VB Blog

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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VB2019 paper: We need to talk - opening a discussion about ethics in infosec

Posted by   Martijn Grooten on   Nov 1, 2019

Those working in the field of infosec are often faced with ethical dilemmas that are impossible to avoid. Today, we publish a VB2019 paper by Kaspersky researcher Ivan Kwiatkowski looking at ethics in infosec as well as the recording of Ivan's presentation.

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Stalkerware poses particular challenges to anti-virus products

Posted by   Martijn Grooten on   Oct 31, 2019

Malware used in domestic abuse situations is a growing threat, and the standard way for anti-virus products to handle such malware may not be good enough. But that doesn't mean there isn't an important role for anti-virus to play.

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Adobe issues patch for yet another Flash Player zero-day

CVE-2015-0313 used in the wild as long ago as December.
CVE-2015-0313 used in the wild as long ago as December. Adobe has just issued an out-of-band patch for its Flash Player to fix a zero-day vulnerability that is actively being… https://www.virusbulletin.com/blog/2015/02/adobe-issues-patch-yet-another-flash-player-zero-day/

Linux systems affected by 'GHOST' vulnerability

Proof-of-concept email gives remote access to Exim mail server.
Proof-of-concept email gives remote access to Exim mail server. If you administer Linux-based systems, you'd better schedule some time for patching, as a serious buffer overflow… https://www.virusbulletin.com/blog/2015/01/linux-systems-affected-ghost-vulnerability/

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/

CVE-2012-0158 continues to be used in targeted attacks

30-month old vulnerability still a popular way to infect systems.
30-month old vulnerability still a popular way to infect systems. If all you have to worry about are zero-day vulnerabilities, you have got things pretty well sorted. Although it… https://www.virusbulletin.com/blog/2014/10/cve-2012-0158-continues-be-used-targeted-attacks/

VB2014 preview: keynote and closing panel

Vulnerability disclosure one of the hottest issues in security.
Vulnerability disclosure one of the hottest issues in security. In the proceedings of the 24th Virus Bulletin conference, the words 'vulnerabilty' and 'vulnerabilities' occur more… https://www.virusbulletin.com/blog/2014/09/preview-keynote-and-closing-panel/

VB2014 preview: The three levels of exploit testing

Richard Ford and Marco Carvalho present an idea for how to test products that claim to detect the unknown.
Richard Ford and Marco Carvalho present an idea for how to test products that claim to detect the unknown.In the weeks running up to VB2014 (the 24th Virus Bulletin International… https://www.virusbulletin.com/blog/2014/09/preview-three-levels-exploit-testing/

Google's Project Zero to hunt for zero-days

Bugs to be reported to the vendor only, and to become public once patched.
Bugs to be reported to the vendor only, and to become public once patched.Google has created a new team, called Project Zero, whose task is to find vulnerabilities in any kind of… https://www.virusbulletin.com/blog/2014/07/google-s-project-zero-hunt-zero-days/

A week of Heartbleed

OpenSSL vulnerability has kept the security community busy.
OpenSSL vulnerability has kept the security community busy. The 'Heartbleed' vulnerability has kept everyone on their toes over the last week or so - hitting the mainstream media,… https://www.virusbulletin.com/blog/2014/04/week-heartbleed/

OpenSSL vulnerability lets attackers quietly steal servers' private keys

Security firm advises regenerating keys and replacing certificates on vulnerable servers.
Security firm advises regenerating keys and replacing certificates on vulnerable servers. A very serious vulnerability in OpenSSL has caused panic among network administrators:… https://www.virusbulletin.com/blog/2014/04/openssl-vulnerability-lets-attackers-quietly-steal-servers-private-keys/

Privilege escalation vulnerability targets Windows XP and Server 2003

Vulnerability being used in the wild in combination with exploit of patched Adobe Reader vulnerability.
Vulnerability being used in the wild in combination with exploit of patched Adobe Reader vulnerability. Researchers at FireEye have discovered a new privilege escalation… https://www.virusbulletin.com/blog/2013/11/privilege-escalation-vulnerability-targets-windows-xp-and-server-2003/

