VB Blog

Subtle change could see a reduction in installation of malicious Chrome extensions

Posted by Martijn Grooten on Jun 13, 2018

Google has made a subtle change to its Chrome browser, banning the inline installation of new extensions, thus making it harder for malware authors to trick users into unwittingly installing malicious extensions.

Posted by Martijn Grooten on Jun 11, 2018

We publish a paper by researchers from Quick Heal Security Labs in India, who study the EternalBlue and DoublePulsar exploits in full detail.

Posted by Virus Bulletin on Jun 1, 2018

Several VB2018 papers deal explicitly or implicitly with threats that have been attributed to North Korean actors.

Posted by Martijn Grooten on May 31, 2018

The domain of the little-used SpamCannibal DNS blacklist had expired, resulting in it effectively listing every single IP address.

Posted by Martijn Grooten on May 30, 2018

Researchers at IBM X-Force have discovered MnuBot, a banking trojan targeting users in Brazil, which is noteworthy for using SQL Server for command and control communication.

Posted by Martijn Grooten on May 24, 2018

The 68-byte EICAR test file plays as important a role today as it did 19 years ago. In this week's Throwback Thursday we look back at a VB99 conference paper in which Randy Abrams described how this 'miracle tool' worked and how it could be used.

Posted by Martijn Grooten on May 23, 2018

A new piece of cryptocurrency-mining malware on macOS has been found to use the popular XMRig miner.

Posted by Martijn Grooten on May 22, 2018

CDN provider Cloudflare reports an increase in DDoS attacks targeting layer 7 and focusing on exhausting server resources rather than sending large volumes of data. This fits in a wider trend.

Posted by Martijn Grooten on May 15, 2018

Through fake social media accounts, users were tricked into installing an Android application that was actually a mobile version of the FinFisher spyware.

Posted by Martijn Grooten on May 9, 2018

The Hide'n'Seek IoT botnet has received an update to make its infection persist on infected devices beyond a restart.

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VB2019 paper: A study of Machete cyber espionage operations in Latin America

At VB2019 in London a group of researchers from the Stratosphere Lab at the Czech Technical University in Prague presented a paper in which they analysed and dissected the cyber espionage activities of an APT group in Latin America through the analysis of…
A study of Machete cyber espionage operations in Latin America Read the paper (HTML) Download the paper (PDF) Latin America has long been a hotbed for… https://www.virusbulletin.com/blog/2019/12/vb2019-paper-study-machete-cyber-espionage-operations-latin-america/

VB2019 paper: The push from fiction for increased surveillance, and its impact on privacy

In a paper presented at VB2019 in London, researchers Miriam Cihodariu (Heimdal Security) and Andrei Bogdan Brad (Code4Romania) looked at how surveillance is represented in fiction and how these representations are shaping people's attitudes to surveillan…
Levels of anxiety over technology and interconnectedness are growing. People are becoming increasingly concerned about privacy, and wary that every gadget or app… https://www.virusbulletin.com/blog/2019/12/vb2019-paper-push-fiction-increased-surveillance-and-its-impact-privacy/

December

https://www.virusbulletin.com/blog/2019/12/

VB2019 paper: Oops! It happened again!

At VB2019 in London industry veterans Righard Zwienenberg and Eddy Willems took a detailed look at the relationship between past and current cyber threats. Today, we publish both their paper and the recording of their presentation.
Oops! It happened again! Read the paper (HTML) Download the paper (PDF) Different forms of malware and cyber threats are constantly making the news headlines,… https://www.virusbulletin.com/blog/2019/12/vb2019-paper-oops-it-happened-again/

Job vacancy at VB: Security Evangelist

Virus Bulletin is recruiting for a person to be the public face of the company
Virus Bulletin is a small company with a largely remote team based all over Europe that is placed at the heart of the IT security industry. Through its product testing, annual… https://www.virusbulletin.com/blog/2019/11/job-vacancy-vb-security-evangelist/

VB2019 video: Thwarting Emotet email conversation thread hijacking with clustering

At VB2019 in London, ZEROSPAM researchers Pierre-Luc Vaudry and Olivier Coutu discussed how email clustering could be used to detect malicious Emotet emails that hijacked existing email threads. Today we publish the recording of their presentation.
Having returned from its summer break, Emotet is once again being used as the first stage of many often prominent and costly malware infections. A detailed analysis of the malware… https://www.virusbulletin.com/blog/2019/11/vb2019-video-thwarting-emotet-email-conversation-thread-hijacking-clustering/

VB2019 paper: A vine climbing over the Great Firewall: a long-term attack against China

Today we publish a VB2019 paper from Lion Gu and Bowen Pan from the Qi An Xin Threat Intelligence Center in China in which they analysed an APT group dubbed 'Poison Vine', which targeted various government, military and research institutes in China.
A vine climbing over the Great Firewall: a long-term attack against China Read the paper (HTML) Download the paper (PDF) The global nature of both the Virus… https://www.virusbulletin.com/blog/2019/11/vb2019-paper-vine-climbing-over-great-firewall-long-term-attack-against-china/

VB2019 paper: Fantastic Information and Where to Find it: A guidebook to open-source OT reconnaissance

A VB2019 paper by FireEye researcher Daniel Kapellmann Zafra explained how open source intelligence (OSINT) can be used to learn crucial details of the inner workings of many a system. Today we publish Daniel's paper and the recording of his presentation.
Fantastic information and where to find it: a guidebook to open-source OT reconnaissance Read the paper (HTML) Download the paper (PDF) Ever since Stuxnet was… https://www.virusbulletin.com/blog/2019/11/vb2019-paper-fantastic-information-and-where-find-it-guidebook-open-source-ot-reconnaissance/

