VB Blog

VB2016 video: Last-minute paper: Malicious proxy auto-configs: an easy way to harvest banking credentials

Posted by   Martijn Grooten on   May 30, 2017

In a VB2016 last-minute presentation, Jaromír Horejší and Jan Širmer looked at Retefe, a trojan that has targeted banks in several European countries and used malicious proxy auto-config filesto redirect users' traffic to a server controlled by the attackers. A recording of their presentation is now available to view on our YouTube channel.

Read more  

WannaCry shows we need to understand why organizations don't patch

Posted by   Martijn Grooten on   May 17, 2017

Perhaps the question we should be asking about WannaCry is not "why do so many organizations allow unpatched machines to exist on their networks?" but "why doesn't patching work reasonably well most of the time?"

Read more  

Modern security software is not necessarily powerless against threats like WannaCry

Posted by   Martijn Grooten on   May 15, 2017

The WannaCry ransomware has affected many organisations around the world, making it probably the worst and most damaging of its kind. But modern security is not necessarily powerless against such threats.

Read more  

Throwback Thursday: CARO: A personal view

Posted by   Helen Martin on   May 11, 2017

This week sees the 11th International CARO Workshop taking place in Krakow, Poland – a prestigious annual meeting of anti-malware and security experts. As a founding member of CARO, Fridrik Skulason was well placed, in August 1994, to shed some light on the organization, to explain in detail CARO's main activities and functions, as well as the reasons behind its strict membership regulations.

Read more  

VB2016 paper: Uncovering the secrets of malvertising

Posted by   Martijn Grooten on   May 10, 2017

Malicious advertising, a.k.a. malvertising, has evolved tremendously over the past few years to take a central place in some of today’s largest web-based attacks. It is by far the tool of choice for attackers to reach the masses but also to target them with infinite precision and deliver such payloads as ransomware. Today, we publish a paper presented at VB2016 in Denver by Malwarebytes researchers Jérôme Segura and Chris Boyd, in which they look at the advertising ecosystem, how it is used, and at what techniques are being utilised to spread malware

Read more  

Throwback Thursday: Tools of the DDoS Trade

Posted by   Helen Martin on   May 4, 2017

As DDoS attacks become costlier to fix and continue to increase in both number and diversity, we turn back the clock to 2000, when Aleksander Czarnowski took a look at the DDoS tools of the day.

Read more  

VB2016 paper: Building a local passiveDNS capability for malware incident response

Posted by   Martijn Grooten on   May 4, 2017

At VB2016, Splunk researchers Kathy Wang and Steve Brant presented a Splunk app that can be used to locally collect passive DNS data. A recording of their presentation is now available to view on our YouTube channel.

Read more  

VB2016 video: Last-minute paper: A malicious OS X cocktail served from a tainted bottle

Posted by   Martijn Grooten on   Apr 28, 2017

In a VB2016 last-minute presentation, ESET researchers Peter Kalnai and Martin Jirkal looked at the OS X malware threats KeRanger and Keydnap, that both spread through a compromised BitTorrent client. A recording of their presentation is now available to view on our YouTube channel.

Read more  

Consumer spyware: a serious threat with a different threat model

Posted by   Martijn Grooten on   Apr 25, 2017

Consumer spyware is a growing issue and one that can have serious consequences: its use is increasingly common in domestic violence. But do our threat models consider the attacker with physical access to, and inside knowledge of the victim?

Read more  

VB2016 paper: Debugging and monitoring malware network activities with Haka

Posted by   Martijn Grooten on   Apr 24, 2017

In their VB2016 paper, Stormshield researchers Benoît Ancel and Mehdi Talbi introduced Haka, an open-source language to monitor, debug and control malicious network traffic. Both their paper and the video recording of their presentation are now available to read/view on www.virusbulletin.com.

Read more  

Search blog

Facebook helps you determine whether emails really came from its servers

On its website, Facebook now shows which emails it has sent you recently, thus helping you to determine which emails are real, and which should be discarded as phishing.
There are many good reasons to criticize Facebook for its collecting of our personal data, but the company also deserves credit for being at the forefront when it comes to online… https://www.virusbulletin.com/blog/2017/12/facebook-helps-you-determine-whether-emails-really-came-them/

Vulnerability disclosure and botnet takedown not to be hindered by Wassenaar Arrangement

