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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Search blog

'Olympic' emails contain malicious XLS attachments

Malware writers sprint to use vulnerabilities before next Patch Tuesday.
Malware writers sprint to use vulnerabilities before next Patch Tuesday. Security researchers have reported seeing emails containing XLS attachments designed to exploit a yet… https://www.virusbulletin.com/blog/2008/03/olympic-emails-contain-malicious-xls-attachments/

Bumper Patch Tuesday short of one patch

Excel remains vulnerable as expected fix is dropped.
Excel remains vulnerable as expected fix is dropped.Microsoft has issued its monthly 'Patch Tuesday' set of security updates, with a larger than usual crop of patches for a variety… https://www.virusbulletin.com/blog/2008/02/bumper-patch-tuesday-short-one-patch/

More PDF exploits seen in wild

Adobe Reader and Acrobat flaws open way for further document attacks.
Adobe Reader and Acrobat flaws open way for further document attacks. A string of vulnerabilities in Adobe's PDF viewing and editing software, disclosed late last week by Adobe and… https://www.virusbulletin.com/blog/2008/02/more-pdf-exploits-seen-wild/

Yahoo! jukebox flaw exploits in wild

Zero day vulnerability in music system rapidly targeted.
Zero day vulnerability in music system rapidly targeted.Vulnerabilities in Yahoo! Jukebox, a free music-management system provided by Yahoo!, have been exploited by in-the-wild… https://www.virusbulletin.com/blog/2008/02/yahoo-jukebox-flaw-exploits-wild/

Microsoft alert on Excel vulnerability

Targeted exploitation of zero-day flaw seen in wild.
Targeted exploitation of zero-day flaw seen in wild.Microsoft has issued a security advisory on an unresolved vulnerability in its Excel software, which has been reported as a… https://www.virusbulletin.com/blog/2008/01/microsoft-alert-excel-vulnerability/

SQL attack hacks wide range of sites

CA among victims of major attack linking sites to malware.
CA among victims of major attack linking sites to malware. Huge numbers of legitimate websites - perhaps as many as 100,000 according to some reports - fell victim to hackers… https://www.virusbulletin.com/blog/2008/01/sql-attack-hacks-wide-range-sites/

Four IE bugs fixed by Patch Tuesday release

Seven updates, three critical in monthly security update.
Seven updates, three critical in monthly security update.Microsoft has released its monthly 'Patch Tuesday' security bulletin, featuring seven updates of which three are marked… https://www.virusbulletin.com/blog/2007/12/four-ie-bugs-fixed-patch-tuesday-release/

Grisoft acquires Exploit Prevention Labs

AVG to incorporate LinkScanner in further consolidation of security offerings.
AVG to incorporate LinkScanner in further consolidation of security offerings.Grisoft, developer of the AVG security product whose free version is widely deployed on home-user… https://www.virusbulletin.com/blog/2007/12/grisoft-acquires-exploit-prevention-labs/

SANS issues vulnerability top 20

Annual study of security risks finds software and humans present dangers.
Annual study of security risks finds software and humans present dangers. The SANS Institute has released its annual survey of vulnerabilities putting computer systems and networks… https://www.virusbulletin.com/blog/2007/11/sans-issues-vulnerability-top-20/

QuickTime flaw could open Windows PCs to hackers

Firefox users most vulnerable; Internet Explorer users should be wary too.
Firefox users most vulnerable; Internet Explorer users should be wary too. Polish security researcher Krystian Kloskowski has published a proof-of-concept exploit for a… https://www.virusbulletin.com/blog/2007/11/quicktime-flaw-could-open-windows-pcs-hackers/

Five-year-old design flaw found in all Windows versions

Microsoft engineers spend Thanksgiving holidays writing patch.
Microsoft engineers spend Thanksgiving holidays writing patch. During the Kiwicon conference earlier this month, ethical hacker Beau Butler from New Zealand disclosed a design flaw… https://www.virusbulletin.com/blog/2007/11/five-year-old-design-flaw-found-all-windows-versions/

Two fixes released on lightweight Patch Tuesday

Monthly security update covers just couple of dangers.
Monthly security update covers just couple of dangers.Microsoft has released its monthly 'Patch Tuesday' security bulletin, with only two patches issued, one rated 'Important' and… https://www.virusbulletin.com/blog/2007/11/two-fixes-released-lightweight-patch-tuesday/

PDF trojan exploits Adobe flaw

Reader/Acrobat vulnerability targeted day after patch release.
Reader/Acrobat vulnerability targeted day after patch release. A vulnerability in Adobe's popular PDF-viewing software Adobe Reader and editing suite Acrobat, first reported a… https://www.virusbulletin.com/blog/2007/10/pdf-trojan-exploits-adobe-flaw/

RealPlayer zero-day flaw exploited

Manufacturer responds rapidly to serious security hole.
Manufacturer responds rapidly to serious security hole. A zero-day vulnerability in the popular media playing system RealPlayer was spotted being exploited in the wild late last… https://www.virusbulletin.com/blog/2007/10/realplayer-zero-day-flaw-exploited/

Kaspersky fixes serious vulnerability in Online Scanner

Exploitable ActiveX control replaced in new version.
Exploitable ActiveX control replaced in new version.Kaspersky Lab has released an updated version of its popular free online scanner to remedy a vulnerability in an ActiveX control… https://www.virusbulletin.com/blog/2007/10/kaspersky-fixes-serious-vulnerability-online-scanner/

Word for Mac exploit spotted

Patch Tuesday flaw targeted by vulnerability.
Patch Tuesday flaw targeted by vulnerability. A vulnerability in the Apple Mac version of Microsoft Word, covered by a patch in this month's Patch Tuesday security update, has been… https://www.virusbulletin.com/blog/2007/10/word-mac-exploit-spotted/

4 out of 5 critical issues fixed on Patch Tuesday

Expected patch omitted from monthly security update.
Expected patch omitted from monthly security update.Microsoft has announced the contents of its monthly 'Patch Tuesday' security update release, with four 'Critical' and two… https://www.virusbulletin.com/blog/2007/10/4-out-5-critical-issues-fixed-patch-tuesday/

Adobe acknowledges PDF flaw, issues workaround

Registry hack provides temporary fix for vulnerability.
Registry hack provides temporary fix for vulnerability.Adobe has officially confirmed the vulnerability announced last month by researcher Petko Petkov, which could allow… https://www.virusbulletin.com/blog/2007/10/adobe-acknowledges-pdf-flaw-issues-workaround/

Sun patches serious Java flaws

Critical vulnerabilities covered by urgent patches.
Critical vulnerabilities covered by urgent patches.Sun Microsystems has issued a series of patches to fix several vulnerabilities in its popular Java software. Successful… https://www.virusbulletin.com/blog/2007/10/sun-patches-serious-java-flaws/

Alarm over possible PDF flaw

Vulnerability announcement hyped to disaster level.
Vulnerability announcement hyped to disaster level. The announcement of a potentially serious vulnerability in the ubiquitous Adobe PDF document format sparked considerable media… https://www.virusbulletin.com/blog/2007/10/alarm-over-possible-pdf-flaw/

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