VB Blog

VB2016 video: Last-minute paper: Malicious proxy auto-configs: an easy way to harvest banking credentials

Posted by   Martijn Grooten on   May 30, 2017

In a VB2016 last-minute presentation, Jaromír Horejší and Jan Širmer looked at Retefe, a trojan that has targeted banks in several European countries and used malicious proxy auto-config filesto redirect users' traffic to a server controlled by the attackers. A recording of their presentation is now available to view on our YouTube channel.

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WannaCry shows we need to understand why organizations don't patch

Posted by   Martijn Grooten on   May 17, 2017

Perhaps the question we should be asking about WannaCry is not "why do so many organizations allow unpatched machines to exist on their networks?" but "why doesn't patching work reasonably well most of the time?"

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Modern security software is not necessarily powerless against threats like WannaCry

Posted by   Martijn Grooten on   May 15, 2017

The WannaCry ransomware has affected many organisations around the world, making it probably the worst and most damaging of its kind. But modern security is not necessarily powerless against such threats.

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Throwback Thursday: CARO: A personal view

Posted by   Helen Martin on   May 11, 2017

This week sees the 11th International CARO Workshop taking place in Krakow, Poland – a prestigious annual meeting of anti-malware and security experts. As a founding member of CARO, Fridrik Skulason was well placed, in August 1994, to shed some light on the organization, to explain in detail CARO's main activities and functions, as well as the reasons behind its strict membership regulations.

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VB2016 paper: Uncovering the secrets of malvertising

Posted by   Martijn Grooten on   May 10, 2017

Malicious advertising, a.k.a. malvertising, has evolved tremendously over the past few years to take a central place in some of today’s largest web-based attacks. It is by far the tool of choice for attackers to reach the masses but also to target them with infinite precision and deliver such payloads as ransomware. Today, we publish a paper presented at VB2016 in Denver by Malwarebytes researchers Jérôme Segura and Chris Boyd, in which they look at the advertising ecosystem, how it is used, and at what techniques are being utilised to spread malware

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Throwback Thursday: Tools of the DDoS Trade

Posted by   Helen Martin on   May 4, 2017

As DDoS attacks become costlier to fix and continue to increase in both number and diversity, we turn back the clock to 2000, when Aleksander Czarnowski took a look at the DDoS tools of the day.

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VB2016 paper: Building a local passiveDNS capability for malware incident response

Posted by   Martijn Grooten on   May 4, 2017

At VB2016, Splunk researchers Kathy Wang and Steve Brant presented a Splunk app that can be used to locally collect passive DNS data. A recording of their presentation is now available to view on our YouTube channel.

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VB2016 video: Last-minute paper: A malicious OS X cocktail served from a tainted bottle

Posted by   Martijn Grooten on   Apr 28, 2017

In a VB2016 last-minute presentation, ESET researchers Peter Kalnai and Martin Jirkal looked at the OS X malware threats KeRanger and Keydnap, that both spread through a compromised BitTorrent client. A recording of their presentation is now available to view on our YouTube channel.

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Consumer spyware: a serious threat with a different threat model

Posted by   Martijn Grooten on   Apr 25, 2017

Consumer spyware is a growing issue and one that can have serious consequences: its use is increasingly common in domestic violence. But do our threat models consider the attacker with physical access to, and inside knowledge of the victim?

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VB2016 paper: Debugging and monitoring malware network activities with Haka

Posted by   Martijn Grooten on   Apr 24, 2017

In their VB2016 paper, Stormshield researchers Benoît Ancel and Mehdi Talbi introduced Haka, an open-source language to monitor, debug and control malicious network traffic. Both their paper and the video recording of their presentation are now available to read/view on www.virusbulletin.com.

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MnuBot banking trojan communicates via SQL server

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.
Researchers at IBM X-Force have discovered a new banking trojan, dubbed 'MnuBot', which is targeting Internet users in Brazil. The trojan performs tasks common to banking… https://www.virusbulletin.com/blog/2018/05/mnubot-banking-trojan-communicates-sql-server/

Throwback Thursday: Giving the EICAR test file some teeth

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.
When in our VB100 test lab we set up an anti-virus product, one of the first things we do is to see if it works by making it scan the EICAR test file. This 68-byte file is… https://www.virusbulletin.com/blog/2018/05/throwback-thursday-giving-eicar-test-file-some-teeth/

XMRig used in new macOS cryptominer

A new piece of cryptocurrency-mining malware on macOS has been found to use the popular XMRig miner.
Users complaining on Apple's official discussion forum about processes that use a lot of CPU have led to the discovery of a new piece of cryptocurrency-mining malware on macOS… https://www.virusbulletin.com/blog/2018/05/xmrig-used-new-macos-cryptominer/

Tendency for DDoS attacks to become less volumetric fits in a wider trend

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.
A current trend sees DDoS attacks focusing less on large volume attacks and more on attacks that exhaust server resources, Cloudflare reports. The number of layer 7 attacks per… https://www.virusbulletin.com/blog/2018/05/tendency-ddos-attacks-become-less-volumetric-fits-wider-trend/

Turkish Twitter users targeted with mobile FinFisher spyware

Through fake social media accounts, users were tricked into installing an Android application that was actually a mobile version of the FinFisher spyware.
A new research paper by digital rights organization Access Now looks at how FinFisher has been used against people interested in anti-government protests in Turkey. Through… https://www.virusbulletin.com/blog/2018/05/turkish-twitter-users-targeted-mobile-finfisher-spyware/

Hide'n'Seek IoT botnet adds persistence

The Hide'n'Seek IoT botnet has received an update to make its infection persist on infected devices beyond a restart.
The Hide'n'Seek IoT botnet has received an update to make its infection persist on infected devices beyond a restart, Bitdefender reports. Though persistence is fairly common… https://www.virusbulletin.com/blog/2018/05/hidenseek-iot-botnet-adds-persistence/

Registration for VB2018 now open!

