The mystery of the Silver Sparrow Mac malware

Cyber security company Red Canary published findings last week about a new piece of Mac malware called Silver Sparrow. This malware is notable in being one of the first to include native code for Apples new M1 chips, but what is unknown about this malware is actually more interesting than what is...

20 percent of organizations experienced breach due to remote worker, Labs report reveals

It is no surprise that moving to a fully remote work environment due to COVID-19 would cause a number of changes in organizations approaches to cybersecurity. What has been surprising, however, are some of the unanticipated shifts in employee habits and how they have impacted the security posture...

Website misconfigurations and other errors to avoid

Website owners, listen up: There are lots of things you shouldn’t do with your site, and many more you should avoid with the domains you’re responsible for. Insider malice, bad luck, and the stars aligning in impossible ways can all give your online portfolio a bad hair day. However, if you want ...

The forgotten domain: Exploring a link between Magecart Group 5 and the Carbanak APT

This blog post was authored by Jérôme Segura, William Tsing, and Adam Thomas. In a previous post, we described the possible overlap between certain domains registered by Magecart Group 4 and the Cobalt gang. While attribution is always a difficult endeavor, sharing TTPs can help others to connect...

Malaysia Airlines Flight 17 investigation shows Russian disinformation campaigns have global reach

A little background: on July 17, 2014, Malaysia Airlines Flight 17 was shot from the sky on its way from Amsterdam to Kuala Lumpur above the Ukraine. The plane was hit by a surface-to-air missile, and as a result, all 298 people on board were killed. At that time, there was a revolt of pro-Russia...

Apple’s FaceTime privacy bug allowed possible spying

Social media caught fire yesterday as the news of a new Apple bug spread. It seemed that there was a flaw in FaceTime that allowed you to place a call to someone, but listen in on their microphone if they didn't pick up. Worse, as the news spread, it turned out that there was also a way to captur...

A week in security (January 21 – 27)

Last week on the Malwarebytes Labs blog, we took a look at Modlishka, the latest hurdle in two-factor authentication 2FA, the potential for abuse of push notifications, a malware-phishing combo by the name of CryTekk ransomware, and why we detect PUPs, but enforce the power of users' choice. We...

A week in security (August 6 – August 12)

Last week, we published a review of exploit kits, talked about everyday tech that can give you a headache, and showed how to protect RDP access from ransomware. We also published a study on the true cost of cybercrime. Other news: Discovered at Black Hat: WhatsApp "message manipulation" Source: T...

What’s in the spam mailbox this week?

We've seen a fair few spam emails in circulation this week, ranging from phishing to money muling to sexploitation. Shall we take a look? The FBI wants to give you back your money First out of the gate, we have a missive claiming to be from the FBI. Turns out you lost a huge sum of money that you...

Did my comment on your blog get lost?

If you ever feel bad about your job because of mindless tasks you must perform day after day, or if you're bothered by the fact that your chosen work pays crap, produces nothing useful, and helps no one: have a look at blog comment spammers and breathe a sigh of relief. They make almost any job...

Vote for Malwarebytes Labs: European Security Blogger Awards 2018

It's nearly time for Infosec Europe 2018, and that means it's also time to consider voting for your favourite security blogs, podcasts, video channels, and more for the upcoming European Security Blogger Awards. Thanks to your generous votes, we've been fortunate enough to pick up the award for...

Blast from the past: stowaway Virut delivered with Chinese DDoS bot

Recently, we described an unusual Chinese drive-by attack that was delivering a variant of the Avzhan DDoS bot. The attack also contained multiple components that were not-so-new. Among the exploits, the newest was from 2016. Avzhan is also not a recent malware—the compilation timestamp of the...

How to protect your computer from malicious cryptomining

Noticing that your computer is running slow? While sometimes a telltale sign of infection, these days that seems doubly true. And the reason is: malicious cryptomining. So, what, exactly, is it? We'll tell you how bad this latest malware phenomenon is for you and your computer, plus what you can ...

Encryption 101: a malware analyst’s primer

While most in the security industry know what encryption is, many lack a basic understanding of how it is used in malware—especially ransomware. Because of this, we thought it would be beneficial to do an introductory primer on encryption mechanisms and how they are exploited for malicious...

A week in security (October 23 – October 29)

Welcome back to "A week in security." Last week, we took a look at how deleted files can be recovered, explored the BadRabbit ransomware plague attacking Eastern Europe including a deep dive into the code, and talked about what it takes to work in security. One of our researchers, who is a PhD...

Kothamine malware uses Tailscale’s tailcat to evade network detection

We discovered an undocumented remote-access Trojan RAT called Kothamine Agent. It supports more than 30 commands and it gives attackers control of an infected Windows computer: they can run commands, read and change files, and add new capabilities. Some versions can also steal browser data and...

Amazon and Apple impersonated in “$149.99 unauthorized charge” scam

If you’ve spent any time browsing lately, you may have run into a full-screen popup warning you that your Apple ID or Amazon account was just used for a mysterious $149.99 purchase. It looks urgent. It looks official. And if you look at two examples side by side, it becomes obvious that it’s...

