VB Blog

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

Posted by   Martijn Grooten on   Nov 29, 2017

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 platforms. Today we publish both Patrick's paper and the recording of his presentation.

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Search blog

VB2014 preview: Labelling spam through the analysis of protocol patterns

Andrei Husanu and Alexandru Trifan look at what TCP packet sizes can teach us.
Andrei Husanu and Alexandru Trifan look at what TCP packet sizes can teach us.In the weeks running up to VB2014 (the 24th Virus Bulletin International Conference), we will look at… https://www.virusbulletin.com/blog/2014/08/preview-labelling-spam-through-analysis-protocol-patterns/

VB2014 preview: Optimized mal-ops. Hack the ad network like a boss

Researchers Vadim Kotov and Rahul Kashyap to discuss how advertisements are the new exploit kits.
Researchers Vadim Kotov and Rahul Kashyap to discuss how advertisements are the new exploit kits.In the weeks running up to VB2014 (the 24th Virus Bulletin International… https://www.virusbulletin.com/blog/2014/08/preview-optimized-mal-ops-hack-ad-network-boss/

Guest blog: Cyber insurance, is it for you?

Sorin Mustaca looks at how companies trading online can insure the risks they run.
Sorin Mustaca looks at how companies trading online can insure the risks they run.Throughout its 25 year history, Virus Bulletin has regularly published technical analyses of the… https://www.virusbulletin.com/blog/2014/08/guest-blog-cyber-insurance-it-you/

Google to take tough stance on homoglyph attacks

Good idea, but unlikely to have a huge impact.
Good idea, but unlikely to have a huge impact. Ever since internationalized domain names (IDNs) were introduced in the last decade, allowing people to use non-ASCII characters in… https://www.virusbulletin.com/blog/2014/08/google-take-tough-stance-homoglyph-attacks/

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/

$83k in bitcoins 'stolen' through BGP hijack

Short-lived network changes used to make miners connect to rogue pool.
Short-lived network changes used to make miners connect to rogue pool. Researchers at Dell SecureWorks have discovered an operation that used BGP hijacking to force bitcoin miners… https://www.virusbulletin.com/blog/2014/08/83k-bitcoins-stolen-through-bgp-hijack/

Report: 15 solutions achieve VBSpam award

Despite short spike, image spam no problem for spam filters.
Despite short spike, image spam no problem for spam filters. Good news for those who need to run a spam filter (in other words: everyone who runs a mail server). For the second… https://www.virusbulletin.com/blog/2014/08/report-15-solutions-achieve-vbspam-award/

Researchers release CryptoLocker decryption tool

Tool uses private keys found in database of victims.
Tool uses private keys found in database of victims.Please note: this blog post was written in August 2014 and refers to a particular kind of encryption-ransomware that was active… https://www.virusbulletin.com/blog/2014/08/researchers-release-cryptolocker-decryption-tool/

Paper: IcoScript: using webmail to control malware

RAT gets instructions from Yahoo Mail address.
RAT gets instructions from Yahoo Mail address. One of the big challenges for malicious actors in operating a RAT (remote administration tool) is how to control the malware and… https://www.virusbulletin.com/blog/2014/08/paper-icoscript-using-webmail-control-malware/

August

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2014/08/

Paper: Learning about Bflient through sample analysis

Flexible module-handling mechanism allows malware to adjust functionalities at will.
Flexible module-handling mechanism allows malware to adjust functionalities at will. The history of the 'Bflient' worm goes back to the discovery of its first variants in June… https://www.virusbulletin.com/blog/2014/07/paper-learning-about-bflient-through-sample-analysis/

Report: VB100 comparative review on Windows 7

29 out of 35 tested products earn VB100 award.
29 out of 35 tested products earn VB100 award. The various changes at Virus Bulletin mean that things are busier than ever in our office. Still, behind the scenes we continue to… https://www.virusbulletin.com/blog/2014/07/report-comparative-review-windows-7/

Call for last-minute papers for VB2014 announced

Seven speaking slots waiting to be filled with presentations on 'hot' security topics.
Seven speaking slots waiting to be filled with presentations on 'hot' security topics. Earlier this year, we announced the programme for VB2014: three days filled with excellent… https://www.virusbulletin.com/blog/2014/07/call-last-minute-papers-announced/

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/

Google's Project Zero to hunt for zero-days

Bugs to be reported to the vendor only, and to become public once patched.
Bugs to be reported to the vendor only, and to become public once patched.Google has created a new team, called Project Zero, whose task is to find vulnerabilities in any kind of… https://www.virusbulletin.com/blog/2014/07/google-s-project-zero-hunt-zero-days/

Paper: API-EPO

Raul Alvarez studies the unique EPO methodology used by the W32/Daum file infector.
Raul Alvarez studies the unique EPO methodology used by the W32/Daum file infector. A few months ago, we published an article by Fortinet's Raul Alvarez on the Expiro file… https://www.virusbulletin.com/blog/2014/07/paper-api-epo/

Paper: Not old enough to be forgotten: the new chic of Visual Basic 6

Marion Marschalek looks at two Miuref binaries: one packed with Visual Basic 6 and one with C++.
Marion Marschalek looks at two Miuref binaries: one packed with Visual Basic 6 and one with C++. Two months ago, Microsoft announced it had added 'Miuref' to its Malicious Software… https://www.virusbulletin.com/blog/2014/07/paper-not-old-enough-be-forgotten-new-chic-visual-basic-6/

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/

'Cyber attack on hedge fund' turns out to be internal 'scenario' used by BAE Systems

Story that appeared to be taken from fiction turns out... to have been fiction.
Story that appeared to be taken from fiction turns out... to have been fiction. Two weeks after BAE Systems reported its technicians had thwarted an attack against hedge fund… https://www.virusbulletin.com/blog/2014/07/cyber-attack-hedge-fund-turns-out-be-internal-scenario-used-bae-systems/

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