VB2019 paper: Different ways to cook a crab: GandCrab Ransomware-as-a-Service (RaaS) analysed in depth

Though active for not much longer than a year, GandCrab had been one of the most successful ransomware operations. In a paper presented at VB2019 in London, McAfee researchers John Fokker and Alexandre Mundo looked at the malware code, its evolution and t…
Different ways to cook a crab: GandCrab ransomware-as-a-service (RaaS) analysed in depth Read the paper (HTML) Download the paper (PDF) Though active for not… https://www.virusbulletin.com/blog/2019/11/vb2019-paper-different-ways-cook-crab-gandcrab-ransomware-service-raas-analysed-depth/

VB2019 paper: Domestic Kitten: an Iranian surveillance program

At VB2019 in London, Check Point researchers Aseel Kayal and Lotem Finkelstein presented a paper detailing an Iranian operation they named 'Domestic Kitten' that used Android apps for targeted surveillance. Today we publish their paper and the video of th…
Domestic Kitten: an Iranian surveillance program Read the paper (HTML) Download the paper (PDF) In September last year, researchers at Check Point uncovered… https://www.virusbulletin.com/blog/2019/11/vb2019-paper-d/

VB2019 video: Discretion in APT: recent APT attack on crypto exchange employees

At VB2019 in London, LINE's HeungSoo Kang explained how cryptocurrency exchanges had been attacked using Firefox zero-days. Today, we publish the video of his presentation.
In June, employees at cryptocurrency exchange Coinbase were targeted by emails linking to a website that used two zero-day vulnerabilities in the Firefox browser to deliver macOS… https://www.virusbulletin.com/blog/2019/11/vb2019-video-discretion-apt-recent-apt-attack-crypto-exchange-employees/

VB2019 paper: DNS on fire

In a paper presented at VB2019, Cisco Talos researchers Warren Mercer and Paul Rascagneres looked at two recent attacks against DNS infrastructure: DNSpionage and Sea Turtle. Today we publish their paper and the recording of their presentation.
DNS on fire Read the paper (HTML) Download the paper (PDF) The "phonebook of the Internet" has well outlived physical phonebooks, but that doesn't mean DNS is… https://www.virusbulletin.com/blog/2019/11/vb2019-paper-dns-fire/

German Dridex spam campaign is unfashionably large

VB has analysed a malicious spam campaign targeting German-speaking users with obfuscated Excel malware that would likely download Dridex but that mostly stood out through its size.
This research was performed by Martijn Grooten, Peter Karsai and Ionuț Răileanu. On this blog we have regularly reported on the tendency among malicious spam campaigns to be… https://www.virusbulletin.com/blog/2019/11/german-malspam-campaign-unfashionably-large/

Paper: Dexofuzzy: Android malware similarity clustering method using opcode sequence

We publish a paper by researchers from ESTsecurity in South Korea, who describe a fuzzy hashing algorithm for clustering Android malware datasets.
The sharp rise in Android malware in recent years has led security researchers to look for efficient ways to cluster related samples, especially since the tools used for Windows… https://www.virusbulletin.com/blog/2019/11/paper-dexofuzzy-android-malware-similarity-clustering-method-using-opcode-sequence/

Emotet continues to bypass many email security products

Having returned from a summer hiatus, Emotet is back targeting inboxes and, as seen in the VBSpam test lab, doing a better job than most other malicious campaigns at bypassing email security products.
Emails with a malicious link or attachment form only a small minority of the spam that is sent every day. If it appears that such emails are more common than that, it is not just… https://www.virusbulletin.com/blog/2019/11/emotet-continues-bypass-many-email-security-products/

November

https://www.virusbulletin.com/blog/2019/11/

VB2019 paper: We need to talk - opening a discussion about ethics in infosec

Those working in the field of infosec are often faced with ethical dilemmas that are impossible to avoid. Today, we publish a VB2019 paper by Kaspersky researcher Ivan Kwiatkowski looking at ethics in infosec as well as the recording of Ivan's presentatio…
We need to talk – opening a discussion about ethics in infosec Read the paper (HTML) Download the paper (PDF) If infosec was ever a subject with little… https://www.virusbulletin.com/blog/2019/11/vb2019-paper-we-need-talk-opening-discussion-about-ethics-infosec/

Stalkerware poses particular challenges to anti-virus products

Malware used in domestic abuse situations is a growing threat, and the standard way for anti-virus products to handle such malware may not be good enough. But that doesn't mean there isn't an important role for anti-virus to play.
Did you know that October has been Cyber Security Awareness Month? Of course you did ─ it has been pretty hard to avoid it. But did you know that it has also, at least in the… https://www.virusbulletin.com/blog/2019/10/stalkerware-poses-particular-challenges-anti-virus-products/

VB2019 videos: partner presentations

Today, we publish the videos of the VB2019 partner presentations by Michael Maltsev (Reason Cybersecurity) on webcam interception and protection, and by Jean-Ian Boutin and Anton Cherepanov (ESET) on the Buhtrap group.
With the final day of VB2019 three weeks behind us, we want to thank once again the 21 partners and sponsors of the conference for their support. In supporting the conference, the… https://www.virusbulletin.com/blog/2019/10/vb2019-videos-partner-presentations/

VB2019 paper: Inside Magecart: the history behind the covert card-skimming assault on the e-commerce industry

Today we publish the VB2019 paper by RiskIQ researcher Yonathan Klijnsma, who looked at the Magecart web-skimming attacks.
Magecart is an umbrella-term for various groups that engage in placing JavaScript code on e-commerce sites to steal credit card info. Magecart attacks go back almost… https://www.virusbulletin.com/blog/2019/10/vb2019-paper-inside-magecart-history-behind-covert-card-skimming-assault-e-commerce-industry/

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