Fake software on GitHub and SourceForge distribute Deno RAT

During our threat hunting activities, we found fake installers and plugins impersonating popular software including ChatGPT, Claude, AutoTune, and Kontakt on GitHub and SourceForge distributing a Deno backdoor known as DinDoor. Attackers are using compromised YouTube channels to distribute links ...

A week in security (May 27 – June 2)

Last week on Malwarebytes Labs: Data leak site BreachForums is back, boasting Live Nation/Ticketmaster user data. But is it a trap? The Ticketmaster "breach"—what you need to know Ticketmaster confirms customer data breach How to tell if a VPN app added your Windows device to a botnet Beware of...

Trusted Advisor now available for Mac, iOS, and Android

First released for Windows last year, the Malwarebytes Trusted Advisor dashboard is also now available on Mac, iOS and Android. Our Trusted Advisor dashboard provides an easy-to-understand assessment of your device’s security, with a single comprehensive protection score, and clear, expert-driven...

Update now! Apple fixes several serious vulnerabilities

Apple has released security updates for several products to address several serious vulnerabilities including some actively exploited zero-days. Updates are available for these products: Safari 16.6 | macOS Big Sur and macOS Monterey ---|--- iOS 16.6 and iPadOS 16.6 | iPhone 8 and later, iPad Pro...

SupremeBot and Mario cross the finish line together

Researchers have reported how popular game installers like Super Mario Games are being used to deliver malware. The malicious components include cryptominers, the SupremeBot mining client, and the open-source Umbral stealer. The game installers route offers some very distinct advantages to the...

Update now! GitLab issues critical security release for RCE vulnerability

GitLab has released versions 15.3.1, 15.2.3, 15.1.5 for GitLab Community Edition CE and Enterprise Edition EE. These versions contain important security fixes, and its recommended that all GitLab installations be upgraded to one of these versions immediately. GitLab.com is already running the...

Ransomware: Why do backups fail when you need them most?

Its widely known, and endlessly repeated, that the last, best line of defence against the potentially devastating effects of a ransomware attack is your backups. So why do we keep hearing things like this: Were also feeling relatively confident, we have a very good backup system … and then we fin...

A week in security (April 19 – 25)

Last week on Malwarebytes Labs, we interviewed Youssef Sammouda, a 21-year-old bug bounty hunter who is focused on finding vulnerabilities on Facebook. We looked into the CodeCov supply-chain attack, the vulnerabilities in Pulse Secure VPN that are being actively exploited by attackers, and the...

Lock and Code S1Ep6: Recognizing facial recognition’s flaws with Chris Boyd

This week on Lock and Code, we discuss the top security headlines generated right here on Labs and around the Internet. In addition, we talk to Chris Boyd, lead malware intelligence analyst at Malwarebytes, about facial recognition technology—its early history, its proven failures at accuracy, an...

Criminals hack Tupperware website with credit card skimmer

Update 2: A spokesperson for Tupperware has given a public statement to Alex Scroxton, Security Editor at ComputerWeekly. You can read it here. Update: Following our blog post, we continued to monitor the Tupperware website. As of 03/25 at 1:45 PM PT, we noticed that the malicious PNG file had be...

New version of IcedID Trojan uses steganographic payloads

This blog post was authored by @hasherezade, with contributions from @siriurz and Jérôme Segura. Security firm Proofpoint recently published a report about a series of malspam campaigns they attribute to a threat actor called TA2101. Originally targeting German and Italian users with Cobalt Strik...

Compromising vital infrastructure: the power grid

Where were you when the lights went out? That line became famous after the 1977 blackout in New York City. This power outage was caused by lightning and lasted for up to two days, depending on which part of New York you lived in. While in this case the power grid failure was a freak incident due ...

The many faces of omnichannel fraud

The rise of new technologies, social networks, and other means of online communication have brought about compelling changes in industries across the board. For example, in retail, organizations use digital tools such as websites, email, and apps to reach out to their current and potential client...

Mobile Menace Monday: FakeGift is the gift that keeps on frustrating

Last spring, we found yet another piece of riskware on Google Play we call Android/PUP.Riskware.FakeGift. Based on Hindi characters found in the code, we can assume it originates from India. With over 50,000 installs before being removed from Google Play, FakeGift apparently kept on...

New Mac cryptominer uses XMRig

A new Mac cryptominer was discovered this week, after affected users saw their fans whirring out of control and a process named "mshelper" gobbling up CPU time like Cookie Monster. Fortunately, this malware is not very sophisticated and is easy to remove. The malware became public knowledge in a...

Mobile Menace Monday: re-emergence of a fake Android AV

Back in early 2013, a new mobile antivirus AV company called Armor for Android emerged into the mobile security software industry that had everyone perplexed. It seemed eerily like malware known as a Fake AV, and some even gave it that label. As a younger mobile researcher, I was one of those who...

