AvosLocker enters the ransomware scene, asks for partners

This blog post was authored by Hasherezade In mid-July we responded to an incident that involved an attack on a Microsoft Exchange server. The threat actor used this entry point to get into a Domain Controller and then leveraged it as a springboard to deploy ransomware. While examining the...

Aura - Python Source Code Auditing And Static Analysis On A Large Scale

Aura is a static analysis framework developed as a response to the ever-increasing threat of malicious packages and vulnerable code published on PyPI. Project goals: provide an automated monitoring system over uploaded packages to PyPI, alert on anomalies that can either indicate an ongoing attac...

capa: Automatically Identify Malware Capabilities

capa is the FLARE team’s newest open-source tool for analyzing malicious programs. Our tool provides a framework for the community to encode, recognize, and share behaviors that we’ve seen in malware. Regardless of your background, when you use capa, you invoke decades of cumulative reverse...

Reputation Intelligence At Your Fingertips

How important is a reputation? American entertainer Will Rogers once famously said, “it takes a lifetime to build a good reputation, but you can lose it in a minute.” Our reputations are valuable commodities that establish rapport and clout among our colleagues, partners, and customers. A good...

Get Ready for the Microsoft Windows 7 EOL on January 14th

January 14, 2020, is a day cybersecurity stakeholders should pay attention to, as it marks the end of Microsoft support in Windows 7. From a security perspective, both the routine monthly security patches as well as hot fixes for attacks in the wild will not be available, effectively making any...

Are You Ready for Microsoft Windows 7 End of Support on 14th January 2020?

January 14, 2020, is a day cybersecurity stakeholders should pay attention to, as it marks the end of Microsoft support in Windows 7. From a security perspective, both the routine monthly security patches as well as hotfixes for attacks in the wild will not be available, effectively making any...

Threat Analysis Unit (TAU) Threat Intelligence Notification: DeathRansom Ransomware

During mid-November, a new ransomware named ‘DeathRansom” was found being distributed. Similar to the other variants of ransomware, it will perform the deletion of volume shadow copies to ensure all the data cannot be restored easily. After the DeathRansom performs file encryption, it will drop...

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...

CAPE - Malware Configuration And Payload Extraction

CAPE is a malware sandbox. It is derived from Cuckoo and is designed to automate the process of malware analysis with the goal of extracting payloads and configuration from malware. This allows CAPE to detect malware based on payload signatures, as well as automating many of the goals of malware...

Google Analytics Emerges as a Phishing Tool

Cybercriminals are leveraging key technical markers used in web analytics—particularly Google Analytics—to create more sophisticated and targeted phishing attacks, new research has found. However, this also makes them more susceptible to detection by organizations defending their sites against...

Fearing WannaCry-Level Danger, Enterprises Wrestle with BlueKeep

The nightmare vision of a “mega-worm” global BlueKeep infection could be closer to becoming reality as working exploits are now becoming available to the public, and there’s evidence that adversaries are actively scanning for the vulnerability. Researchers weighed in with Threatpost about how...

Partner Perspectives: From Alert to Action: How VMRay Provides Carbon Black with Detail-Rich Threat Intelligence

Good things happen when two leaders in their respective fields bring together their complementary capabilities. That’s the case with Carbon Black’s deep expertise in endpoint detection and response EDR and VMRay’s singular focus on dynamic malware analysis. The sum ends up being even greater than...

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...