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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Paper: Windows 10 patching process may leave enterprises vulnerable to zero-day attacks

Aryeh Goretsky gives advice on how to adapt to Windows 10's patching strategy.
Aryeh Goretsky gives advice on how to adapt to Windows 10's patching strategy. Patching is hard, especially when the code base is old and the bugs are buried deeply. This was… https://www.virusbulletin.com/blog/2015/03/paper-windows-10-patching-process-may-leave-enterprises-vulnerable-zero-day-attacks/

Will DIME eventually replace email?

Protocol has all the advantages of email, yet is orders of magnitude more secure.
Protocol has all the advantages of email, yet is orders of magnitude more secure. In the current Internet era sometimes referred to as 'post-Snowden', it is often said that email… https://www.virusbulletin.com/blog/2015/03/will-dime-eventually-replace-email/

The ghost of Stuxnet past

Microsoft patches .LNK vulnerability after 2010 patch was found to be incomplete.
Microsoft patches .LNK vulnerability after 2010 patch was found to be incomplete. Mention Stuxnet and you'll have many a security researcher's attention. The worm, which was… https://www.virusbulletin.com/blog/2015/03/ghost-stuxnet-past/

Virus Bulletin seeks hackers, network researchers for VB2015

One week left to submit an abstract for the 25th Virus Bulletin conference.
One week left to submit an abstract for the 25th Virus Bulletin conference. A few weeks ago, I made a short visit to the Clarion Congress Hotel in Prague, where VB2015 will take… https://www.virusbulletin.com/blog/2015/03/seeks-hackers-network-researchers/

Canadian firm fined $1.1m for breaching anti-spam law

First success story for long-awaited CASL.
First success story for long-awaited CASL. The Canadian Radio-television and Telecommunications Commission (CRTC), the agency responsible for enforcing Canada's anti-spam law… https://www.virusbulletin.com/blog/2015/03/canadian-firm-fined-1-1m-breaching-anti-spam-law/

VB2014 paper: Leaving our ZIP undone: how to abuse ZIP to deliver malware apps

Gregory Panakkal explains that there are different ways of looking at APK files - and that sometimes that can have unintended consequences.
Gregory Panakkal explains that there are different ways of looking at APK files - and that sometimes that can have unintended consequences.Since the close of the VB2014 conference… https://www.virusbulletin.com/blog/2015/03/paper-leaving-our-zip-undone-how-abuse-zip-deliver-malware-apps/

FREAK attack takes HTTPS connections back to 1990s security

Golden keys from the (first) crypto wars have come back to haunt us.
Golden keys from the (first) crypto wars have come back to haunt us. When a web client makes a secure connection to a web server (using HTTPS), it starts by sending a 'Hello'… https://www.virusbulletin.com/blog/2015/03/freak-attack-takes-https-connections-back-1990s-security/

TorrentLocker spam has DMARC enabled

Use of email authentication technique unlikely to bring any advantage.
Use of email authentication technique unlikely to bring any advantage. Last week, Trend Micro researcher Jon Oliver (who presented a paper on Twitter abuse at VB2014) wrote an… https://www.virusbulletin.com/blog/2015/03/torrentlocker-spam-has-dmarc-enabled/

Paper: Script in a lossy stream

Dénes Óvári explains how to store code in lossily compressed JPEG data.
Dénes Óvári explains how to store code in lossily compressed JPEG data. Malformed PDFs have become a common way to deliver malware. Naturally, when this started to happen,… https://www.virusbulletin.com/blog/2015/03/paper-script-lossy-stream/

March

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2015/03/

VB2014 paper: Caphaw - the advanced persistent pluginer

Micky Pun and Neo Tan analyse the banking trojan that is best known for spreading through Skype.
Micky Pun and Neo Tan analyse the banking trojan that is best known for spreading through Skype.Since the close of the VB2014 conference in Seattle in October, we have been sharing… https://www.virusbulletin.com/blog/2015/02/paper-caphaw-advanced-persistent-pluginer/

M3AAWG releases BCP document on dealing with child sexual abuse material

Subject may make many feel uncomfortable, but it is essential that we know how to deal with it.
Subject may make many feel uncomfortable, but it is essential that we know how to deal with it. The mere mention of "child pornography" on the Internet makes many a security expert… https://www.virusbulletin.com/blog/2015/02/m3aawg-releases-bcp-document-dealing-child-sexual-abuse-material/

Hacker group takes over Lenovo's DNS

As emails were sent to wrong servers, DNSSEC might be worth looking into.
As emails were sent to wrong servers, DNSSEC might be worth looking into. Although, after some initial hesitation, Lenovo was rather frank in its admission of messing up regarding… https://www.virusbulletin.com/blog/2015/02/hacker-group-takes-over-lenovo-s-dns/

Coordinated action takes down Ramnit botnet infrastructure

Malware remains present on infected machines; 2012 Virus Bulletin paper worth studying.
Malware remains present on infected machines; 2012 Virus Bulletin paper worth studying. A coordinated action from Anubisnetworks, Microsoft and Symantec, together with Europol has… https://www.virusbulletin.com/blog/2015/02/coordinated-action-takes-down-ramnit-botnet-infrastructure/

Almost 50% increase in reported vulnerabilities as non-Windows operating systems lead the table

Each discovered vulnerability is actually a good news story.
Each discovered vulnerability is actually a good news story. Last week, security firm GFI published some research in which it looked at the number of vulnerabilities reported last… https://www.virusbulletin.com/blog/2015/02/almost-50-increase-reported-vulnerabilities-non-windows-operating-systems-lead-table/

Vawtrak trojan spread through malicious Office macros

Users easily tricked, but plenty of opportunity for the malware to be blocked.
Users easily tricked, but plenty of opportunity for the malware to be blocked. Researchers at Trend Micro report that the 'Vawtrak' banking trojan now also spreads through Office… https://www.virusbulletin.com/blog/2015/02/vawtrak-trojan-spread-through-malicious-office-macros/

Lenovo laptops pre-installed with software that adds its own root CA certificate

Shared root certificate makes for easy man-in-the-middle attacks.
Shared root certificate makes for easy man-in-the-middle attacks.What is Superfish?Superfish is a product that offers 'Visual Search'. Say, for example, you are looking at cat… https://www.virusbulletin.com/blog/2015/02/lenovo-laptops-pre-installed-software-adds-its-own-root-ca-certificate/

Google relaxes disclosure policy following criticism

Grace period added for vulnerabilities that are about to be patched.
Grace period added for vulnerabilities that are about to be patched. Last year, Google announced a new disclosure policy, where details of a vulnerability discovered by the… https://www.virusbulletin.com/blog/2015/02/google-relaxes-disclosure-policy-following-criticism/

VB2014 video: .NET malware dynamic instrumentation for automated and manual analysis

Hexiang Hu used tool to detect Bladabindi backdoor.
Hexiang Hu used tool to detect Bladabindi backdoor. The .NET framework is a popular way to write software. As applications built with the framework compile into a Common… https://www.virusbulletin.com/blog/2015/02/video-net-malware-dynamic-instrumentation-automated-and-manual-analysis/

Facebook launches platform for sharing of threat intelligence

Twitter, Yahoo! amongst early participants in 'ThreatExchange'.
Twitter, Yahoo! amongst early participants in 'ThreatExchange'. When I took my first steps in the security industry, I was surprised by just how much information was shared between… https://www.virusbulletin.com/blog/2015/02/facebook-launches-platform-sharing-threat-intelligence/

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