VB Blog

Subtle change could see a reduction in installation of malicious Chrome extensions

Posted by   Martijn Grooten on   Jun 13, 2018

Google has made a subtle change to its Chrome browser, banning the inline installation of new extensions, thus making it harder for malware authors to trick users into unwittingly installing malicious extensions.

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Paper: EternalBlue: a prominent threat actor of 2017–2018

Posted by   Martijn Grooten on   Jun 11, 2018

We publish a paper by researchers from Quick Heal Security Labs in India, who study the EternalBlue and DoublePulsar exploits in full detail.

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'North Korea' a hot subject among VB2018 talks

Posted by   Virus Bulletin on   Jun 1, 2018

Several VB2018 papers deal explicitly or implicitly with threats that have been attributed to North Korean actors.

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Expired domain led to SpamCannibal's blacklist eating the whole world

Posted by   Martijn Grooten on   May 31, 2018

The domain of the little-used SpamCannibal DNS blacklist had expired, resulting in it effectively listing every single IP address.

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MnuBot banking trojan communicates via SQL server

Posted by   Martijn Grooten on   May 30, 2018

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.

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Throwback Thursday: Giving the EICAR test file some teeth

Posted by   Martijn Grooten on   May 24, 2018

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.

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XMRig used in new macOS cryptominer

Posted by   Martijn Grooten on   May 23, 2018

A new piece of cryptocurrency-mining malware on macOS has been found to use the popular XMRig miner.

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

Posted by   Martijn Grooten on   May 22, 2018

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.

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Turkish Twitter users targeted with mobile FinFisher spyware

Posted by   Martijn Grooten on   May 15, 2018

Through fake social media accounts, users were tricked into installing an Android application that was actually a mobile version of the FinFisher spyware.

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Hide'n'Seek IoT botnet adds persistence

Posted by   Martijn Grooten on   May 9, 2018

The Hide'n'Seek IoT botnet has received an update to make its infection persist on infected devices beyond a restart.

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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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