VB Blog

WordPress users urged to manually update to fix bug that prevents automatic updating

Posted by Martijn Grooten on Feb 8, 2018

Users of the popular WordPress content management system are urged to manually update their installation to version 4.9.4, as a bug in the previous version broke the ability to automatically install updates.

Posted by Martijn Grooten on Feb 7, 2018

The Andromeda botnet (aka Gamarue or Wauchos) has plagued Internet users for more than half a decade but, following a takedown effort and the arrest of the suspected botnet owner in December 2017, it is likely we have seen the end of it. In a new paper by Fortinet researchers Bahare Sabouri and He Xu, we look back at the evolution of Andromeda from version 2.06 to 2.10 and demonstrate both how it improved its loader to evade automatic analysis/detection and how the payload varied among the different versions.

Posted by Martijn Grooten on Feb 2, 2018

Reports of malware using the Meltdown or Spectre attacks are likely based on proof-of-concept code rather than files written for a malicious purpose.

Posted by Martijn Grooten on Feb 1, 2018

This Throwback Thursday, we republish the VB2012 paper by Microsoft researcher Amir Fouda, one of the earliest papers to look at malware targeting Bitcoin.

Posted by Martijn Grooten on Jan 31, 2018

We especially encourage those less experienced in speaking in public to submit to the call for papers for VB2018, where we aim to provide a friendly and welcoming environment in which people can both present their own research and learn from what others have been working on.

Posted by Martijn Grooten on Jan 25, 2018

At VB2017 in Madrid, security researcher Randy Abrams presented an overview of the VirusTotal service and then went on to bust several of the persistent myths that surround it. Today we publish both Randy's paper and the recording of his presentation.

Posted by Martijn Grooten on Jan 24, 2018

A new computer emergency response team has been launched in the Netherlands to provide guidance specifically tailored to the healthcare sector. Martijn Grooten welcomes the development.

Posted by Martijn Grooten on Jan 23, 2018

Have you analysed a new online threat? Do you know a new way to defend against such threats? Are you tasked with securing systems and fending off attacks? The call for papers for VB2018 is now open and we want to hear from you!

Posted by Martijn Grooten on Jan 22, 2018

VB Editor Martijn Grooten recommends Jean-Philippe Aumasson's 'Serious Cryptography' as a very solid but practically focused introduction to cryptography.

Posted by Martijn Grooten on Jan 16, 2018

A Necurs pump-and-dump spam campaign pushing the lesser known Swisscoin botnet is mostly background noise for the Internet.

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New article: Dissecting the design and vulnerabilities in AZORult C&C panels

In a new article, Aditya K Sood looks at the command-and-control (C&C) design of the AZORult malware, discussing his team's findings related to the C&C design and some security issues they identified.
Dissecting the Design and Vulnerabilities in AZORult C&C Panels Read the paper (HTML) Download the paper (PDF) If you have some research you'd like to share with the… https://www.virusbulletin.com/blog/2021/04/new-article-dissecting-design-and-vulnerabilities-azorult-cc-panels/

March

https://www.virusbulletin.com/blog/2021/03/

VB2021 localhost call for papers: a great opportunity

VB2021 localhost presents an exciting opportunity to share your research with an even wider cross section of the IT security community around the world than usual, without having to take time out of your work schedule (or budget) to travel.
Earlier this week VB took the tough decision to cancel the in-person version of VB2021 in Prague. We had really hoped to be able to host an in-person event this year, but with… https://www.virusbulletin.com/blog/2021/03/vb2021-localhost-call-papers-great-opportunity/

New article: Excel Formula/Macro in .xlsb?

In a follow-up to an article published last week, Kurt Natvig takes us through the analysis of a new malicious sample using the .xlsb file format.
Excel Formula/Macro in .xlsb? Read the paper (HTML) Download the paper (PDF) Excel Formula, or XLM – does it ever stop giving pain to researchers? So asks Forcepoint… https://www.virusbulletin.com/blog/2021/02/new-article-excel-formulamacro-xlsb/

February

https://www.virusbulletin.com/blog/2021/02/

New article: Decompiling Excel Formula (XF) 4.0 malware

In a new article, researcher Kurt Natvig takes a close look at XF 4.0 malware.
Decompiling Excel Formula (XF) 4.0 malware Read the paper (HTML) Download the paper (PDF) Office malware has been around for a long time, but until recently Excel Formula… https://www.virusbulletin.com/blog/2021/02/new-article-decompiling-excel-formula-xf-40-malware/

The Bagsu banker case - presentation

At VB2019, CSIS researcher Benoît Ancel spoke about a quiet banking trojan actor that has been targeting German users since at least 2014.
Some time ago, researchers at CSIS Security Group discovered the infrastructure of a "quiet" banking trojan actor that had been targeting German users since at least 2014. At… https://www.virusbulletin.com/blog/2021/01/bagsu-banker-case-presentation/

VB2021 call for papers - now open, to all!