Good and bad news for victims of targeted attacks against Microsoft products

Bug bounty program extended; TIFF zero-day used in the wild.
Bug bounty program extended; TIFF zero-day used in the wild. This week, Microsoft has good news and bad news for those targeted by zero-day exploits in its products. The bad… https://www.virusbulletin.com/blog/2013/11/good-and-bad-news-victims-targeted-attacks-against-microsoft-products/

Ruby on Rails vulnerability exploited in the wild

Code executed on web servers to cause them to join IRC botnet.
Code executed on web servers to cause them to join IRC botnet. A critical vulnerability in Ruby on Rails is currently being exploited to make web servers join an IRC botnet, Ars… https://www.virusbulletin.com/blog/2013/05/ruby-rails-vulnerability-exploited-wild/

Microsoft offers fix-it for IE 8 zero-day

CVE-2013-1347 used in watering hole attacks.
CVE-2013-1347 used in watering hole attacks. Following this weekend's discovery of a new zero-day vulnerability in version 8 of Microsoft's Internet Explorer browser, the company… https://www.virusbulletin.com/blog/2013/05/microsoft-offers-fix-it-ie-8-zero-day/

Vulnerabilities could trigger payload in emails upon receiving or opening

Flaws in IBM Notes and Exim/Dovecot easy to mitigate.
Flaws in IBM Notes and Exim/Dovecot easy to mitigate. Two recently discovered vulnerabilities in mail processing software could give an attacker access to a targeted system without… https://www.virusbulletin.com/blog/2013/05/vulnerabilities-could-trigger-payload-emails-upon-receiving-or-opening/

Avast launches bug bounty programme

Security firm offers reward for info on bugs.
Security firm offers reward for info on bugs. Security firm Avast Software, producer of the popular avast! free anti-virus solution, has announced a bug bounty programme to… https://www.virusbulletin.com/blog/2013/01/avast-launches-bug-bounty-programme/

Do we need stronger email addresses?

Skype vulnerability allowed for account hijacking using only email address.
Skype vulnerability allowed for account hijacking using only email address. A worryingly trivial vulnerability in VoIP service Skype became public this morning, which allowed… https://www.virusbulletin.com/blog/2012/11/do-we-need-stronger-email-addresses/

Microsoft releases advisory offering workarounds for IE vulnerability

German government advises users to use alternative browser.
German government advises users to use alternative browser.Microsoft has released a security advisory to address the zero-day vulnerability in its Internet Explorer browser that we… https://www.virusbulletin.com/blog/2012/09/microsoft-releases-advisory-offering-workarounds-ie-vulnerability/

Internet Explorer zero-day used in the wild

Dropped PoisonIvy trojan linked to 'Nitro' attacks.
Dropped PoisonIvy trojan linked to 'Nitro' attacks. Security researcher Eric Romang has discovered a new zero-day vulnerability in Internet Explorer that is currently being used in… https://www.virusbulletin.com/blog/2012/09/internet-explorer-zero-day-used-wild/

From spear phishing to watering holes

Symantec reports increase in 'watering hole attacks'.
Symantec reports increase in 'watering hole attacks'. Imagine that for some reason you wanted to gain access to my computer. One thing you could do is send me an email with some… https://www.virusbulletin.com/blog/2012/09/spear-phishing-watering-holes/

Vulnerability turns McAfee's anti-malware solution into open relay

Flaw allows for spam to be sent through customers' PCs.
Flaw allows for spam to be sent through customers' PCs. A vulnerability discovered in McAfee's SaaS for Total Protection, the company's hosted anti-malware solution, effectively… https://www.virusbulletin.com/blog/2012/01/vulnerability-turns-mcafee-s-anti-malware-solution-open-relay/

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