Augmented Reality games and real-world trolling

Augmented Reality games—where you wave a device around and the digital collides with reality— have been booming in popularity ever since Pokemon GO! rolled into mobile storefronts. However, many AR games haven't really been designed with the possible consequences of real-world safety in mind. Tak...

Release the KRACKen: flaw in Wi-Fi security leaves users vulnerable

A serious flaw in the wireless protocol that secures all modern protected Wi-Fi networks has been discovered. How serious? If your device supports Wi-Fi, it is most likely affected. This feasible attack, dubbed KRACK, could abuse design or implementation flaws in the Wi-Fi standard, not some...

How to tell if your Mac is infected

There are a lot of reasons Mac users don’t sweat getting infected. One: They’ve got a built-in anti-malware system called XProtect that does a decent job of catching known malware. Two: Macs are not plagued by a high number of attacks. Most cybercriminals are focused on infecting PCs. And three:...

Explained: False positives

What are false positives? False positive, which is sometimes written as f/p, is an expression commonly used in cybersecurity to denote that a file or setting has been flagged as malicious when it’s not. In statistics, false positives are called Type I errors, because they check for a particular...

Update now! Google Pixel vulnerability is under active exploitation

Google has notified Pixel users about an actively exploited vulnerability in their phones firmware. Firmware is the code or program which is embedded into hardware devices. Simply put, it is the software layer between the hardware and the applications on the device. About the vulnerability, Googl...

Google fixes "Bad.Build" Cloud Build flaw, researchers say it's not enough

Researchers at Orca Security have found a design flaw in the Google Cloud Build service. Attackers would have been able to gain Privilege Escalation resulting in unauthorized access to code repositories in Googles Artifact Registry. The researchers dubbed the vulnerability Bad.Build and say it...

Update now! Two zero-days fixed in 2022's last patch Tuesday

In numbers, the patch Tuesday of December 2022 is a relatively light one for Windows users. Microsoft patched 48 vulnerabilities with only six considered critical. But numbers are only half the story. Two of the updates are zero-days with one of them known to be actively exploited. Windows...

Insecure password leads to Mangatoon data breach

The hugely popular Manga comics platform Mangatoon has fallen victim to a data breach. No fewer than 23 million user accounts could be at risk, thanks to a poorly secured database. Worse still, Mangatoon doesnt seem to be responding to messages from the breacher, or people notifying it that the...

A week in security (January 24 – 30)

Last week on Malwarebytes Labs: QNAP update stops Deadbolt ransomware, annoys some users, starts debate Big Mother is watching: What parents REALLY think about tracking their kids Update now! Apple patches another actively used zero-day Let’s Encrypt to revoke “mis-issued” certificates North...

Dridex affiliate dresses up as Scrooge

Threat actors are hoping to catch a few more victims before they leave work for the Christmas holidays. The recent malicious spam campaigns malspam we and others have observed appear to have been created by someone who wants to play Scrooge and add onto peoples already heightened state of anxiety...

q-logger skimmer keeps Magecart attacks going

This blog post was authored by Jérôme Segura Although global e-commerce is continuing to grow rapidly, it seems as though Magecart attacks via digital skimmers have not followed the same trend. This is certainly true if we only look at recent newsworthy attacks; indeed when a victim is a large...

Cyberbullying 101: A Primer for kids, teens, and parents

At some point in our lives, we have likely either been bullied, stood back and watched others bullying, or participated in the act. Playing the role of offender, offended, and by-stander has become easier, thanks to the Internet and the technologies that make it possible to keep up connected. In...

DNS-over-HTTPS takes another small step towards global domination

Firefox recently announced that it will be rolling out DNS-over-HTTPS or DoH soon to one percent of its Canadian users as part of its partnership with CIRA the Canadian Internet Registration Authority, the Ontario-based organization responsible for managing the .ca top-level domain for Canada and...

150,000 Verkada security cameras hacked—to make a point

Hackers were able to gain access to camera feeds from Verkada, a tech company that specializes in video security and physical access control, to demonstrate how prevalent surveillance is, reports say. Unfortunately, it also exposed the inner workings of hospitals, clinics, and mental health...

3 tips to top up your privacy

Its Data Privacy Day—the perennial event that many internet users may have never heard of, but have strong feelings and opinions about the very things that birthed it in the first place. Originally created to help businesses learn about why online privacy matters, its reach has since extended to...

WOOF locker: Unmasking the browser locker behind a stealthy tech support scam operation

Update 01-27-2020: Shortly after this blog was published we noticed that a large part of the infrastructure behind this browlock was taken down. The malicious server responsible for redirections is no longer responding and we have not observed any new live browlock from this 2 year old campaign. ...

Facial recognition technology: force for good or privacy threat?

All across the world, governments and corporations are looking to invest in or develop facial recognition technology. From law enforcement to marketing campaigns, facial recognition is poised to make a splashy entrance into the mainstream. Biometrics are big business, and third party contracts...