Credit card skimmer targets ASP.NET sites

Update: 2020-07-09 A reader contacted us with information about this series of attacks on .NET sites. There is a known vulnerability CVE-2017-9248 for Telerik UI for ASP.NET that is being exploited. An attacker can upload .aspx web shells and get remote code execution. This Telerik page offers...

Lock and Code S1Ep5: Mythbusting and understanding VPNs with JP Taggart

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 JP Taggart, senior security researcher at Malwarebytes, about VPNs—debunking their myths, explaining their actual capabilities, and providing some advice...

Hyperlink auditing: where has my option to disable it gone?

There is a relatively old method that might be gaining traction to follow users around on the world wide web. Most Internet users are aware of the fact that they are being tracked in several ways. And awareness is a good start. In a state of awareness, you can adjust your behavior accordingly, an...

2019 State of Malware report: Trojans and cryptominers dominate threat landscape

Each quarter, the Malwarebytes Labs team gathers to share intel, statistics, and analysis of the tactics and techniques made popular by cybercriminals over the previous three months. At the end of the year, we synthesize this data into one all-encompassing report—the State of Malware report—that...

Social Security Number scammers are at it again

The Federal Trade Commission FTC once again sounded the alarm in mid-December about the latest Social Security Number SSN scam that continues to affect thousands of Americans. While most of us were only able to read about this type of scam in the past, the FTC now has an audio recording of an SSN...

A week in security (December 17 – 23)

Last week on Labs we looked at Fuchsia OS as a possible alternative for Android, explained all the reasons why cybercriminals want to hack your phone, discussed a flaw in Twitter form that may have been abused by nation states, gave you a Christmas tech scams roundup, revealed why many online...

A week in security (September 3 – 9)

Last week on Malwarebytes Labs, we looked at spyware going mainstream, how the popular game Fortnite sparks security concerns for Android users, and how certain Mac App Store apps are stealing user data. Other cybersecurity news: Microsoft announced Windows 7 Extended Security Updates in a blog...

SamSam ransomware: controlled distribution for an elusive malware

SamSam ransomware has been involved in some high profile attacks recently, and remains a somewhat elusive malware. In its time being active, SamSam has gone through a slight evolution, adding more features and alterations into the mix. These changes do not necessarily make the ransomware more...

Encryption 101: decryption tool code walkthrough

We have reached the final installment of our Encryption 101 series. In the prior post, we walked through, in detail, the thought process while looking at the Princess Locker ransomware. We talked about the specific ways to narrow down the analysis toward the encryption portions, the weaknesses in...

Adobe Coldfusion vulnerability used in attacks on government servers

The Cybersecurity and Infrastructure Security Agency CISA put out a Cybersecurity Advisory CSA to alert government agencies about cybercriminals using a vulnerability in Adobe Coldfusion to gain initial access to servers. Adobe ColdFusion is a platform for building and deploying web and mobile...

A week in security (Sept 20 – Sept 26)

Last week on Malwarebytes Labs Freedom Hosting operator gets 27 years for hosting dark web abuse sites Microsoft makes a bold move towards a password-less future New Mac malware masquerades as iTerm2, remote desktop and other apps Internet safety tips for kids and teens: a comprehensive guide for...

Not us, YOU: vendor email compromise explained

Silent Starling, an online organized criminal group hailing from West Africa, seem to have reminded SMBs and enterprises alike the perils of business email compromise BEC scams once more. This time, they've advanced BEC into a more potent modality by widening the scope of its potential targets an...

A week in security (May 20 – 26)

Last week on Malwarebytes Labs, we took a look at a skimmer pretending to be a payment service provider, gave an overview of what riskware is, took a deep dive into concerns about PACS leaks, and dug around in the land of “These Governments said fix it…hurry up”. Other cybersecurity news Changes...

How the government shutdown is influencing cybersecurity jobs

As of this writing, the government shutdown of 2019 is the longest ever in America. The only good news about this situation is that, with each passing day, a new group of people in the country seems to rediscover just how essential government services are, now that they're unavailable. The next...

Using the blockchain to create secure backups

“Oh no! I’ve got a ransomware notice on my workstation. How did this happen?” “Let’s figure that out later. First, apply the backup from a few minutes ago, so we can continue to work.” Now that wasn't so painful, was it? Having a rollback solution or a recent backup could make this ideal post...

Is two-factor authentication (2FA) as secure as it seems?

Two-factor authentication 2FA was invented to add an extra layer of security to the—now considered old-fashioned and insecure—simple login procedure of entering a username and password. One of the most well-known examples of 2FA is when you try to log into a familiar website from a different...

Bye, bye Petya! Decryptor for old versions released.

Following the outbreak of the Petya-based malware in Ukraine, the author of the original version, Janus, decided to release his master key, probably closing the project. You can read the full story here. Based on the released key, we prepared a decryptor that is capable of unlocking all the...

