Atlassian rates the severity level of this vulnerability as critical. Atlassian has issued a security advisory and is working on a fix for the affected products. This qualifies the...

Mac users, update now! “Powerdir” flaw could allow attackers to spy on you

If you have been forgoing updating your Mac, this article might make you think twice. The Microsoft 365 Defender Research Team has discovered a vulnerability in macOS, which allows malicious apps to successfully bypass a users privacy preferences. This means attackers could access personal data...

Has your WordPress site been backdoored by a skimmer?

Skimmers and other threat actors are backdooring websites, and WordPress instances in particular, according to a recently released report. Researchers at Sucuri say attackers have developed methods to make sure that their grip on the infected site is not easily removed by applying the next update...

Polazert Trojan using poisoned Google Search results to spread

Trojan.Polazert aka SolarMarker has gone back and fine-tuned an old tactic known as SEO-poisoning to plant their Remote Access Trojan RAT on as many systems as possible. This RAT runs in memory and is used by attackers to install additional malware on affected systems. Trojan.Polazert...

Mozilla launches Firefox Send for private file sharing

Mozilla look to reclaim some ground from the all-powerful Chrome with a new way to send and receive files securely from inside the browser. Firefox Send first emerged in 2017, promising an easy way to send documents without fuss. The training wheels have now come off and Send is ready to go...

A week in security (January 7 – 13)

Last week on the Malwarebytes Labs blog, we took a look at the Ryuk ransomware attack causing trouble over the holidays, as well as a ransom threat for an Irish transportation company. We explored the realm of SSN scams, and looked at what happens when an early warning system is attacked. Other...

Mac malware intercepts encrypted web traffic for ad injection

Last week, Malwarebytes researcher Adam Thomas found an interesting new piece of Mac malware that exhibits some troubling behaviors, including intercepting encrypted web traffic to inject ads. Let's take a closer look at this adware, which Malwarebytes for Mac detects as OSX.SearchAwesome, to see...

Inside the Kronos malware – part 2

In the previous part of the Kronos analysis, we took a look at the installation process of Kronos and explained the technical details of the tricks that this malware uses in order to remain more stealthy. Now we will move on to look at the malicious actions that Kronos can perform. Analyzed sampl...

A week in security (July 24 – July 30)

Last week, we recognized one of the unsung heroes of our times, explained what the Dark Web is, revealed challenges one of our experienced when putting together his conference presentation for SteelCon, revealed the potential dangers of smart toys to kids, and made a prediction following the...

A week in security (July 15 – 21)

Last week on Malwarebytes Labs, we took an extensive look at Sodinokibi, one of the new ransomware strains found in the wild that many believe picked up where GandCrab left off. We also profiled Extenbro, a Trojan that protects adware; reported on the UK's new Facebook reporting tool, homed in on...

A week in security (May 27 – June 2)

Last week on Malwarebytes Labs, we took readers through a deep dive—way down the rabbit hole—into the novel malware called “Hidden Bee.” We also looked at the potential impact of a government agency’s privacy framework, and delivered to readers everything they needed to know about ATM attacks and...

Everything you need to know about ATM attacks and fraud: Part 1

Flashback to two years ago. At exactly 12:33 a.m., a solitary ATM somewhere in Taichung City, Taiwan, spewed out 90,000 TWD New Taiwan Dollar—about US$2,900 today—in bank notes. No one was cashing out money from the ATM at the time. In fact, this seemingly odd system glitch was actually a test: T...

How 5G could impact cybersecurity strategy

With the recent news that South Korea has rolled out the world’s first 5G network, it’s clear that we’re on the precipice of the wireless technology’s widespread launch. Offering speeds anywhere from 20 to 100 times faster than 4G long-term evolution LTE, the next generation of wireless networks...

New research finds hospitals are easy targets for phishing attacks

New research from Brigham and Women’s Hospital in Boston finds hospital employees are extremely vulnerable to phishing attacks. The study highlights just how effective phishing remains as a tactic—the need for defense against and awareness of email scams is more critical than ever. The research w...

