VB Blog

VB2017 paper: Nine circles of Cerber

Posted by   Martijn Grooten on   Dec 15, 2017

Cerber is one of the major names in the world of ransomware, and last year, Check Point released a decryption service for the malware. Today, we publish a VB2017 paper by Check Point's Stanislav Skuratovich describing how the Cerber decryption tool worked; we have also uploaded the video of the presentation of this paper, by Or Eshed and Yaniv Balmas.

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Attack on Fox-IT shows how a DNS hijack can break multiple layers of security

Posted by   Martijn Grooten on   Dec 14, 2017

Dutch security firm Fox-IT deserves praise for being open about an attack on its client network. There are some important lessons to be learned about DNS security from its post-mortem.

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Throwback Thursday: BGP - from route hijacking to RPKI: how vulnerable is the Internet?

Posted by   Martijn Grooten on   Dec 14, 2017

For this week's Throwback Thursday, we look back at the video of a talk Level 3's Mike Benjamin gave at VB2016 in Denver, on BGP and BGP hijacks.

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Security Planner gives security advice based on your threat model

Posted by   Martijn Grooten on   Dec 13, 2017

Citizen Lab's Security Planner helps you improve your online safety, based on the specific threats you are facing.

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VB2017 video: Spora: the saga continues a.k.a. how to ruin your research in a week

Posted by   Martijn Grooten on   Dec 11, 2017

Today, we publish the video of the VB2017 presentation by Avast researcher Jakub Kroustek and his former colleague Előd Kironský, now at ESET, who told the story of Spora, one of of the most prominent ransomware families of 2017.

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VB2017 paper: Modern reconnaissance phase on APT – protection layer

Posted by   Martijn Grooten on   Dec 7, 2017

During recent research, Cisco Talos researchers observed the ways in which APT actors are evolving and how a reconnaissance phase is included in the infection vector in order to protect valuable zero-day exploits or malware frameworks. At VB2017 in Madrid, two of those researchers, Paul Rascagneres and Warren Mercer, presented a paper detailing five case studies that demonstrate how the infection vector is evolving. Today we publish both Paul and Warren's paper and the recording of their presentation.

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VB2017 paper: Peering into spam botnets

Posted by   Martijn Grooten on   Dec 1, 2017

At VB2017 in Madrid, CERT Poland researchers Maciej Kotowicz and Jarosław Jedynak presented a paper detailing their low-level analysis of five spam botnets. Today we publish their full paper.

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Throwback Thursday: Anti-malware testing undercover

Posted by   Martijn Grooten on   Nov 30, 2017

We look back at the VB2016 presentation by Righard Zwienenberg (ESET) and Luis Corrons (Panda Security), in which they discussed various issues relating to anti-malware testing.

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Virus Bulletin relaunches VB Security Jobs Market for both employers and job seekers

Posted by   Martijn Grooten on   Nov 30, 2017

As an independent body in the IT security industry, Virus Bulletin is in an ideal position to act as a global source of information both about jobs currently available in the field and about those candidates currently seeking to start or progress their career in the industry - which is why we have relaunched the VB Security Jobs Market.

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VB2017 paper: Offensive malware analysis: dissecting OSX/FruitFly.B via a custom C&C server

Posted by   Martijn Grooten on   Nov 29, 2017

At VB2017 in Madrid, macOS malware researcher Patrick Wardle presented the details of a specific piece of Mac malware, FruitFly, which he analysed through a custom C&C server - a technique that will also be of interest for researchers of malware on other platforms. Today we publish both Patrick's paper and the recording of his presentation.

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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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