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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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/

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/

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/

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

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
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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