The Advanced Persistent Threat files: Lazarus Group

We've heard a lot about Advanced Persistent Threats APTs over the past few years. As a refresher, APTs are prolonged, aimed attacks on specific targets with the intention to compromise their systems and gain information from or about that target. While the targets may be anyone or anything—a...

Update Chrome now! Google releases emergency security patch

Google has released an emergency security update for its Chrome browser. The update includes a patch released four days earlier for a vulnerability which Google say is already being exploited. The easiest way to update Chrome is to allow it to update automatically, but you can end up lagging behi...

Update now! Microsoft fixes two zero-days on February Patch Tuesday

Microsoft has issued patches for 73 security vulnerabilities in its February 2024 Patch Tuesday. Among these vulnerabilities are two zero-days that are reportedly being used in the wild. The two zero-day vulnerabilities have already been added to the Cybersecurity & Infrastructure Security Agency...

Italian mafia cybercrime sting leads to 100+ arrests

The Spanish National Police Policía Nacional has successfully dismantled an organized crime ring of hundreds of members in a sting operation supported by Europol, the Italian National Police Polizia di Stato, and Eurojust. This is the end result of a year-long investigation. The organized crime...

Task Force delivers strategic plan to address global ransomware problem

The Ransomware Task Force RTF, a think tank composed of more than 60 volunteer experts who represent organizations encompassing industries and governments, has recently pushed out a comprehensive and strategic plan for tackling the increasing threat and evolution of ransomware. The report, entitl...

Mozilla patches critical security issues in Firefox and Thunderbird

Mozilla has issued a critical patch for Firefox, Firefox ESR, and Thunderbird after a security issue was discovered at the Tianfu Cup 2020 International Cybersecurity Contest The security issue has been assigned CVE-2020-26950 which has the “reserved” status. Publicly disclosed computer security...

New iOS exploit checkm8 allows permanent compromise of iPhones

UPDATE 9/27, 11:00am: Updated for the misconception that the bootrom was actually being modified. Apparently, the "permanent" only refers to the fact that the bug is in the bootrom, where it cannot be patched. UPDATE 9/27, 12:15am: After speaking with @axi0m8, clarified a few other points,...

YouTube ordered to cough up $170M settlement over COPPA infraction

Last week, the Federal Trade Commission FTC announced that it has required Google and YouTube to pay a settlement fee totaling $170 million after its video-sharing platform was found violating the Children’s Online Privacy Protection Act COPPA. The complaint was filed by the FTC and the New York...

A week in security (February 4 – 8)

Last week on Malwarebytes Labs, we took a closer look at the technical and reputational challenges for Facebook as it tries to integrate secure messaging across Messenger, WhatsApp, and Instagram. We explored Google’s latest attempts to change how the public sees—literally—web browser URLs, gave...

How to create a sticky cybersecurity training program

Organizations know that training employees on cybersecurity and privacy are not only expensive but time-consuming. However, given that current threats are targeting businesses more than consumers, introducing and teaching cybersecurity and privacy best practices in the workplace has undoubtedly...

A week in security (August 20 – August 26)

Last week on Labs, we took a look at insider threats, doubled back on the privacy of search browser extensions, profiled green card scams, revisited Defcon badgelife, and talked about what happens to a user's accounts when they die. Other cybersecurity news There was an archiving error in Twitch...

GrayKey iPhone unlocker poses serious security concerns

Ever since the case of the San Bernadino shooter pitted Apple against the FBI over the unlocking of an iPhone, opinions have been split on providing backdoor access to the iPhone for law enforcement. Some felt that Apple was aiding and abetting a felony by refusing to create a special version of...

Explained: SQL injection

Even though SQL injection is a type of attack that is relatively easy to prevent, it is one of the most common web hacking techniques. So, what’s it all about? The basics SQL is short for Structured Query Language and usually pronounced as “sequel.” SQL is a standard language used to query and...