Clarification in the language of the Wassenaar Arrangement, a multilateral export control regime for conventional arms and dual-use goods and technologies, means those involved in vulnerability disclosure or botnet takedown won't have to worry about acqui…
I have never been too keen on making comparisons between (advanced) cyber attacks and conventional war, as such comparisons tend to ignore the enormous human cost that comes with… https://www.virusbulletin.com/blog/2017/12/vulnerability-disclosure-and-botnet-takedown-not-be-hindered-wassenaar-arrangement/

VB2017 paper: Nine circles of Cerber

Cerber is one of the major names in the world of ransomware, and last year, Check Point released a decryption service for the malware. Today, we publish a VB2017 paper by Check Point's Stanislav Skuratovich describing how the Cerber decryption tool worked…
Earlier this week, we published the video of a VB2017 presentation on the Spora ransomware. Spora is hardly alone in this prominent threat type though, and one of the other major… https://www.virusbulletin.com/blog/2017/12/vb2017-paper-nine-circles-cerber/

Attack on Fox-IT shows how a DNS hijack can break multiple layers of security

Dutch security firm Fox-IT deserves praise for being open about an attack on its client network. There are some important lessons to be learned about DNS security from its post-mortem.
Every company will, sooner or later, get hacked and we should judge them by how they respond. With that in mind, Fox-IT, which writes in great detail about how a DNS hijack was… https://www.virusbulletin.com/blog/2017/12/attack-fox-it-shows-how-dns-hijack-can-break-multiple-layers-security/

Throwback Thursday: BGP - from route hijacking to RPKI: how vulnerable is the Internet?

For this week's Throwback Thursday, we look back at the video of a talk Level 3's Mike Benjamin gave at VB2016 in Denver, on BGP and BGP hijacks.
Yesterday, a 'mysterious event' involving BGP, the Internet's border gateway protocol, led to the traffic to many popular websites being routed for around six minutes. BGP… https://www.virusbulletin.com/blog/2017/12/throwback-thursday-bgp-route-hijacking-rpki-how-vulnerable-internet/

Security Planner gives security advice based on your threat model

Citizen Lab's Security Planner helps you improve your online safety, based on the specific threats you are facing.
During the upcoming holiday season, many security professionals will be visiting relatives and, during their visit, being asked to fulfil the role of ad-hoc tech support. Apart… https://www.virusbulletin.com/blog/2017/12/security-planner-gives-security-advice-based-your-threat-model/

VB2017 video: Spora: the saga continues a.k.a. how to ruin your research in a week

Today, we publish the video of the VB2017 presentation by Avast researcher Jakub Kroustek and his former colleague Előd Kironský, now at ESET, who told the story of Spora, one of of the most prominent ransomware families of 2017.
First discovered at the beginning of the year, the Spora ransomware has become one of of the most prominent ransomware families of 2017, especially in Russia, a region it appears… https://www.virusbulletin.com/blog/2017/12/vb2017-video-spora-saga-continues-k-how-ruin-your-research-week/

VB2017 paper: Modern reconnaissance phase on APT – protection layer

During recent research, Cisco Talos researchers observed the ways in which APT actors are evolving and how a reconnaissance phase is included in the infection vector in order to protect valuable zero-day exploits or malware frameworks. At VB2017 in Madrid…
Targeted attack campaigns involve multiple stages, the first of which consists of collecting information about the target: the reconnaissance phase. It's an essential part of any… https://www.virusbulletin.com/blog/2017/12/vb2017-paper-modern-reconnaissance-phase-apt-protection-layer/

VB2017 paper: Peering into spam botnets

At VB2017 in Madrid, CERT Poland researchers Maciej Kotowicz and Jarosław Jedynak presented a paper detailing their low-level analysis of five spam botnets. Today we publish their full paper.
Spam continues to be an important infection vector for many malware campaigns, but while a lot of attention is paid to the payloads delivered by these campaigns – Andrew Brandt's… https://www.virusbulletin.com/blog/2017/12/vb2017-paper-peering-spam-botnets/

Throwback Thursday: Anti-malware testing undercover

We look back at the VB2016 presentation by Righard Zwienenberg (ESET) and Luis Corrons (Panda Security), in which they discussed various issues relating to anti-malware testing.
The testing of security products has been a hotly debated topic in the industry for at least the past two decades. It was, for instance, the topic of a popular VB2017 paper by… https://www.virusbulletin.com/blog/2017/11/throwback-thursdayanti-malware-testing-undercover/

Virus Bulletin relaunches VB Security Jobs Market for both employers and job seekers