Oracle WebLogic Server vulnerability added to CISA list as “known to be exploited”

On May 1, 2023 the Cybersecurity and Infrastructure Security Agency CISA added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. This means that Federal Civilian Executive Branch FCEB agencies are obliged to remediate the...

Super FabriXss: an RCE vulnerability in Azure Service Fabric Explorer

Researchers at Orca Security disclosed how they found a remote code execution vulnerability in Azure Service Fabric Explorer. The vulnerability was reported to the Microsoft Security Response Center MSRC with responsible disclosure and was included by Microsoft in their March 2023 Patch Tuesday...

Rubrik is latest victim of the Clop ransomware zero-day campaign

Rubrik, a cybersecurity company specializing in cloud data management, has revealed that some of its systems were infiltrated by the Clop ransomware group. Rubrik is one of many companies attacked by Clop via an infamous zero-day vulnerability in the GoAnywhere file transfer software. The attack...

High school student rickrolls entire school district, and gets praised

A student at a high school in Cook County successfully hacked into the Internet-of-Things IoT devices of one of the largest school districts in Illinois, and gave everyone a surprise. Minh aka @WhiteHoodHacker on Twitter who attends Elk Grove—a name that curiously resembles the home town of...

The many ways you can be scammed on Facebook, part I

Scams can be found anywhere, and Facebook is no exception. And, with the holiday season just around the corner, and the world still weathering a pandemic, it pays to know what Facebook scams you, those close to you, and those you have professional relationships with could potentially encounter...

What to do when you receive an extortion email

In the last few weeks, there has been an upswing in people receiving threatening, extortion email messages, demanding payment to avoid release of sensitive information. Most of the time, these emails are what we call "sextortion" emails, as they claim that malware on your computer has captured...

Leaks and breaches: a roundup

It’s time for one of our semi-regular breach/data exposure roundup blogs, as the last few days have brought us a few monsters. If you use any of the below sites, or if you think some of your data has been sitting around exposed, we’ll hopefully give you a better idea of what the issue is. Seeing ...

The not-so-definitive guide to cybersecurity and data privacy laws

US cybersecurity and data privacy laws are, to put it lightly, a mess. Years of piecemeal legislation, Supreme Court decisions, and government surveillance crises, along with repeated corporate failures to protect user data, have created a legal landscape that is, for the American public and...

This online quiz is now confirmed to be a phishing scam

Ah, online quizzes. Many of us know that they can be somewhat dodgy and nonsense, really—but that doesn’t stop us from clicking the “Start quiz” button anyway. Besides, you have time to kill, and there are only three questions to answer, right? The right kind of wrong Phishing attacks don’t alway...

Mac cryptocurrency ticker app installs backdoors

An astute contributor to our forums going by the handle 1vladimir noticed that an app named CoinTicker was exhibiting some fishy behavior over the weekend. It seems that the app is covertly installing not just one but two different backdoors. Behaviors The CoinTicker app, on the surface, appears ...

Keychain vulnerability in macOS

On Monday, Patrick Wardle, a respected security researcher at Synack and owner of Objective-See, sent a tweet about a keychain vulnerability he had found in macOS High Sierra. As his tweet showed, it is possible for a malicious app to extract, and then exfiltrate, keychain data from High Sierra,...

Patch Ivanti Standalone Sentry and Ivanti Neurons for ITSM now

Ivanti has issued patches for two vulnerabilities. One was discovered in the Ivanti Standalone Sentry, which impacts all supported versions 9.17.0, 9.18.0, and 9.19.0. Older versions are also at risk. The other vulnerability impacts all supported versions of Ivanti Neurons for ITSM—2023.3, 2023.2...

Ransomware review: November 2023

This article is based on research by Marcelo Rivero, Malwarebytes ransomware specialist, who monitors information published by ransomware gangs on their Dark Web sites. In this report, "known attacks" are those where the victim did not pay a ransom. This provides the best overall picture of...

Act now! In-the-wild Zimbra vulnerability needs a workaround

Security experts are warning Zimbra users that a vulnerability for which there is no patch is being actively exploited in the wild. In a security update about the vulnerability, the company offered a temporary workaround which users can apply while waiting for a patch to be created. Zimbra is an...

PrestaShop warns of vulnerability: Update your stores now!

A vulnerability affecting open source e-commerce platform PrestaShop could spell trouble for servers running PrestaShop websites. The 15-year-old organisations platform is currently used by around 300,000 shops worldwide. The exploit is very dependent on specific versions in use, so one PrestaSho...

Beating security fatigue with Troy Hunt, Chloé Messdaghi, and Tanya Janca: Lock and Code S02E06

This week on Lock and Code, we discuss the top security headlines generated right here on Labs. In addition, we speak to Point3 Security chief strategist Chloé Messdaghi, HaveIBeenPwned founder Troy Hunt, and We Hack Purple founder and CEO Tanya Janca about security fatigue. Security fatigue is...

