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

Symbian SMS pest highlighted

Mobile exploit attack disables messaging.
Mobile exploit attack disables messaging. A presentation at a popular hacking forum has brought much attention to a flaw in the SMS processing in some versions of the Symbian… https://www.virusbulletin.com/blog/2009/01/symbian-sms-pest-highlighted/

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/

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/

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/

Worm targets MS08-067 vulnerability

Exploit attack patches flaw once system penetrated.
Exploit attack patches flaw once system penetrated. A worm has been seen taking advantage of the vulnerability in Microsoft's Windows Server Service, patched out-of-cycle last… https://www.virusbulletin.com/blog/2008/12/worm-targets-ms08-067-vulnerability/

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/

Microsoft issues emergency patch

Out-of-cycle update fixes serious, wormable flaw.
Out-of-cycle update fixes serious, wormable flaw.Microsoft has issued an emergency update to cover a serious vulnerability in the Windows Server service, breaking its usual monthly… https://www.virusbulletin.com/blog/2008/10/microsoft-issues-emergency-patch/

Vulnerability test raises hackles

Secunia suite trial slates lack of PoC detection, but test methods called into question.
Secunia suite trial slates lack of PoC detection, but test methods called into question. Vulnerability specialist Secunia published the results of a trial of internet security… https://www.virusbulletin.com/blog/2008/10/vulnerability-test-raises-hackles/

Four critical updates this Patch Tuesday

11 updates to be issued by Microsoft in October's monthly patch release: 4 critical.
11 updates to be issued by Microsoft in October's monthly patch release: 4 critical.Microsoft has prepared a total of 11 updates for the October round of its monthly patch release… https://www.virusbulletin.com/blog/2008/10/four-critical-updates-patch-tuesday/

Four critical updates in Patch Tuesday release

Monthly security update small but vital.
Monthly security update small but vital.Microsoft has released its monthly 'Patch Tuesday' batch of security updates, with only four items on the list but all of them marked… https://www.virusbulletin.com/blog/2008/09/four-critical-updates-patch-tuesday-release/

Trend OfficeScan flaws labelled highly critical

Web-delivered products at risk of allowing remote access.
Web-delivered products at risk of allowing remote access. A set of vulnerabilities have been reported in Trend Micro's Officescan product, which have been flagged with the 'Highly… https://www.virusbulletin.com/blog/2008/08/trend-officescan-flaws-labelled-highly-critical/

DNS flaw exploitation danger growing

Slow patchers targeted by sophisticated attacks.
Slow patchers targeted by sophisticated attacks. The serious vulnerability in the implementation of DNS systems has been targeted by malicious attacks, as security watchers have… https://www.virusbulletin.com/blog/2008/08/dns-flaw-exploitation-danger-growing/

Patch Tuesday sees serious DNS flaws fixed

Nothing marked critical, but some very important patches issued.
Nothing marked critical, but some very important patches issued.Microsoft's latest 'Patch Tuesday' round of security updates for once contains no bulletins marked as 'critical',… https://www.virusbulletin.com/blog/2008/07/patch-tuesday-sees-serious-dns-flaws-fixed/

Macs under attack from trojan double whammy

Two new threats in a week spark worries of approaching Mac malware era.
Two new threats in a week spark worries of approaching Mac malware era. Users of Apple Mac systems, who have so far only suffered from minimal attention from malware creators, may… https://www.virusbulletin.com/blog/2008/06/macs-under-attack-trojan-double-whammy/

Microsoft releases latest Patch Tuesday fixes

7 vulnerabilities, 3 critical, addressed in June security update.
7 vulnerabilities, 3 critical, addressed in June security update.Microsoft has issued its monthly 'Patch Tuesday' set of security fixes, with seven separate areas covered of which… https://www.virusbulletin.com/blog/2008/06/microsoft-releases-latest-patch-tuesday-fixes/

Microsoft increases pressure on Apple to fix Safari blended threat

'Carpet bombing' vulnerability more serious than Apple claims, MS warns.
'Carpet bombing' vulnerability more serious than Apple claims, MS warns.Microsoft, whose Internet Explorer has come under frequent criticism for security vulnerabilities, has… https://www.virusbulletin.com/blog/2008/06/microsoft-increases-pressure-apple-fix-safari-blended-threat/

Latest Patch Tuesday update released

Microsoft announces five 'critical' vulnerabilities need fixing.
Microsoft announces five 'critical' vulnerabilities need fixing.Microsoft has issued its monthly 'Patch Tuesday' security bulletin, with five 'critical' and three 'important'… https://www.virusbulletin.com/blog/2008/04/latest-patch-tuesday-update-released/

Latest Patch Tuesday release

March's Patch Tuesday sees four 'critical' updates.
March's Patch Tuesday sees four 'critical' updates.Microsoft has released its monthly 'Patch Tuesday' security bulletin. This month the bulletin features four 'critical' updates,… https://www.virusbulletin.com/blog/2008/03/latest-patch-tuesday-release/

Cisco announces 'Patch Wednesdays'

Cisco set to embark on regular release cycle.
Cisco set to embark on regular release cycle. Following a trend set by Microsoft's monthly 'Patch Tuesdays' and Oracle's quarterly security updates, networking giant Cisco has… https://www.virusbulletin.com/blog/2008/03/cisco-announces-patch-wednesdays/

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