Threat Roundup for May 18-25

Welcome to Cisco Talos' weekly Threat Roundup, where we go over some of the most prevalent malware and vulnerabilities we've seen over the past week. 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...

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...

UPDATE: Sysdig Falco v0.10.0

PenTestIT RSS Feed Four weeks ago, I posted about Sysdig Falco v0.9.0. A week ago, the open source behavorial activity monitor which has container support was updated to Sysdig Falco v0.10.0. This release includes a number of improvements focused on making Falco easier to deploy, improvements wit...

A week in security (April 23 – April 29)

Last week, we dug into behavioral biometrics, explored a new crossrider variant, and embraced the power of "no." We also launched another CrackMe challenge, took a deep dive into smart toys, and finished up with a look at digital privacy in the age of IoT. Other news LinkedIn does battle with...

Securing financial data of the future: behavioral biometrics explained

Some of us would be pretty excited about a brave, new passwordless world. Gone would be the days of having to write down 27 passwords and post them beside monitor screens. Or having to yell them out loud to a colleague on the other side of the room. For banks and other financial institutions, a...

COPPA Compliance

Interesting research: "'Won't Somebody Think of the Children?' Examining COPPA Compliance at Scale": Abstract: We present a scalable dynamic analysis framework that allows for the automatic evaluation of the privacy behaviors of Android apps. We use our system to analyze mobile apps' compliance...

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...

Major update for Wallarm UI

We’ve just released a couple of features we’re really excited about Live Threat Verification results The Active Threat Verification component was always a unique feature of Wallarm. Having the ability to replay the attack/payload against the application or its staging environment gives our...

Why ArtsSEC decided to partner with Wallarm

by Maximiliano Soler, @maxisoler by Maximiliano Soller, CTO of ArtsSEC The greatest thing with partnerships is how well the organisations’ expertise complement each other. Our partnership with Wallarm has incredibly exceeded our expectations in their innovation and expertise in web application...

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: Sysdig Falco v0.7.0

PenTestIT RSS Feed A few months ago, I posted about an open source behavorial activity monitor. It was updated some time ago and we now have update - the Sysdig Falco v0.7.0! What is Sysdig Falco? Sysdig Falco is a behavioral activity monitor designed to detect anomalous activity in your...

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...

Automated Android Malware Analysis: CuckooDroid

CuckooDroid is an extension of Cuckoo Sandbox the Open Source software for automating analysis of suspicious files. CuckooDroid brigs to cuckoo the capabilities of execution and analysis of android application. CuckooDroid is an automated, cross-platform, emulation and analysis framework based on...

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...

“The 101” – Episode 3 – How Do Different Types of Antivirus Work?

We’re back with another episode of The 101! This weekly security series aims to define endpoint security one question at a time. Tune in each week as we tackle a new term, concept, or comparison in our ongoing effort to cut through the noise and provide clear definitions. For the past few decades...

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...