Likely lead generation scam targets potential Malwarebytes MSP partners

Recently, Malwarebytes discovered a potential lead generation scam targeting companies that are interested in our Malwarebtyes Managed Service Provider MSP Program. In the scam, an individual who used the name “Jenny” aggressively contacted potential MSP partners claiming to represent Malwarebyte...

The best test for an EDR solution is one that works for you

Since its inception, the endpoint detection and response EDR market has evolved rapidly with new innovations to better address the cyber landscape and meet customers’ needs for an effective and simple solution that just works. But finding something that just works means something quite different...

Threat spotlight: RobbinHood ransomware takes the driver’s seat

Despite their name, the RobbinHood cybercriminal gang is not stealing from the rich to give to the poor. Instead, these ransomware developers are more like big game hunters—attacking enterprise organizations and critical infrastructure and keeping all the spoils for themselves. In 2019, the...

A week in security (March 25 – 31)

Last week, we looked at plugin vulnerabilities, location tracking app problems, and talked about plain text password woes. We also looked at federal data privacy regulation and took a deep dive into BatMobi Adware. Other cybersecurity news Poisoned software update headache for ASUS Source: The...

Are Deepfakes coming to a scam near you?

Your boss contacts you over Skype. You see her face and hear her voice, asking you to transfer a considerable amount of money to a firm you've never ever heard of. Would you ask for written confirmation of her orders? Or would you simply follow through on her instructions? I would certainly be...

Major data breaches at Adidas, Ticketmaster pummel web users

There's been a number of data breaches and accidental data exposures coming to light in the last few days, and no matter where in the world you happen to be located, you'll want to do some due diligence and see if you've been affected. These aren't small fishes being preyed upon by black hats;...

The Internet of Everything and digital privacy: what you need to know

If you don’t already own Internet of Things IoT devices, you likely will soon. IoT-enabled devices are physical gadgets with built-in Internet connectivity that allow data transmission; often this happens in the background with no indication to the user that anything is happening. The IoT is more...

Black Hat USA 2017 Recap

What do you get when you put hackers, gambling, and dogs together? Black Hat USA 2017 …and a random zoo conference happening next door. Last week, we wrapped up another successful trip to Las Vegas for Black Hat. For those of you who couldn’t make it or had too much Vegas fun and need a reminder ...

Rackspace confirms it suffered a ransomware attack

It's not been a great week for cloud computing service provider Rackspace. On December 2, customers began experiencing problems connecting and logging into their Exchange environments. Rackspace started investigating and discovered an issue that affected its Hosted Exchange environments. Now...

Wanted! US offers $10m bounty for ransomware kingpins

The US State Department is offering a massive $10 million reward if you can help bring DarkSide to justice. The U.S. Department of State announces a reward offer of up to $10,000,000 for information leading to the identification or location of any individuals who holds a key leadership position i...

Report: Organizations remain vulnerable to increasing insider threats

The latest data breach at Capital One is a noteworthy incident not because it affected over 100 million customer records, 140,000 Social Security numbers SSNs, and 80,000 linked bank accounts. Nor was it special because the hack was the result of a vulnerable firewall misconfiguration. Many still...

The global data privacy roadmap: a question of risk

For most American businesses, complying with US data privacy laws follows a somewhat linear, albeit lengthy, path. Set up a privacy policy, don’t lie to the consumer, and check the specific rules if you’re a health care provider, video streaming company, or kids’ app maker. For American businesse...

Can we trust our online project management tools?

How would you feel about sharing confidential information about your company on Twitter or Facebook? That doesn’t sound right, does it? So, in a corporate life where we keep our work calendars online, and where we work together on projects using online flow-planners and online project management...

Tech support scammers GeeksHelp caught again, two years later

Many researchers have noted an increase in tech support scam activity during the past few months. This trend, facilitated by browser lockers, is not surprising considering that other web-based infection methods are not as effective. While people are still receiving cold calls from alleged Microso...

Deepfakes FakeApp tool (briefly) includes cryptominer

A few weeks ago, we took a look at a forum dedicated to Deepfake clips where the site was pushing Coinhive mining scripts in the website's HTML code. As it turns out, there's been another mining blow-out in the form of one of the apps used to make the fakes. That's right—a tool designed to push...

QNAP warns about critical vulnerabilities in NAS systems

QNAP has published a security advisory about two critical vulnerabilities that could allow remote attackers to execute commands via a network. One of the vulnerabilities affects the QTS and QuTS operating systems OS for QNAP’s network attached storage systems NAS. The second one can be found in...

Patch now! Ivanti Endpoint Manager Mobile Authentication vulnerability used in the wild

The Cybersecurity and Infrastructure Security Agency CISA added one new vulnerability to its Known Exploited Vulnerabilities Catalog affecting Ivanti Endpoint Manager Mobile, based on evidence of active exploitation. All Federal Civilian Executive Branch FCEB agencies must remediate this...