VB Blog

VB2019 paper: Fantastic Information and Where to Find it: A guidebook to open-source OT reconnaissance

Posted by   Martijn Grooten on   Nov 22, 2019

A VB2019 paper by FireEye researcher Daniel Kapellmann Zafra explained how open source intelligence (OSINT) can be used to learn crucial details of the inner workings of many a system. Today we publish Daniel's paper and the recording of his presentation.

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VB2019 paper: Different ways to cook a crab: GandCrab Ransomware-as-a-Service (RaaS) analysed in depth

Posted by   Martijn Grooten on   Nov 21, 2019

Though active for not much longer than a year, GandCrab had been one of the most successful ransomware operations. In a paper presented at VB2019 in London, McAfee researchers John Fokker and Alexandre Mundo looked at the malware code, its evolution and the affiliate scheme behind it. Today we publish both their paper and the recording of their presentation.

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VB2019 paper: Domestic Kitten: an Iranian surveillance program

Posted by   Martijn Grooten on   Nov 18, 2019

At VB2019 in London, Check Point researchers Aseel Kayal and Lotem Finkelstein presented a paper detailing an Iranian operation they named 'Domestic Kitten' that used Android apps for targeted surveillance. Today we publish their paper and the video of their presentation.

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VB2019 video: Discretion in APT: recent APT attack on crypto exchange employees

Posted by   Martijn Grooten on   Nov 18, 2019

At VB2019 in London, LINE's HeungSoo Kang explained how cryptocurrency exchanges had been attacked using Firefox zero-days. Today, we publish the video of his presentation.

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VB2019 paper: DNS on fire

Posted by   Martijn Grooten on   Nov 7, 2019

In a paper presented at VB2019, Cisco Talos researchers Warren Mercer and Paul Rascagneres looked at two recent attacks against DNS infrastructure: DNSpionage and Sea Turtle. Today we publish their paper and the recording of their presentation.

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German Dridex spam campaign is unfashionably large

Posted by   Martijn Grooten on   Nov 6, 2019

VB has analysed a malicious spam campaign targeting German-speaking users with obfuscated Excel malware that would likely download Dridex but that mostly stood out through its size.

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Paper: Dexofuzzy: Android malware similarity clustering method using opcode sequence

Posted by   Martijn Grooten on   Nov 5, 2019

We publish a paper by researchers from ESTsecurity in South Korea, who describe a fuzzy hashing algorithm for clustering Android malware datasets.

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Emotet continues to bypass many email security products

Posted by   Martijn Grooten on   Nov 4, 2019

Having returned from a summer hiatus, Emotet is back targeting inboxes and, as seen in the VBSpam test lab, doing a better job than most other malicious campaigns at bypassing email security products.

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VB2019 paper: We need to talk - opening a discussion about ethics in infosec

Posted by   Martijn Grooten on   Nov 1, 2019

Those working in the field of infosec are often faced with ethical dilemmas that are impossible to avoid. Today, we publish a VB2019 paper by Kaspersky researcher Ivan Kwiatkowski looking at ethics in infosec as well as the recording of Ivan's presentation.

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Stalkerware poses particular challenges to anti-virus products

Posted by   Martijn Grooten on   Oct 31, 2019

Malware used in domestic abuse situations is a growing threat, and the standard way for anti-virus products to handle such malware may not be good enough. But that doesn't mean there isn't an important role for anti-virus to play.

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Recently discovered Java vulnerability being added to exploit kit

Kit 'patched' to include latest exploit; users urged to patch their software too.
Kit 'patched' to include latest exploit; users urged to patch their software too. Security researcher and journalist Brian Krebs has found evidence that a recently discovered… https://www.virusbulletin.com/blog/2011/11/recently-discovered-java-vulnerability-being-added-exploit-kit/

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/

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/

Microsoft releases new fix for DLL vulnerability

Earlier workaround believed to be too complex for most users.
Earlier workaround believed to be too complex for most users. A week after Microsoft released a fix for a DLL vulnerability that affected a large number of programs running on its… https://www.virusbulletin.com/blog/2010/09/microsoft-releases-new-fix-dll-vulnerability/

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/

Android SMS trojan goes wild

Premium-rate text scam shows growing cracks in smart phone security.
Premium-rate text scam shows growing cracks in smart phone security. The first known SMS trojan affecting smart phones running Google's Android operating system has been observed… https://www.virusbulletin.com/blog/2010/08/android-sms-trojan-goes-wild/

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/

Another IE zero day exploited

Second DirectShow vulnerability in six weeks labelled 'extremely critical'.
Second DirectShow vulnerability in six weeks labelled 'extremely critical'.Microsoft has issued an advisory on a serious vulnerability in an ActiveX control in its Internet… https://www.virusbulletin.com/blog/2009/07/another-ie-zero-day-exploited/

Gumblar compromise growth continues

Dominant web threat infecting still more vulnerable sites.
Dominant web threat infecting still more vulnerable sites. A major web compromise, estimated by some to represent over 40% of infected web pages last week, has continued growing in… https://www.virusbulletin.com/blog/2009/05/gumblar-compromise-growth-continues/

Security holes trouble vendors

Vulnerabilities fixed in McAfee website and Google Chrome; patch expected for Adobe Reader.
Vulnerabilities fixed in McAfee website and Google Chrome; patch expected for Adobe Reader. A range of vulnerabilities have been causing headaches recently for companies… https://www.virusbulletin.com/blog/2009/05/security-holes-trouble-vendors/

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/

Kaspersky website suffers SQL vulnerability

Hackers gain access to tables, no user data stolen.
Hackers gain access to tables, no user data stolen. A security flaw in a local website of security firm Kaspersky Lab was spotted by hackers over the weekend, with an SQL infection… https://www.virusbulletin.com/blog/2009/02/kaspersky-website-suffers-sql-vulnerability/

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