VB Blog

VB2018 paper: Draw me like one of your French APTs – expanding our descriptive palette for cyber threat actors

Posted by   Martijn Grooten on   Jan 7, 2019

Today, we publish the VB2018 paper by Chronicle researcher Juan Andres Guerrero-Saade, who argues we should change the way we talk about APT actors.

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Book Review: Cyber Wars

Posted by   Martijn Grooten on   Dec 19, 2018

VB Editor Martijn Grooten reviews Charles Arthur's Cyber Wars, which looks at seven prominent hacks and attacks, and the lessons we can learn from them.

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VB2018 paper: Office bugs on the rise

Posted by   Martijn Grooten on   Dec 14, 2018

At VB2018 Sophos researcher Gábor Szappanos provided a detailed overview of Office exploit builders, and looked in particular at the widely exploited CVE-2017-0199. Today we publish his paper and release the video of his presentation.

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VB2018 video: The Big Bang Theory by APT-C-23

Posted by   Martijn Grooten on   Dec 12, 2018

Today, we release the video of the VB2018 presentation by Check Point researcher Aseel Kayal, who connected the various dots relating to campaigns by the APT-C-23 threat group.

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VB2019 London - join us for the most international threat intelligence conference!

Posted by   Martijn Grooten on   Dec 11, 2018

VB calls on organisations and individuals involved in threat intelligence from around the world to participate in next year's Virus Bulletin conference.

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VB2018 paper: Tracking Mirai variants

Posted by   Martijn Grooten on   Dec 7, 2018

Today, we publish the VB2018 paper by Qihoo 360 researchers Ya Liu and Hui Wang, on extracting data from variants of the Mirai botnet to classify and track variants.

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VB2018 paper: Hide'n'Seek: an adaptive peer-to-peer IoT botnet

Posted by   Martijn Grooten on   Dec 6, 2018

2018 has seen an increase in the variety of botnets living on the Internet of Things - such as Hide'N'Seek, which is notable for its use of peer-to-peer for command-and-control communication. Today, we publish the VB2018 paper by Bitdefender researchers Adrian Șendroiu and Vladimir Diaconescu, who studied the Hide'N'Seek IoT botnet. We also release the recording of their presentation.

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New paper: Botception: botnet distributes script with bot capabilities

Posted by   Martijn Grooten on   Dec 4, 2018

In a new paper, Avast researchers Jan Sirmer and Adolf Streda look at how a spam campaign sent via the Necurs botnet was delivering the Flawed Ammyy RAT. As well as publishing the paper, we have also released the video of the reseachers' VB2018 presentation on the same topic.

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VB2018 video: Behind the scenes of the SamSam investigation

Posted by   Martijn Grooten on   Nov 29, 2018

Today we have published the video of the VB2018 presentation by Andrew Brandt (Sophos) on the SamSam ransomware, which became hot news following the indictment of its two suspected authors yesterday.

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VB2018 video: Foreverdays: tracking and mitigating threats targeting civil society orgs

Posted by   Martijn Grooten on   Nov 28, 2018

Today, we publish the video of the VB2018 presentation by CitizenLab researchers Masashi Nishihata and John Scott Railton, on threats faced by civil society.

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Search blog

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/

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/

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/

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/

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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