Encryption 101: ShiOne ransomware case study

In part one of this series, Encryption 101: a malware analyst's primer, we introduced some of the basic encryption concepts used in malware. If you haven't read it, we suggest going back for a review, as it's necessary in order to be able to fully follow part two, our case study. In this study, w...

New Chrome and Firefox extensions block their removal to hijack browsers

What you don't see won't hurt you, must have been the reasoning of the threat actors who created the latest batch of extensions that make these browser hijackers even more difficult to remove. The extensions redirect users away from pages where they can disable or delete them in order to drive...

Fake Spectre and Meltdown patch pushes Smoke Loader malware

The Meltdown and Spectre bugs have generated a lot of media attention, and users have been urged to update their machines with fixes made available by various vendors. While some patches have created more issues than they fixed, we came across a particular one targeted at German users that actual...

Patch now! September Microsoft Patch Tuesday includes two actively exploited zero-days

Microsoft's September 2023 Patch Tuesday is another important one. Not because it's a busy one, but because we have some special cases. Patch Tuesday includes security updates for 59 bugs, two of which are known to be actively exploited. The Cybersecurity & Infrastructure Security Agency CISA has...

Update now! Ruckus vulnerability added to CISA’s list of actively exploited bugs

Along with six older vulnerabilities, the Cybersecurity and Infrastructure Agency CISA has added a vulnerability in multiple Ruckus wireless products to the Known Exploited Vulnerabilities Catalog. This means that Federal Civilian Executive Branch FCEB agencies need to remediate these...

Spear-phishing now targets employees outside the finance and executive teams, report says

Social engineering attacks have been a longstanding concern for both individuals and organizations alike. The trend, as we know it, is that fraudsters conducting spear phishing attacks—specifically, business email compromise BEC—are likely to target employees either in the finance or executive...

Threat spotlight: Conti, the ransomware used in the HSE healthcare attack

On the 14th of May, the Health Service Executive HSE, Ireland’s publicly funded healthcare system, fell victim to a Conti ransomware attack, forcing the organization to shut down more than 80,000 affected endpoints and plunging them back to the age of pen and paper. This happened a week after...

Update now! Chrome needs patching against two in-the-wild exploits

A day late and a dollar short is a well-known expression that comes in a few variations. But this version has a movie and a book to its name, so I’m going with this one. Why? Google has published an update for the Chrome browser that patches two newly discovered vulnerabilities. The browsers Stab...

Important tips for safe online shopping post COVID-19

As more and more countries order their citizens inside in response to COVID-19, online shopping—already a widespread practice—has surged in popularity, especially for practical items like hand sanitizer, groceries, and cleaning products. When people don’t feel safe outside, it’s only natural they...

Facebook scams: Bad ads, bogus grants, and fake tickets lurk on social media giant

We recently highlighted new steps Instagram is taking to try and clamp down on scammers sending fake messages on their platform. It turns out, other social media giants are walking a similar path for a variety of bogus ads and other attacks. Facebook scams in particular have taken off, despite th...

A week in security (November 26 – December 2)

Last week on Malwarebytes Labs, we took a look at our cybersecurity predictions for 2019, we explained why Malwarebytes participated in AV testing and how we took part in an joint take down of massive ad fraud botnets, warned that ESTA registration websites still lurk in paid ads on Google,...

Compromising vital infrastructure: how voting machines and elections are vulnerable

In our first post in a series about vital infrastructure, we aim to explore how secure our voting machines—and our votes in general—are ahead of the upcoming midterm elections. Here, we ask ourselves: How can our infrastructure be compromised? What are the consequences, and how can we prevent...

A cure for the common cold call: freeze them out

The phone rings and it's a number I don’t recognize. That’s enough to bring my mood down a few degrees. It shouldn’t, but unfortunately experience has taught me that at least 95 percent of the calls from numbers that are “private” or that I don’t have an account name stored for on my phone are...