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

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/

Microsoft no longer publishes advance notifications for its Patch Tuesdays

Company unhappy with Google going full disclosure on privilege escalation vulnerability.
Company unhappy with Google going full disclosure on privilege escalation vulnerability. Tomorrow is the second Tuesday of the month and, as most people reading this blog will… https://www.virusbulletin.com/blog/2015/01/microsoft-no-longer-publishes-advance-notifications-its-patch-tuesdays/

Microsoft to publish security bulletins in CVRF format

Standard will streamline process of reviewing patches.
Standard will streamline process of reviewing patches. Software giant Microsoft has announced that it has started to publish its monthly security bulletins in the CVRF format.… https://www.virusbulletin.com/blog/2012/05/microsoft-publish-security-bulletins-cvrf-format/

Hefty Patch Tuesday bulletin rounds off bumper year

No sign of an end to vulnerability glut.
No sign of an end to vulnerability glut.Microsoft released its monthly Patch Tuesday security bulletin yesterday, with details of a hefty 17 alerts covering 40 separate… https://www.virusbulletin.com/blog/2010/12/hefty-patch-tuesday-bulletin-rounds-bumper-year/

Security fixes from Apple and Microsoft

100 security fixes in latest OS X update; three MS security updates in this month's patch release.
100 security fixes in latest OS X update; three MS security updates in this month's patch release. The latest release of Mac operating system OS X (Mac OS X v10.6.5) contains over… https://www.virusbulletin.com/blog/2010/11/security-fixes-apple-and-microsoft/

Giant patch release from Microsoft, Oracle

Record Patch Tuesday combines with swathe of extra fixes for corporates.
Record Patch Tuesday combines with swathe of extra fixes for corporates. It's a busy week for corporate admins as Microsoft's monthly Patch Tuesday security bulletin, containing a… https://www.virusbulletin.com/blog/2010/10/giant-patch-release-microsoft-oracle/

Extra-large crop of updates for Patch Tuesday

Fourteen security alerts from Microsoft join two from Adobe.
Fourteen security alerts from Microsoft join two from Adobe.Microsoft's monthly Patch Tuesday security bulletins came out this week, featuring a chunky 14 separate alerts with many… https://www.virusbulletin.com/blog/2010/08/extra-large-crop-updates-patch-tuesday/

Patches come thick and fast in major update spree

Monthly and out-of-band issues flood admins' to-do lists.
Monthly and out-of-band issues flood admins' to-do lists. The release of this month's Patch Tuesday security bulletins from Microsoft, with a fairly average 10 alerts covering 34… https://www.virusbulletin.com/blog/2010/06/patches-come-thick-and-fast-major-update-spree/

Patch Tuesday release includes 13 bulletins

26 vulnerabilities featured in sizeable update set.
26 vulnerabilities featured in sizeable update set. After a relatively quiet January, administrators are faced with a hefty workload this week as Microsoft's monthly Patch Tuesday… https://www.virusbulletin.com/blog/2010/02/patch-tuesday-release-includes-13-bulletins/

IE zero-day bug fixed in Patch Tuesday updates

Serious browser bug main feature of monthly alerts, Adobe Flash issue also patched.
Serious browser bug main feature of monthly alerts, Adobe Flash issue also patched.Microsoft has released the December Patch Tuesday security bulletin, with a total of six alerts.… https://www.virusbulletin.com/blog/2009/12/ie-zero-day-bug-fixed-patch-tuesday-updates/

Bumper crop of October patch releases

Busy weeks for admins as Patch Tuesday joined by Adobe fixes, and Mozilla announces plug-in checking plans.
Busy weeks for admins as Patch Tuesday joined by Adobe fixes, and Mozilla announces plug-in checking plans. This week has seen Microsoft's monthly Patch Tuesday release of security… https://www.virusbulletin.com/blog/2009/10/bumper-crop-october-patch-releases/

Patch Tuesday brings little relief from browser exploits

Six fixes issued, but new IE zero day emerges along with Firefox flaw.
Six fixes issued, but new IE zero day emerges along with Firefox flaw.Microsoft has issued its monthly 'Patch Tuesday' security update, with some serious browser flaws patched, but… https://www.virusbulletin.com/blog/2009/07/patch-tuesday-brings-little-relief-browser-exploits/

Eight fixes for April Patch Tuesday release

Five critical updates in latest monthly patch release.
Five critical updates in latest monthly patch release. The April Patch Tuesday release from Microsoft, revealed this week, contained five updates rated 'critical', as well as two… https://www.virusbulletin.com/blog/2009/04/eight-fixes-april-patch-tuesday-release/

March Patch Tuesday followed by PDF viewer patches

Major kernel issue and PDF problems fixed, spreadsheet software remains vulnerable.
Major kernel issue and PDF problems fixed, spreadsheet software remains vulnerable.Microsoft released the March security bulletin this week, with the monthly Patch Tuesday updates… https://www.virusbulletin.com/blog/2009/03/march-patch-tuesday-followed-pdf-viewer-patches/

IE fixed as usual in Patch Tuesday release

Browser should be treated as special case, say some.
Browser should be treated as special case, say some. The February 'Patch Tuesday' security bulletin from Microsoft this week contained four patches, two of them marked 'Critical',… https://www.virusbulletin.com/blog/2009/02/ie-fixed-usual-patch-tuesday-release/

MS to release out-of-band patch for critical IE vulnerability

Users advised to patch ASAP.
Users advised to patch ASAP.Microsoft is set to release an emergency out-of-band patch for the vulnerability in its Internet Explorer browser reported last week. Attacks via the… https://www.virusbulletin.com/blog/2008/12/ms-release-out-band-patch-critical-ie-vulnerability/

IE zero-day danger growing

Large numbers of users vulnerable to unpatched problem.
Large numbers of users vulnerable to unpatched problem. The as-yet unpatched vulnerability in Microsoft's Internet Explorer browser, reported last week and coinciding with the… https://www.virusbulletin.com/blog/2008/12/ie-zero-day-danger-growing/

Patch Tuesday released closely followed by emergency update

Bumper crop of patches plus further fix leave known holes open.
Bumper crop of patches plus further fix leave known holes open. This month's 'Patch Tuesday' security bulletin from Microsoft contained eight separate updates, two more than… https://www.virusbulletin.com/blog/2008/12/patch-tuesday-released-closely-followed-emergency-update/

FTC goes after scareware scammers

Courts crack down on pushers of rogue anti-malware.
Courts crack down on pushers of rogue anti-malware. The US Federal Trade Commission (FTC) has announced a successful move to persuade a US district court to shut down a major… https://www.virusbulletin.com/blog/2008/12/ftc-goes-after-scareware-scammers/

Two updates in Microsoft's November's patch release

Just two updates released by Microsoft this month: one rated critical, one important.
Just two updates released by Microsoft this month: one rated critical, one important.Microsoft has issued two updates in the November round of its monthly patch release cycle, one… https://www.virusbulletin.com/blog/2008/11/two-updates-microsoft-s-november-s-patch-release/

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