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.

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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?"

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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.

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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.

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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

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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.

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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.

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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.

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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?

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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.

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VB2014 preview: two papers on Linux server malware

Researchers from ESET, Yandex and Symantec look at emerging malware trend.
Researchers from ESET, Yandex and Symantec look at emerging malware trend.In the weeks running up to VB2014 (the 24th Virus Bulletin International Conference), we are looking at… https://www.virusbulletin.com/blog/2014/09/preview-two-papers-linux-server-malware/

VB2014 preview: keynote and closing panel

Vulnerability disclosure one of the hottest issues in security.
Vulnerability disclosure one of the hottest issues in security. In the proceedings of the 24th Virus Bulletin conference, the words 'vulnerabilty' and 'vulnerabilities' occur more… https://www.virusbulletin.com/blog/2014/09/preview-keynote-and-closing-panel/

Report: VB100 comparative review on Windows Server 2012

23 out of 29 tested products earn VB100 award.
23 out of 29 tested products earn VB100 award.Windows Server 2012 is the server version of Windows 8, the most recent version of Microsoft's operating system. Though supposedly… https://www.virusbulletin.com/blog/2014/09/report-comparative-review-windows-server-2012/

DNS cache poisoning used to steal emails

Call to use end-to-end encryption and to deploy DNSSEC.
Call to use end-to-end encryption and to deploy DNSSEC.DNS is sometimes called 'the phone book of the Internet'. If true, then it is a phone book that makes it relatively easy to… https://www.virusbulletin.com/blog/2014/09/dns-cache-poisoning-used-steal-emails/

VB2014 preview: Apple without a shell - iOS under targeted attack

FireEye researchers show a large attack vector for Apple's mobile operating system.
FireEye researchers show a large attack vector for Apple's mobile operating system.In the weeks running up to VB2014 (the 24th Virus Bulletin International Conference), we are… https://www.virusbulletin.com/blog/2014/09/preview-apple-without-shell-ios-under-targeted-attack/

Paper: Prosecting the Citadel botnet - revealing the dominance of the Zeus descendent: part two

Aditya K. Sood and Rohit Bansal study the malware's behaviour when ran on a physical machine.
Aditya K. Sood and Rohit Bansal study the malware's behaviour when ran on a physical machine. Last week, we published the first part of the paper 'Prosecting the Citadel botnet -… https://www.virusbulletin.com/blog/2014/09/paper-prosecting-citadel-botnet-revealing-dominance-zeus-descendent-part-two/

Left-to-right override makes a return in spam

Trick shows that spammers still try to beat content-based filters.
Trick shows that spammers still try to beat content-based filters. A decade ago, when spam had become a serious issue, most spam filters tried to block the unwanted emails based on… https://www.virusbulletin.com/blog/2014/09/left-right-override-makes-return-spam/

Crypto blunder makes TorrentLocker easy to crack

Use of single XOR key leaves ransomware open to known-plaintext attack.
Use of single XOR key leaves ransomware open to known-plaintext attack. It has been said many times before: cryptography is hard. Earlier this year, the authors of the 'Bitcrypt'… https://www.virusbulletin.com/blog/2014/09/crypto-blunder-makes-torrentlocker-easy-crack/

VB2014 preview: The three levels of exploit testing

Richard Ford and Marco Carvalho present an idea for how to test products that claim to detect the unknown.
Richard Ford and Marco Carvalho present an idea for how to test products that claim to detect the unknown.In the weeks running up to VB2014 (the 24th Virus Bulletin International… https://www.virusbulletin.com/blog/2014/09/preview-three-levels-exploit-testing/

VB2014 preview: last-minute papers added to the programme

Hot topics to be covered at VB2014 conference in Seattle.
Hot topics to be covered at VB2014 conference in Seattle. Although most of the VB2014 conference programme was announced back in April, it looks anything but dated. A paper on… https://www.virusbulletin.com/blog/2014/09/preview-last-minute-papers-added-programme/

Paper: Prosecting the Citadel botnet - revealing the dominance of the Zeus descendent: part one

Aditya K. Sood and Rohit Bansal dissect botnet primarily used for financial fraud.
Aditya K. Sood and Rohit Bansal dissect botnet primarily used for financial fraud. It is unlikely that anyone still thinks that cybercrime is performed by 16-year-old kids who… https://www.virusbulletin.com/blog/2014/09/paper-prosecting-citadel-botnet-revealing-dominance-zeus-descendent-part-one/

VB2014 preview: 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.In the weeks running up to VB2014 (the 24th Virus Bulletin International… https://www.virusbulletin.com/blog/2014/09/preview-swipe-away-we-re-watching-you/

September

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https://www.virusbulletin.com/blog/2014/09/

VB2014 preview: Design to discover: security analytics with 3D visualization engine

Thibault Reuille and Dhia Mahjoub use particle physics to shows clusters of malicious domains.
Thibault Reuille and Dhia Mahjoub use particle physics to shows clusters of malicious domains.In the weeks running up to VB2014 (the 24th Virus Bulletin International Conference),… https://www.virusbulletin.com/blog/2014/08/preview-design-discover-security-analytics-3d-visualization-engine/

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/

Srizbi kernel-mode spambot reappears as Pitou

Malware possibly still in the 'brewing' stage.
Malware possibly still in the 'brewing' stage. In November 2007, we published an article by Kimmo Kasslin (F-Secure) and Elia Florio (Symantec), in which they analysed the 'Srizbi'… https://www.virusbulletin.com/blog/2014/08/srizbi-kernel-mode-spambot-reappears-pitou/

VB2014 preview: Methods of malware persistence on Mac OS X

Patrick Wardle shows that OS X users really have something to worry about.
Patrick Wardle shows that OS X users really have something to worry about.In the weeks running up to VB2014 (the 24th Virus Bulletin International Conference), we will look at some… https://www.virusbulletin.com/blog/2014/08/preview-methods-malware-persistence-mac-os-x/

More than two million home routers have 'wide open backdoor'

Default password makes vulnerability easy to exploit.
Default password makes vulnerability easy to exploit. Researchers at Trend Micro have discovered an easy-to-exploit backdoor in routers from Chinese manufacturer Netcore, that… https://www.virusbulletin.com/blog/2014/08/more-two-million-home-routers-have-wide-open-backdoor/

VB2014 preview: Duping the machine - malware strategies, post sandbox detection

James Wyke looks at four difference decoy methods.
James Wyke looks at four difference decoy methods.In the weeks running up to VB2014 (the 24th Virus Bulletin International Conference), we will look at some of the research that… https://www.virusbulletin.com/blog/2014/08/preview-duping-machine-malware-strategies-post-sandbox-detection/

Paper: Bird's nest

Raul Alvarez studies the Neshta prepending file infector.
Raul Alvarez studies the Neshta prepending file infector. File infectors can be categorized by how they attach themselves to the host file. A cavity virus attaches itself to the… https://www.virusbulletin.com/blog/2014/08/paper-bird-s-nest/

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