Registration for VB2018, the 28th International Virus Bulletin conference, is now open, with an early bird rate available until 1 July.
Registration for VB2018, the 28th Virus Bulletin Conference, which will take place in Montreal 3-5 October this year, is now open. Last month, we announced an exciting and… https://www.virusbulletin.com/blog/2018/05/registration-vb2018-now-open/

RSA 2018: the good, the bad, the ugly, the great and the fantastic

In April, VB's Martijn Grooten attended the RSA Expo in San Francisco. He shares his views on the expo and the industry.
Two weeks ago, I was one of the more than 50,000 people who attended the RSA expo in San Francisco. I deliberately say 'expo', for while I spoke at the event two years ago, this… https://www.virusbulletin.com/blog/2018/05/rsa-2018-good-bad-ugly-great-and-fantastic/

Standalone product test: Kaspersky Security for Microsoft Office 365

There are a number of security solutions on the market that are designed to increase the default protection provided by Office 365. One such product is the newly launched Kaspersky Security for Microsoft Office 365. Virus Bulletin was commissioned to meas…
The Office 365 productivity software has become one of Microsoft's flagship products, providing organizations around the world with collaboration tools, office applications and an… https://www.virusbulletin.com/blog/2018/04/standalone-product-test-kaspersky-security-microsoft-office-365/

GravityRAT malware takes your system's temperature

The GravityRAT malware, discovered by Cisco Talos researchers, gives some interesting insight into modern malware development.
Cisco Talos researchers Warren Mercer and Paul Rascagnères recently discovered and analysed 'GravityRAT', an advanced Remote Access Trojan (RAT) that appears to have been used in… https://www.virusbulletin.com/blog/2018/04/gravityrat-malware-takes-your-systems-temperature/

$150k in cryptocurrency stolen through combined BGP-DNS hijack

A BGP hijack was used to take over some of Amazon's DNS infrastructure, which was then used to serve a phishing site to users of the MyEtherWallet service.
If the Internet is, as is often said, held together with elastic bands and pieces of Sellotape, BGP is essentially a bunch of post-it notes that serve as traffic signs. BGP… https://www.virusbulletin.com/blog/2018/04/150-k-cryptocurrency-stolen-through-cominbed-bgp-dns-hijack/

Security-focused routers may help to mitigate IoT threats

Various security companies are offering security-focused routers. This is a good trend and may help mitigate a lot of the issues that come with the IoT.
Walking around the RSA show floor last week, it was clear that the Internet of Things, or IoT, is a hot topic in security. Indeed, the number of connected devices continues to… https://www.virusbulletin.com/blog/2018/04/security-focused-routers-may-help-mitigate-iot-threats/

The road to IPv6 is generally smooth but contains a few potholes

Most of the switch from IPv4 to IPv6 will happen seamlessly. But we cannot assume it won't introduce new security issues.
"The report of my death was an exaggeration," Mark Twain famously said in 1897. It was indeed: Twain went on to live for another 13 years but did eventually die. The same is… https://www.virusbulletin.com/blog/2018/04/road-ipv6-generally-smooth-contains-few-potholes/

New paper: Powering the distribution of Tesla stealer with PowerShell and VBA macros

Since their return four years ago, Office macros have been one of the most common ways to spread malware. Today, we publish a research paper which looks in detail at a campaign in which VBA macros are used to execute PowerShell code, which in turn downloa…
Ever since their return more than four years ago, initially in targeted attacks and later in large-scale malware campaigns, Office macros have been one of the most prominent ways… https://www.virusbulletin.com/blog/2018/04/new-paper-powering-distribution-tesla-stealer-powershell-and-vba-macros/

VB2017 paper: Android reverse engineering tools: not the usual suspects

Within a few years, Android malware has grown from a relatively small threat to a huge problem involving more than three million new malware samples a year. Axelle Apvrille, one of the world's leading Android malware researchers, will deliver a workshop o…
Within a few years, Android malware has grown from a relatively small threat – the first VB conference talk on Android, in 2011, mentioned fewer than 100 malware families – to a… https://www.virusbulletin.com/blog/2018/04/vb2017-paper-android-reverse-engineering-tools-not-usual-suspects/

Patch early, patch often, but don't blindly trust every 'patch'

Compromised websites are being used to serve fake Flash Player uploads that come with a malicious payload.
Patching is important, but not everything that presents itself as a security patch is safe to install. Malwarebytes researcher Jérôme Segura has written a detailed analysis of… https://www.virusbulletin.com/blog/2018/04/patch-early-patch-often-dont-blindly-trust-every-patch/

Virus Bulletin at RSA

Next week, VB Editor Martijn Grooten will be at the RSA Conference in San Francisco.
Next week, I will be joining the international security community to attend the RSA Conference in San Francisco. Though it lacks the intimate atmosphere of so many smaller… https://www.virusbulletin.com/blog/2018/04/virus-bulletin-rsa/

Broad-ranging and international VB2018 programme announced

VB is excited to reveal the details of an interesting and diverse programme for VB2018, the 28th Virus Bulletin International Conference, which takes place 3-5 October in Montreal, Canada.
Today, we are very excited to announce the programme for VB2018, the 28th Virus Bulletin International Conference, which is to take place in Montreal, 3-5 October 2018. Putting… https://www.virusbulletin.com/blog/2018/04/broad-and-international-vb2018-programme-announced/

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