Partner Perspectives: Blending Analytics with Endpoint Detection and Response Better Defends the Modern Worker

Ryan Stolte is the co-founder and CTO for Bay Dynamics. There are clearly many reasons why Endpoint Detection and Response EDR has materialized into such a hotbed of interest, investment and emerging best practices - endpoint security must continually evolve within the context of threats and...

Digital Doppelgangers

Carding exists for over 20 years. And it is not dead yet. It is alive, and even more – it is being actively developed by cybercriminals. The "good" old method of entering stolen credit card information into online store forms to buy goods and services or using online payment system accounts for t...

Threat Roundup for Mar. 1 to Mar. 8

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 1 8. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics, indicato...

CB Customer Spotlight: Q&A with MSD of Mt. Vernon’s William Stein

For the past 28 years, William Stein, Certified Education Technology Leader, has served as the Director of Information Systems for the Metropolitan School District MSD of Mt. Vernon in Indiana. Stein uses Carbon Black solutions to protect the K-12 school district’s data by responding to emerging...

Google Updates reCAPTCHA: No More Boxes to Check

Google this week has rolled out its latest version of the reCAPTCHA mechanism, which is meant to weed out spam and abuse by robots on websites. It marks a dramatic departure from previous reCAPTCHA efforts by eliminating the need for visitors to take any extra steps in order to log onto a website...

Don’t Overlook Qualys Malware Detection

Cyber criminals are constantly looking for opportunities to infect legitimate websites with malware. They can use infected websites to cryptomine, steal data, hijack systems, deface pages, and do other damage to harm a company’s reputation and impact their users. This can result in lost revenue,...

BIOS Boots What? Finding Evil in Boot Code at Scale!

The second issue is that reverse engineering all boot records is impractical. Given the job of determining if a single system is infected with a bootkit, a malware analyst could acquire a disk image and then reverse engineer the boot bytes to determine if anything malicious is present in the boot...

Unlock Your SOC with Exabeam and Carbon Black

Endpoints are not safe. There I’ve said it. The network boundaries are gone and endpoints are left exposed directly to threats. Just like watching my kids move out of the house and worrying about how they will fare in the world on their own, we have to realize endpoints are no longer protected by...

VirusTotal launches 'Droidy' sandbox to detect malicious Android apps

One of the biggest and most popular multi-antivirus scanning engine service has today launched a new Android sandbox service, dubbed VirusTotal Droidy, to help security researchers detect malicious apps based on behavioral analysis. VirusTotal, owned by Google, is a free online service that allow...

Avzhan DDoS bot dropped by Chinese drive-by attack

The Avzhan DDoS bot has been known since 2010, but recently we saw it in wild again, being dropped by a Chinese drive-by attack. In this post, we'll take a deep dive into its functionality and compare the sample we captured with the one described in the past. Analyzed sample...

Napoleon: a new version of Blind ransomware

The ransomware previously known as Blind has been spotted recently with a .napoleon extension and some additional changes. In this post, we'll analyze the sample for its structure, behavior, and distribution method. Analyzed samples 31126f48c7e8700a5d60c5222c8fd0c7 - Blind ransomware the first...

Windows Defender ATP machine learning and AMSI: Unearthing script-based attacks that ‘live off the land’

Scripts are becoming the weapon of choice of sophisticated activity groups responsible for targeted attacks as well as malware authors who indiscriminately deploy commodity threats. Scripting engines such as JavaScript, VBScript, and PowerShell offer tremendous benefits to attackers. They run...

BadRabbit: a closer look at the new version of Petya/NotPetya

Petya/NotPetya aka EternalPetya, made headlines in June, due to it's massive attack on Ukraine. Today, we noted an outbreak of a similar-looking malware, called BadRabbit, probably prepared by the same authors. Just like the previous edition, BadRabbit has an infector allowing for lateral...

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...

Inside the Kronos malware – part 1

Recently, a researcher nicknamed MalwareTech famous from stopping the WannaCry ransomware got arrested for his alleged contribution to creating the Kronos banking malware. We are still not having a clear picture whether the allegations are true or not - but let's have a look at Kronos itself...

TrickBot comes with new tricks – attacking Outlook and browsing data

Last year we reported about a new modular malware using a network protocol similar to Dyreza - you can read about it here. The malware was not very stealthy and some parts were looking to be under development, but we noticed its potential and capability to be easily extended. Indeed, authors of...

A .NET malware abusing legitimate ffmpeg

There is a growing trend among malware authors to incorporate legitimate applications in their malicious package. This time, we analyzed a malware downloading a legitimate ffmpeg. Using this application, this simple spyware written in .NET got a powerful feature. Most of the malware is sufficient...

Petya Destructive Malware Variant Spreading via Stolen Credentials and EternalBlue Exploit

UPDATE July 21: FireEye continues to track this threat. An earlier version of this post has been updated to reflect new findings. On June 27, 2017, multiple organizations – many in Europe – reported significant disruptions they are attributing to a variant of the Petya ransomware, which we are...

Antivirus evolved

Some say antivirus is an outdated technology. What does “antivirus” even mean? For us, antivirus is the most commonly recognized term that means for customers “a product that stops bad programs from infecting my device.” Saying “antivirus” is similar to when you hear a Southerner like myself say...

Dynamic Diversification Engine: malWASH

Dynamic Diversification Engine malWASH is a dynamic diversification engine that executes an arbitrary program without being detected by dynamic analysis tools. In other words, it is a malware engine, that can make existing malware, to evade all existing behavioral and dynamic analysis detection...