The Phishing Industry

As I mentioned in my previous blog post, phishing attacks are now being created and executed on an industrial scale. Malicious actors are increasingly using highly sophisticated off-the-shelf phishing kits that allow them to deliver very targeted, short-lived attacks. These campaigns direct victi...

Cybercriminals Adding Sophistication to BEC Threats

Cybercriminals are boosting their game and employing new tactics to move up the chain of command with more sophisticated business email compromise BEC threats that pose a greater threat to organizations, according to a new report. Advanced BEC attacks–including impersonation attacks and CEO...

300 shades of gray: a look into free mobile VPN apps

The times, they are a changin'. When users once felt free to browse the Internet anonymously, post about their innermost lives on social media, and download apps with frivolity, folks are playing things a little closer to the vest these days. Nowadays, users are paying more attention to privacy a...

The Need for an Updated Kill Chain

“Cyber Kill Chain” The “Cyber Kill Chain”—created in 2011 by Lockheed Martin—was designed to be a model that “identifies what…adversaries must complete in order to achieve their objective.” This framework has been widely used through the cybersecurity world and informs prevention-heavy strategy. ...

The Hottest Malware Hits of the Summer

It's been a summer of ransomware hold-ups, supply chain attacks and fileless attacks flying under the radar of old-school security. With malware running amok while we were lying on the beach, here's a recap of the most burning strains and trends seen in the wild during the months of July and Augu...

Clickjacking Evolves to Hook Millions of Top-Site Visitors

Clickjacking, where links on a website redirect unknowing users to spam, advertising or malware, has been around for decades. However, new tactics that defy the best mitigation efforts of browsers has led to it affecting millions of internet users browsing the web’s top sites, researchers found i...

Labs quarterly report finds ransomware’s gone rampant against businesses

Ransomware's back—so much so that we created an entire report on it. For 10 quarters, we've covered cybercrime tactics and techniques, covering a wide range of threats we saw lodged against consumers and businesses through our product telemetry, honeypots, and threat intelligence. We've looked at...

Will XDR Improve Security?

Cybercriminals and malicious hackers have been shifting their tactics, techniques, and procedures TTPs to improve their ability to infiltrate an organization and stay under the radar of security professionals and solutions. Moving to more targeted attack methods appears to be a mainstay among...

A week in security (July 8 – 14)

Last week on Malwarebytes Labs, we looked at ways to send your sensitive information in a secure fashion, examined some tactics in incident response land, and explored federal data privacy law. We also looked at how security tools can turn against you, and took a deep dive into the rather fiendis...

CB TAU Threat Intelligence Notification: Buran Ransomware

Recently there was malvertising campaign which would redirect users to RIG exploit kit and then infecting victim’s computer with a new ransomware named as Buran Ransomware. It will drop a ransom note named ‘!!! YOUR FILES ARE ENCRYPTED !!!.txt’ and append victim’s personal ID as extensions to the...

Countdown to Black Hat: Top 10 Sessions to Attend — #5

Black Hat USA 2019, which is only one month away, offers scores of training courses and research briefings, so every week we’re picking a session we believe Qualys customers will find valuable. This week’s selection is the training course Adversary Tactics -- Detection. This course focuses on...

Scammers Prey on Instagram Vanity and 'Verified Account' Status

UPDATE A new Instagram phishing scam circulating the internet lures victims in with promises of exclusive “verified account” status – and then makes away with their personal information. The scam centers around Instagram’s labeling of verified accounts, which indicates that the account user is a...

Design/Logic Flaw

A vulnerability exists in Rancher 2.1.4 in the login component, where the errorMsg parameter can be tampered to display arbitrary content, filtering tags but not special characters or symbols. There's no other limitation of the message, allowing malicious users to lure legitimate users to visit...

CVE-2019-11881

Summary: CVE-2019-11881 affects Rancher server versions prior to 2.2.4, in the login component. The vulnerability arises from tampering with the “errorMsg” parameter, which can display arbitrary content after filtering tags but not special characters, enabling attackers to lure users to phishing ...

Sorpresa! JasperLoader targets Italy with a new bag of tricks

Nick Biasini and Edmund Brumaghin authored this blog post. Executive summary Over the past few months, a new malware loader called JasperLoader has emerged that targets Italy and other European countries with banking trojans such as Gootkit. We recently released a comprehensive analysis of the...

Verizon’s DBIR Highlights Key Drivers of Security Risk

It’s that time of the year when Verizon updates us on the latest trends in the global threat landscape with its Data Breach Investigations Report DBIR. The findings in this year’s report are based on data provided by more than 70 sources including Qualys about more than 41,000 security incidents,...

ScarCruft APT Adds Bluetooth Harvester to its Malware Bag of Tricks

The ScarCruft Korean-speaking APT is changing up its espionage tactics to include an unusual piece of malware devoted to harvesting Bluetooth information – while also showing some overlap with the DarkHotel APT. An analysis of ScarCruft’s binary infection procedure by Kaspersky Lab shows that in ...

Mysterious database exposed personal information of 80 million US households

Word has broken of yet another massive data trove exposed for anyone to see. A research team from vpnMentor discovered an exposed 24GB database hosted on a Microsoft cloud server containing the addresses, income levels, and marital statuses of users within 80 million US households. As we’ve seen...

DNSpionage brings out the Karkoff

Warren Mercer and Paul Rascagneres authored this post. Update 4/24: The C2 section below now includes details around the XOR element of the C2 communication system. Executive summary In November 2018, Cisco Talos discovered an attack campaign, called DNSpionage, in which threat actors created a n...

CARBANAK Week Part One: A Rare Occurrence

It is very unusual for FLARE to analyze a prolifically-used, privately-developed backdoor only to later have the source code and operator tools fall into our laps. Yet this is the extraordinary circumstance that sets the stage for CARBANAK Week, a four-part blog series that commences with this...