The call for papers for VB2021 is now open and we want to hear from you - we're planning for flexible presentation formats, so everyone is encouraged to submit, regardless of whether or not you know at this stage whether you'll be able to travel to Prague…
2020 proved to be an extraordinary – in the true sense of the word – year for everyone, and 2021 has already thrown some curveballs in the short few weeks since it began.… https://www.virusbulletin.com/blog/2021/01/vb2021-call-papers-now-open-all/

In memoriam: Yonathan Klijnsma

We were very sorry to learn of the passing of researcher Yonathan Klijnsma last week. Here, former VB Editor Martijn Grooten shares his memories of a talented researcher and a very kind person: this month, infosec lost a really good one.
We were very sorry to learn of the passing of researcher Yonathan Klijnsma last week and we offer our deepest condolences to his family and friends. Here, former VB Editor Martijn… https://www.virusbulletin.com/blog/2021/01/memoriam-yonathan-klijnsma/

January

https://www.virusbulletin.com/blog/2021/01/

2021

https://www.virusbulletin.com/blog/2021/

VB2020 localhost videos available on YouTube

VB has made all VB2020 localhost presentations available on the VB YouTube channel, so you can now watch - and share - any part of the conference freely and without registration.
Today, VB has made all VB2020 localhost presentations available on VB's YouTube channel, so you can now watch – and share – any part of the conference freely and without… https://www.virusbulletin.com/blog/2021/01/vb2020-localhost-videos-available-youtube/

VB2020 presentation & paper: 2030: backcasting the potential rise and fall of cyber threat intelligence

At VB2020 localhost, threat intelligence consultant Jamie Collier used the analytical technique of backcasting to look at the rise and fall of the cyber threat intelligence industry.
Backcasting is an analytical technique that establishes an imagined future scenario and then works backwards to understand what caused that outcome. At VB2020, FireEye's Jamie… https://www.virusbulletin.com/blog/2020/12/vb2020-presentation-paper-2030-backcasting-potential-rise-and-fall-cyber-threat-intelligence/

VB2020 presentation: Behind the Black Mirror: simulating attacks with mock C2 servers

At VB2020 localhost, Carbon Black's Scott Knight presented an approach he and his colleagues have taken to more realistically simulate malware attacks.
Dynamic analysis of a malicious sample in a lab setup can be hampered by the absence of the malware's C2 server listening and providing responses – potentially resulting in only a… https://www.virusbulletin.com/blog/2020/12/vb2020-presentation-behind-black-mirror-simulating-attacks-mock-c2-servers/

December

https://www.virusbulletin.com/blog/2020/12/

VB2020 presentation & paper: Advanced Pasta Threat: mapping threat actor usage of open-source offensive security tools

At VB2020, researcher Paul Litvak revealed how he put together a comprehensive map of threat actor use of open-source offensive security tools.
The development and publication of offensive security tools (OSTs) is a point of great controversy in the information security community: while some argue that releasing such… https://www.virusbulletin.com/blog/2020/12/vb2020-presentation-paper-advanced-pasta-threat-mapping-threat-actor-usage-open-source-offensive-security-tools/

VB2020 presentation: Evolution of Excel 4.0 macro weaponization

At VB2020 localhost James Haughom, Stefano Ortolani and Baibhav Singh gave a presentation in which they described how XL4 macros are being weaponised and the evolution of the techniques used.
The use by attackers of legitimate Excel 4.0 (XL4) macros as a simple and reliable method to gain a foothold on a target network is becoming increasingly popular and presents a… https://www.virusbulletin.com/blog/2020/11/vb2020-presentation-evolution-excel-40-macro-weaponization/

Cybersecurity Assessment Tool launched by Ford Foundation

The Ford Foundation has launched a tool designed to help nonprofit organizations assess their own cybersecurity efforts.
The Ford Foundation has launched a tool designed to help nonprofit organizations assess their own cybersecurity efforts. The Cybersecurity Assessment Tool is specifically aimed… https://www.virusbulletin.com/blog/2020/11/cybersecurity-assessment-tool-launched-ford-foundation/

VB2020 presentation: Another threat actor day…

At VB2020 localhost Paul Jung, of Excellium Services, detailed an incident response that he and his team faced when, in December 2019, a Belgian hospital required their help to manage a breach of their informations system.
Hospitals can be attractive places for hackers. With access to critical medical records and personally identifiable information, there is great opportunity to exploit patients.… https://www.virusbulletin.com/blog/2020/11/vb2020-presentation-another-threat-actor-day/

VB2020 presentation: Ramsay: a cyber-espionage toolkit tailored for air-gapped networks

At VB2020 localhost, ESET researcher Ignacio Sanmillan spoke about Ramsay, a toolkit specifically designed to steal documents and operate within air-gapped networks.
Air gapping is a network security measure commonly used in military/governmental, financial and industrial control systems networks that is applied to one or more computers in… https://www.virusbulletin.com/blog/2020/11/vb2020-presentation-ramsay-cyber-espionage-toolkit-tailored-air-gapped-networks/

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