As an independent body in the IT security industry, Virus Bulletin is in an ideal position to act as a global source of information both about jobs currently available in the field and about those candidates currently seeking to start or progress their ca…
We don't like dramatic headlines here at Virus Bulletin, and whether there really are one million security job openings, as is often claimed, we don't know (there probably… https://www.virusbulletin.com/blog/2017/11/virus-bulletin-relaunches-vb-security-jobs-market-both-employers-and-job-seekers/

VB2017 paper: Offensive malware analysis: dissecting OSX/FruitFly.B via a custom C&C server

At VB2017 in Madrid, macOS malware researcher Patrick Wardle presented the details of a specific piece of Mac malware, FruitFly, which he analysed through a custom C&C server - a technique that will also be of interest for researchers of malware on other …
Few readers of this blog will believe that there aren't any security issues with Apple's macOS operating system, a point made rather unsubtly by yesterday's discovery of a flaw… https://www.virusbulletin.com/blog/2017/11/vb2017-paper-offensive-malware-analysis-dissecting-osxfruitflyb-custom-cc-server/

Tizi Android malware highlights the importance of security patches for high-risk users

Researchers from Google have taken down 'Tizi', an Android malware family, that used nine already patched vulnerabilities to obtain root on infected devices.
A well-known security researcher once said: "if you purposely choose Android you are either Poor, Cheap, or really hate Apple." Android has a bad reputation in security… https://www.virusbulletin.com/blog/2017/11/tizi-android-malware-highlights-importance-security-patches-high-risk-users/

Virus Bulletin to attend AMTSO, AVAR and Botconf

Next week, Virus Bulletin researchers will be attending the AMTSO meeting and AVAR conference in Beijing, China, as well as the 5th edition of the Botconf conference in Montpellier, France.
Next week, Virus Bulletin will attend a number of important security conferences in Beijing, China and Montpellier, France.     In Beijing, security… https://www.virusbulletin.com/blog/2017/11/virus-bulletin-attend-amtso-avar-and-botconf/

VB2017 video: FinFisher: New techniques and infection vectors revealed

Today, we publish the video of the VB2017 presentation by ESET researcher Filip Kafka, who looked at recent changes in the FinFisher government malware, including its infection vectors.
Over the last few years, the infamous FinFisher government spyware (already the subject of a VB2013 paper) has done a good job of staying under the radar. Recently, however, it… https://www.virusbulletin.com/blog/2017/11/vb2017-video-finfisher-new-techniques-and-infection-vectors-revealed/

Throwback Thursday: The beginning of the end(point): where we are now and where we'll be in five years

We look back at the VB2016 presentation by Adrian Sanabria on the state of endpoint security, both now and in the future.
Over the coming weeks and months, we plan to use the Throwback Thursday slot to look back at and publish some great VB conference presentations from our archives. We start… https://www.virusbulletin.com/blog/2017/11/vb2017-video-beginning-endpoint-where-we-are-now-and-where-well-be-five-years/

VB2017 paper: Beyond lexical and PDNS: using signals on graphs to uncover online threats at scale

At VB2017 in Madrid, Cisco Umbrella (OpenDNS) researchers Dhia Mahjoub and David Rodriguez presented a new approach to detecting infected machines using graphs to detect botnet traffic at scale. Today we publish both Dhia and David's paper and the recordi…
Malicious Internet traffic, such as botnet C&C traffic, is easily recognized if it uses known bad domain names, or known bad IP addresses. This is why botnets constantly change… https://www.virusbulletin.com/blog/2017/11/vb2017-paper-beyond-lexical-and-pdns-using-signals-graphs-uncover-online-threats-scale/

Firefox 59 to make it a lot harder to use data URIs in phishing attacks

Firefox developer Mozilla has announced that, as of version 59 of the browser, many kinds of data URIs, which provide a way to create "domainless web content", will not be rendered in the browser, thus making this trick - used in various phishing campaign…
While a domain name is really just a short string, this string comes with a large amount of implicit metadata: the registration date; the IP address(es) the domain currently… https://www.virusbulletin.com/blog/2017/11/firefox-59-make-it-lot-harder-use-data-uris-phishing-attacks/

Standalone product test: FireEye Endpoint

Virus Bulletin ran a standalone test on FireEye's Endpoint Security solution.
FireEye is well known within the security community, both for its advanced protection products and for its regular research reports. Recently, the company launched a new version… https://www.virusbulletin.com/blog/2017/11/standaline-test-fireeye-endpoint/

We have placed cookies on your device in order to improve the functionality of this site, as outlined in our cookies policy. However, you may delete and block all cookies from this site and your use of the site will be unaffected. By continuing to browse this site, you are agreeing to Virus Bulletin's use of data as outlined in our privacy policy.