VB Blog

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

Posted by   Martijn Grooten on   Dec 19, 2017

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 acquiring an export licence.

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VB2017 paper: Nine circles of Cerber

Posted by   Martijn Grooten on   Dec 15, 2017

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; we have also uploaded the video of the presentation of this paper, by Or Eshed and Yaniv Balmas.

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

Posted by   Martijn Grooten on   Dec 14, 2017

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.

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

Posted by   Martijn Grooten on   Dec 14, 2017

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.

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Security Planner gives security advice based on your threat model

Posted by   Martijn Grooten on   Dec 13, 2017

Citizen Lab's Security Planner helps you improve your online safety, based on the specific threats you are facing.

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

Posted by   Martijn Grooten on   Dec 11, 2017

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.

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VB2017 paper: Modern reconnaissance phase on APT – protection layer

Posted by   Martijn Grooten on   Dec 7, 2017

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, two of those researchers, Paul Rascagneres and Warren Mercer, presented a paper detailing five case studies that demonstrate how the infection vector is evolving. Today we publish both Paul and Warren's paper and the recording of their presentation.

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VB2017 paper: Peering into spam botnets

Posted by   Martijn Grooten on   Dec 1, 2017

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.

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Throwback Thursday: Anti-malware testing undercover

Posted by   Martijn Grooten on   Nov 30, 2017

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.

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

Posted by   Martijn Grooten on   Nov 30, 2017

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 career in the industry - which is why we have relaunched the VB Security Jobs Market.

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VB2014 paper: Quantifying maliciousness in Alexa top-ranked domains

Paul Royal looks at malware served through the most popular websites.
Paul Royal looks at malware served through the most popular websites. Though VB2014 took place nine months ago, most of the papers presented during the conference remain very… https://www.virusbulletin.com/blog/2015/06/paper-quantifying-maliciousness-alexa-top-ranked-domains/

VB2014 paper: Swipe away, we're watching you

Hong Kei Chan and Liang Huang describe the various aspects and the evolution of point-of-sale malware.
Hong Kei Chan and Liang Huang describe the various aspects and the evolution of point-of-sale malware.Since the close of the VB2014 conference in Seattle in October, we have been… https://www.virusbulletin.com/blog/2015/04/paper-swipe-away-we-re-watching-you/

Paper: a timeline of mobile botnets

Ruchna Nigam provides an overview of more than 60 mobile malware families.
Ruchna Nigam provides an overview of more than 60 mobile malware families. The rise of mobile malware is still a relatively recent thing, with the first actual mobile botnets not… https://www.virusbulletin.com/blog/2015/03/paper-timeline-mobile-botnets/

Facebook launches platform for sharing of threat intelligence

Twitter, Yahoo! amongst early participants in 'ThreatExchange'.
Twitter, Yahoo! amongst early participants in 'ThreatExchange'. When I took my first steps in the security industry, I was surprised by just how much information was shared between… https://www.virusbulletin.com/blog/2015/02/facebook-launches-platform-sharing-threat-intelligence/

VB2014 paper: P0wned by a barcode: stealing money from offline users

Fabio Assolini explains how cybercriminals are targeting boletos.
Fabio Assolini explains how cybercriminals are targeting boletos.Since the close of the VB2014 conference in Seattle in October, we have been sharing VB2014 conference papers as… https://www.virusbulletin.com/blog/2015/02/paper-p0wned-barcode-stealing-money-offline-users/

Conference review: Botconf 2014

Second edition of 'botnet fighting conference' another great success.
Second edition of 'botnet fighting conference' another great success. I had been looking forward to the second edition of the Botconf conference ever since I came back from the… https://www.virusbulletin.com/blog/2014/12/conference-review-botconf-2014/

Macro malware on the rise again

Users taught that having to enable enhanced security features is no big deal.
Users taught that having to enable enhanced security features is no big deal. When I joined Virus Bulletin almost eight years ago, macro viruses were already a thing of the past,… https://www.virusbulletin.com/blog/2014/11/macro-malware-rise-again/

VB2014 paper: Methods of malware persistence on Mac OS X

'KnockKnock' tool made available to the public.
'KnockKnock' tool made available to the public.Over the next few months, we will be sharing VB2014 conference papers as well as video recordings of the presentations. Today, we… https://www.virusbulletin.com/blog/2014/10/paper-methods-malware-persistence-mac-os-x/

