VB Blog

WordPress users urged to manually update to fix bug that prevents automatic updating

Posted by Martijn Grooten on Feb 8, 2018

Users of the popular WordPress content management system are urged to manually update their installation to version 4.9.4, as a bug in the previous version broke the ability to automatically install updates.

Posted by Martijn Grooten on Feb 7, 2018

The Andromeda botnet (aka Gamarue or Wauchos) has plagued Internet users for more than half a decade but, following a takedown effort and the arrest of the suspected botnet owner in December 2017, it is likely we have seen the end of it. In a new paper by Fortinet researchers Bahare Sabouri and He Xu, we look back at the evolution of Andromeda from version 2.06 to 2.10 and demonstrate both how it improved its loader to evade automatic analysis/detection and how the payload varied among the different versions.

Posted by Martijn Grooten on Feb 2, 2018

Reports of malware using the Meltdown or Spectre attacks are likely based on proof-of-concept code rather than files written for a malicious purpose.

Posted by Martijn Grooten on Feb 1, 2018

This Throwback Thursday, we republish the VB2012 paper by Microsoft researcher Amir Fouda, one of the earliest papers to look at malware targeting Bitcoin.

Posted by Martijn Grooten on Jan 31, 2018

We especially encourage those less experienced in speaking in public to submit to the call for papers for VB2018, where we aim to provide a friendly and welcoming environment in which people can both present their own research and learn from what others have been working on.

Posted by Martijn Grooten on Jan 25, 2018

At VB2017 in Madrid, security researcher Randy Abrams presented an overview of the VirusTotal service and then went on to bust several of the persistent myths that surround it. Today we publish both Randy's paper and the recording of his presentation.

Posted by Martijn Grooten on Jan 24, 2018

A new computer emergency response team has been launched in the Netherlands to provide guidance specifically tailored to the healthcare sector. Martijn Grooten welcomes the development.

Posted by Martijn Grooten on Jan 23, 2018

Have you analysed a new online threat? Do you know a new way to defend against such threats? Are you tasked with securing systems and fending off attacks? The call for papers for VB2018 is now open and we want to hear from you!

Posted by Martijn Grooten on Jan 22, 2018

VB Editor Martijn Grooten recommends Jean-Philippe Aumasson's 'Serious Cryptography' as a very solid but practically focused introduction to cryptography.

Posted by Martijn Grooten on Jan 16, 2018

A Necurs pump-and-dump spam campaign pushing the lesser known Swisscoin botnet is mostly background noise for the Internet.

Previous1...2425262728...215Next

Search blog

Emotet trojan starts stealing full emails from infected machines

The infamous Emotet trojan has added the capability to steal full email bodies from infected machines, opening the possibilities for more targeted spam and phishing campaigns.
Researchers at Kryptos Logic have discovered that the Emotet banking trojan is exfiltrating entire email bodies as opposed to merely email addresses. Emotet was first discovered… https://www.virusbulletin.com/blog/2018/10/emotet-trojan-starts-stealing-full-emails-infected-machines/

VB2017 video: Client Maximus raises the bar

At VB2017, IBM Trusteer researcher Omer Agmon, presented a 'last-minute' paper in which he analysed the Client Maximum trojan, which targets Brazilian users of online banking. Today, we release the recording of his presentation.
Brazil has long been known as a hotbed of cybercrime, but what makes the country especially unique is that a lot of this cybercrime is inwards-focused. Thus there are many malware… https://www.virusbulletin.com/blog/2018/08/vb2017-video-client-maximus-raises-bar/

MnuBot banking trojan communicates via SQL server

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.
Researchers at IBM X-Force have discovered a new banking trojan, dubbed 'MnuBot', which is targeting Internet users in Brazil. The trojan performs tasks common to banking… https://www.virusbulletin.com/blog/2018/05/mnubot-banking-trojan-communicates-sql-server/

VB2017 video: Turning Trickbot: decoding an encrypted command-and-control channel

Trickbot, a banking trojan which appeared this year, seems to be a new, more modular, and more extensible malware descendant of the notorious Dyre botnet trojan. At VB2017, Symantec researcher Andrew Brandt presented a walkthrough of a typical Trickbot in…
Trickbot, first reported a year ago by Malwarebytes researcher Jérôme Segura as the successor of Dyre/Dyreza, has become perhaps the most important banking trojan of 2017. It is… https://www.virusbulletin.com/blog/2017/11/vb2017-video-turning-trickbot-decoding-encrypted-command-and-control-channel/

Worms wiggling inside your networks are a lot harder to stop

The authors of the Trickbot banking trojan seem to have taken note of the use of SMB by WannaCry and (Not)Petya and have added an (experimental) module that uses SMB for lateral movement.
Damaging though they were, the recent WannaCry and (Not)Petya outbreaks taught security practitioners many valuable lessons. Unfortunately, they taught important lessons to… https://www.virusbulletin.com/blog/2017/08/worms-wiggling-inside-your-networks-are-lot-harder-stop/

VB2016 paper: Diving into Pinkslipbot's latest campaign

Qakbot or Qbot, is a banking trojan that makes the news every once in a while and was the subject of a VB2016 paper by Intel Security researchers Sanchit Karve, Guilherme Venere and Mark Olea. In it, they provided a detailed analysis of the Pinkslipbot/Qa…
Pinkslipbot, also known as Qakbot or Qbot, is a banking trojan that makes the news every once in a while, yet never seems to get the attention of the world's Zbots and Dridexes. I… https://www.virusbulletin.com/blog/2017/06/vb2016-paper-diving-pinkslipbots-latest-campaign/

