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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Scammers take advantage of Epsilon data breach

Trojan hidden as security tool for affected customers.
Trojan hidden as security tool for affected customers. Scammers are currently taking advantage of the data breach that affected email security provider Epsilon recently, by… https://www.virusbulletin.com/blog/2011/04/scammers-take-advantage-epsilon-data-breach/

First AV-Test certifications of 2011 published

22 products scored on multiple scales in quarterly test report.
22 products scored on multiple scales in quarterly test report. Testing organization AV-Test has published its latest round of anti-malware certification tests, with 22 products… https://www.virusbulletin.com/blog/2011/04/first-av-test-certifications-2011-published/

Department of Justice shuts down Coreflood botnet

'Stop' command sent from replaced command and control servers.
'Stop' command sent from replaced command and control servers. Earlier this week the US Department of Justice (DoJ) obtained an unprecedented temporary restraining order (TRO) that… https://www.virusbulletin.com/blog/2011/04/department-justice-shuts-down-coreflood-botnet/

Adobe releases emergency update for Flash Player

Zero-day exploit actively being abused.
Zero-day exploit actively being abused.Adobe has announced it will release an update for its Flash Player on Friday 15 April, fixing a vulnerability that is currently being… https://www.virusbulletin.com/blog/2011/04/adobe-releases-emergency-update-flash-player/

Ransom trojan demands Windows re-activation

Criminals make money through calls to supposedly free phone number.
Criminals make money through calls to supposedly free phone number. A new piece of ransomware has been discovered that shows the PC user a blue screen and asks them to re-activate… https://www.virusbulletin.com/blog/2011/04/ransom-trojan-demands-windows-re-activation/

AV-Comparatives unveils latest on-demand results

20 products rated in large-scale detection tests.
20 products rated in large-scale detection tests. Testing organization AV-Comparatives has revealed the results of its latest on-demand test. Top-rated products include Trustport,… https://www.virusbulletin.com/blog/2011/04/av-comparatives-unveils-latest-demand-results/

Major email service provider suffers data breach

Financial institutions among affected customers.
Financial institutions among affected customers. Email service provider Epsilon, which carries out email marketing for many major companies, has admitted it has fallen victim to a… https://www.virusbulletin.com/blog/2011/04/major-email-service-provider-suffers-data-breach/

RSA gives insight into anatomy of attack on its systems

Publicly available information used to spear phish employees.
Publicly available information used to spear phish employees. Security company RSA has released some information about how hackers gained access to its systems, giving a good… https://www.virusbulletin.com/blog/2011/04/rsa-gives-insight-anatomy-attack-its-systems/

April

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2011/04/

April issue of VB published

The April issue of Virus Bulletin is now available for subscribers to download.
The April issue of Virus Bulletin is now available for subscribers to download. The April 2011 issue of Virus Bulletin is now available for subscribers to browse online or… https://www.virusbulletin.com/blog/2011/04/april-issue-vb-published/

Keylogger on Samsung laptops proves to be false alarm

AV product wrongly flags malware based on existence of directory.
AV product wrongly flags malware based on existence of directory. A number of security bloggers raised concern yesterday about the apparent presence of a keylogger on Samsung… https://www.virusbulletin.com/blog/2011/03/keylogger-samsung-laptops-proves-be-false-alarm/

South Korea proposes to make security software mandatory

Law enables government to search PCs of those who do not comply.
Law enables government to search PCs of those who do not comply. A bill, proposed by a number of South Korean MPs, would make the use of security software mandatory for computer… https://www.virusbulletin.com/blog/2011/03/south-korea-proposes-make-security-software-mandatory/

Rogue SSL certificates issued for popular websites

Certificates revoked, but browsers still need to be updated.
Certificates revoked, but browsers still need to be updated.Comodo, a major vendor of SSL certificates, has admitted to one of its affiliates' servers being hacked, leading to nine… https://www.virusbulletin.com/blog/2011/03/rogue-ssl-certificates-issued-popular-websites/

Cutwail botnet sent 1.7 trillion spam messages

Operators made several million through botnet.
Operators made several million through botnet. Researchers from The Last Line of Defense and universities in Bochum and Santa Barbara have shared some insight into the workings of… https://www.virusbulletin.com/blog/2011/03/cutwail-botnet-sent-1-7-trillion-spam-messages/

Spam levels take a nose dive as Rustock apparently taken down - update

Eerie silence from Rustock botnet. Microsoft reported to have co-ordinated take down.
Eerie silence from Rustock botnet. Microsoft reported to have co-ordinated take down. Spam levels have taken a nose dive over the last 24 hours - apparently as a result of a take… https://www.virusbulletin.com/blog/2011/03/spam-levels-take-nose-dive-rustock-apparently-taken-down-update/

Increase in use of mobile anti-malware protection

Poll shows smartphone users more likely to use anti-malware protection on their phones than three years ago.
Poll shows smartphone users more likely to use anti-malware protection on their phones than three years ago. In a poll of visitors to the VB website, 57% of smartphone users said… https://www.virusbulletin.com/blog/2011/03/increase-use-mobile-anti-malware-protection/

Taking Brain home

Short film features Mikko Hyppönen returning first PC virus to its birthplace.
Short film features Mikko Hyppönen returning first PC virus to its birthplace. Anti-malware vendor F-Secure released a short documentary film this week to mark the 25th anniversary… https://www.virusbulletin.com/blog/2011/03/taking-brain-home/

Tsunami response quick among cybercriminals

Miscreants releasing scams, phishing, scareware... within a matter of hours.
Miscreants releasing scams, phishing, scareware... within a matter of hours. As most of the world reels in shock at the devastation caused by this morning's massive earthquake in… https://www.virusbulletin.com/blog/2011/03/tsunami-response-quick-among-cybercriminals/

Cybercriminals frustrated with botnet trackers

Drastic measures discussed by users of online forum.
Drastic measures discussed by users of online forum. Russian cybercriminals are willing to go to great lengths to frustrate services that hinder botnets created with the ZeuS and… https://www.virusbulletin.com/blog/2011/03/cybercriminals-frustrated-botnet-trackers/

ENISA calls for revised botnet measurements

EU agency says current measures of botnet threat are misleading.
EU agency says current measures of botnet threat are misleading. European cyber security agency, ENISA (the European Network and Information Security Agency) has called for a… https://www.virusbulletin.com/blog/2011/03/enisa-calls-revised-botnet-measurements/

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