Tor exit node found to turn downloaded binaries into malware

Tor provides anonymity, not security, hence using HTTPS is essential.
Tor provides anonymity, not security, hence using HTTPS is essential. A security researcher has discovered a Tor exit node that was modifying binaries downloaded through it on the… https://www.virusbulletin.com/blog/2014/10/tor-exit-node-found-turn-downloaded-binaries-malware/

Windows zero-day used in targeted attacks

Vulnerability used to download BlackEnergy trojan - as discussed during VB2014.
Vulnerability used to download BlackEnergy trojan - as discussed during VB2014. Today is going to be a busy day for system administrators: they were already on high alert following… https://www.virusbulletin.com/blog/2014/10/windows-zero-day-used-targeted-attacks/

Shellshock used to spread Mayhem

Malware switched to more effective Perl installer.
Malware switched to more effective Perl installer. One of the most prominent discussion topics during VB2014 was the 'Shellshock' vulnerability (CVE-2014-6271) in the popular Bash… https://www.virusbulletin.com/blog/2014/10/shellshock-used-spread-mayhem/

Paper: The Hulk

Raul Alvarez studies cavity file infector.
Raul Alvarez studies cavity file infector. Most file infectors increase the length of the infected file, as the malicious code is added as a new section of the host file, or to the… https://www.virusbulletin.com/blog/2014/10/paper-hulk/

Malicious ads served on java.com

If you do need to run plug-ins, make sure you enable click-to-play.
If you do need to run plug-ins, make sure you enable click-to-play. Last week, we published a blog previewing the VB2014 paper 'Optimized mal-ops. Hack the ad network like a boss'… https://www.virusbulletin.com/blog/2014/08/malicious-ads-served-java-com/

VB2014 preview: P0wned by a barcode

Fabio Assolini to speak about malware targeting boletos.
Fabio Assolini to speak about malware targeting boletos.In the weeks running up to VB2014, we will look at some of the research that will be presented at the conference. In the… https://www.virusbulletin.com/blog/2014/08/preview-p0wned-barcode/

Paper: Inside the iOS/AdThief malware

75,000 jailbroken iOS devices infected with malware that steals ad revenues.
75,000 jailbroken iOS devices infected with malware that steals ad revenues. Believing that the device or operating system you use reduces your chance of being affected by malware… https://www.virusbulletin.com/blog/2014/08/paper-inside-ios-adthief-malware/

Paper: Mayhem - a hidden threat for *nix web servers

New kind of malware has the functions of a traditional Windows bot, but can act under restricted privileges in the system.
New kind of malware has the functions of a traditional Windows bot, but can act under restricted privileges in the system. One of the main trends in malware in recent years is a… https://www.virusbulletin.com/blog/2014/07/paper-mayhem-hidden-threat-nix-web-servers/

Paper: VBA is not dead!

Gabor Szappanos looks at the resurgence of malicious VBA macros that use social engineering to activate.
Gabor Szappanos looks at the resurgence of malicious VBA macros that use social engineering to activate.Macro malware had long been assumed dead. After all, macros are disabled by… https://www.virusbulletin.com/blog/2014/07/paper-vba-not-dead/

NCA issues alert on CryptoLocker ransomware

Malware demands $1,000 ransom to decrypt files.
Malware demands $1,000 ransom to decrypt files. This weekend, the UK's National Crime Agency (NCA) issued an alert about the 'CryptoLocker' ransomware - following a similar alert… https://www.virusbulletin.com/blog/2013/11/nca-issues-alert-cryptolocker-ransomware/

Open letter asks AV companies for openness on surveillance malware

Old issue has become hot topic again following Snowden revelations.
Old issue has become hot topic again following Snowden revelations. A group of experts in privacy and digital rights has sent an open letter (pdf) to a number of anti-virus… https://www.virusbulletin.com/blog/2013/10/open-letter-asks-av-companies-openness-surveillance-malware/

Thousands of websites affected by nameserver hijack redirecting visitors to malware

DNS caching causes attack to have a long tail.
DNS caching causes attack to have a long tail. Yesterday, visitors to thousands of Dutch websites were served an 'under construction' page that, through a hidden iframe, was… https://www.virusbulletin.com/blog/2013/08/thousands-websites-affected-nameserver-hijack-redirecting-visitors-malware/

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