VB Blog

VB2019 video: Thwarting Emotet email conversation thread hijacking with clustering

Posted by   Martijn Grooten on   Nov 29, 2019

At VB2019 in London, ZEROSPAM researchers Pierre-Luc Vaudry and Olivier Coutu discussed how email clustering could be used to detect malicious Emotet emails that hijacked existing email threads. Today we publish the recording of their presentation.

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VB2019 paper: A vine climbing over the Great Firewall: a long-term attack against China

Posted by   Martijn Grooten on   Nov 28, 2019

Today we publish a VB2019 paper from Lion Gu and Bowen Pan from the Qi An Xin Threat Intelligence Center in China in which they analysed an APT group dubbed 'Poison Vine', which targeted various government, military and research institutes in China.

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

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 …
Few readers of this blog will believe that there aren't any security issues with Apple's macOS operating system, a point made rather unsubtly by yesterday's discovery of a flaw… https://www.virusbulletin.com/blog/2017/11/vb2017-paper-offensive-malware-analysis-dissecting-osxfruitflyb-custom-cc-server/

By removing VPNs from its Chinese App Store, Apple turns its biggest security asset against its users

To comply with Chinese laws, Apple has removed all iOS VPN apps from its Chinese app store. This means that the company uses iOS's strongest security asset, its tightly controlled App Store, against its own users.
A little over a month ago, Apple's iPhone celebrated its tenth birthday. The iPhone has been one of the biggest commercial success stories ever, but it has also been a great… https://www.virusbulletin.com/blog/2017/08/removing-vpns-its-chinese-app-store-apple-turns-its-biggest-security-asset-aggasnt-its-users/

Paper: Dylib hijacking on OS X

Patrick Wardle shows how OS X is also vulnerable to once common Windows attacks.
Patrick Wardle shows how OS X is also vulnerable to once common Windows attacks. A few years ago, DLL hijacking on Windows was really hot, despite the fact that the concept had… https://www.virusbulletin.com/blog/2015/03/paper-dylib-hijacking-os-x/

VB2014 paper: Apple without a shell - iOS under targeted attack

Developer Enterprise Program recently found to be used by WireLurker.
Developer Enterprise Program recently found to be used by WireLurker.Over the next few months, we will be sharing VB2014 conference papers as well as video recordings of the… https://www.virusbulletin.com/blog/2014/11/paper-apple-without-shell-ios-under-targeted-attack/

WireLurker malware infects iOS devices through OS X

Non-jailbroken devices infected via enterprise provisioning program.
Non-jailbroken devices infected via enterprise provisioning program. Researchers at Palo Alto Networks have published a research paper (PDF) analysing the 'WireLurker' malware that… https://www.virusbulletin.com/blog/2014/11/wirelurker-malware-infects-ios-devices-through-os-x/

VB2014 preview: Apple without a shell - iOS under targeted attack

FireEye researchers show a large attack vector for Apple's mobile operating system.
FireEye researchers show a large attack vector for Apple's mobile operating system.In the weeks running up to VB2014 (the 24th Virus Bulletin International Conference), we are… https://www.virusbulletin.com/blog/2014/09/preview-apple-without-shell-ios-under-targeted-attack/

VB2013 speaker spotlight

We speak to VB2013 presenters Lysa Myers and David Harley about their research interests and what they aim to bring to the conference.
We speak to VB2013 presenters Lysa Myers and David Harley about their research interests and what they aim to bring to the conference. The VB2013 conference takes place this autumn… https://www.virusbulletin.com/blog/2013/06/speaker-spotlight-harley-myers/

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/

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/

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 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/

Bugs found in Apple's new Windows browser within hours of release

Safari not so good-y.
Safari not so good-y. A number of security researchers say they found bugs in Apple's brand new web browser Safari for Windows just hours after its public beta release on 11 June.… https://www.virusbulletin.com/blog/2007/06/bugs-found-apple-s-new-windows-browser-within-hours-release/

Vulnerabilities strike more AV firms, and Mac too

F-Secure and Authentium patch holes, while Samba flaws worry Apple users.
F-Secure and Authentium patch holes, while Samba flaws worry Apple users. Users of Mac OS X, used to a cosy sense of security, have been warned of possible penetration vectors… https://www.virusbulletin.com/blog/2007/06/vulnerabilities-strike-more-av-firms-and-mac-too/

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