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.

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.

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.

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.

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.

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.

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.

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.

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.

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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'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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