VB2016 video: Neverquest: Crime as a Service and On the Hunt for the Big Bucks

At VB2016, Peter Kruse gave a presentation detailing the Neverquest trojan, the alleged author of which was arrested in Spain earlier this month. Today, we publish the recording of Peter's presentation.
Earlier this month, Spanish police officers arrested a Russian national on suspicion of creating the Neverquest banking trojan. Neverquest, also known as Vawtrak, is one of the… https://www.virusbulletin.com/blog/2017/01/vb2016-video-neverquest-crime-service-and-hunt-big-bucks/

Throwback Thursday: I say Virus, You say Trojan

This Throwback Thursday, VB heads back to 1998 — a time when anti-virus vendors avoided tackling non-replicating trojans, worms, jokes and corrupted files.
This Throwback Thursday, VB heads back to 1998 — a time when anti-virus vendors avoided tackling non-replicating trojans, worms, jokes and corrupted files. Today, the idea of… https://www.virusbulletin.com/blog/2016/01/throwback-thursday-i-say-virus-you-say-trojan/

Paper: Shifu — the rise of a self-destructive banking trojan

Thorough analysis of this new kid on the malware block.
Thorough analysis of this new kid on the malware block. Times are changing rapidly for banking trojans. Some prominent arrests and at least partially successful takedowns have left… https://www.virusbulletin.com/blog/2015/11/paper-shifu-rise-self-destructive-banking-trojan/

Paper: Not a GAMe maKER

Raul Alvarez performs low-level analysis of information-stealing trojan.
Raul Alvarez performs low-level analysis of information-stealing trojan. The Gamker information-stealing trojan (also known as Shiz) has been around for a few years. It made the… https://www.virusbulletin.com/blog/2015/08/paper-not-game-maker/

Paper: Life after the apocalypse for the Middle Eastern NJRat campaign

Malware authors upped their game following 2014 disruption of No-IP.
Malware authors upped their game following 2014 disruption of No-IP. In June last year, somewhat controversially Microsoft moved against dynamic DNS provider No-IP and seized 22 of… https://www.virusbulletin.com/blog/2015/08/paper-life-after-apocalypse-middle-eastern-njrat-campaign/

Vawtrak uses Tor2Web to connect to Tor hidden C&C servers

Option hides the servers, without having to include a Tor client in the malware.
Option hides the servers, without having to include a Tor client in the malware. The authors of the Vawtrak trojan (also known as Neverquest) have moved some of its C&C servers to… https://www.virusbulletin.com/blog/2015/06/vawtrak-uses-tor2web-connect-tor-hidden-c-amp-c-servers/

Vawtrak trojan spread through malicious Office macros

Users easily tricked, but plenty of opportunity for the malware to be blocked.
Users easily tricked, but plenty of opportunity for the malware to be blocked. Researchers at Trend Micro report that the 'Vawtrak' banking trojan now also spreads through Office… https://www.virusbulletin.com/blog/2015/02/vawtrak-trojan-spread-through-malicious-office-macros/

Adobe to patch Flash Player zero-day next week

Patch due next week as malvertising leads to Bedep trojan downloader.
Patch due next week as malvertising leads to Bedep trojan downloader. As the news of a zero-day vulnerability in Adobe's Flash Player actively being exploited reached the security… https://www.virusbulletin.com/blog/2015/01/adobe-patch-flash-player-zero-day-next-week/

VB2014 paper: The evolution of webinjects

Jean-Ian Boutin looks at the increased commoditization of webinjects.
Jean-Ian Boutin looks at the increased commoditization of webinjects.Virus Bulletin has always been about sharing information, and the Virus Bulletin conference is an important… https://www.virusbulletin.com/blog/2014/10/paper-evolution-webinjects/

Paper: Not old enough to be forgotten: the new chic of Visual Basic 6

Marion Marschalek looks at two Miuref binaries: one packed with Visual Basic 6 and one with C++.
Marion Marschalek looks at two Miuref binaries: one packed with Visual Basic 6 and one with C++. Two months ago, Microsoft announced it had added 'Miuref' to its Malicious Software… https://www.virusbulletin.com/blog/2014/07/paper-not-old-enough-be-forgotten-new-chic-visual-basic-6/

Cheap Android phone comes shipped with spyware

Trojan masquerades as Google Play app; cannot be removed.
Trojan masquerades as Google Play app; cannot be removed. Researchers at German security firm G Data have discovered Android smartphones that come shipped with spyware. The phone… https://www.virusbulletin.com/blog/2014/06/cheap-android-phone-comes-shipped-spyware/

Game over for GameOver Zeus botnet?

Coordinated effort against gang that's also behind CryptoLocker ransomware.
Coordinated effort against gang that's also behind CryptoLocker ransomware. A large, coordinated effort involving law enforcement, security vendors and various security… https://www.virusbulletin.com/blog/2014/06/game-over-gameover-zeus-botnet/

Spam link sends Android users to trojan proxy

Meanwhile, desktop users sent to (relatively harmless) weight-loss site.
Meanwhile, desktop users sent to (relatively harmless) weight-loss site. Links found in certain spam emails which redirect desktop users to a phony weight-loss website, have been… https://www.virusbulletin.com/blog/2013/03/spam-link-sends-android-users-trojan-proxy/

Anti-virus software significantly shortens life of banking trojans

Security software causes malware to run for less than a third as long.
Security software causes malware to run for less than a third as long. 'Does anti-virus software actually help?' is a question often asked, even by security experts - who point to… https://www.virusbulletin.com/blog/2012/10/anti-virus-software-significantly-shortens-life-banking-trojans/

« Previous 12345 Next »