VB Blog

VB2016 video: Last-minute paper: Malicious proxy auto-configs: an easy way to harvest banking credentials

Posted by   Martijn Grooten on   May 30, 2017

In a VB2016 last-minute presentation, Jaromír Horejší and Jan Širmer looked at Retefe, a trojan that has targeted banks in several European countries and used malicious proxy auto-config filesto redirect users' traffic to a server controlled by the attackers. A recording of their presentation is now available to view on our YouTube channel.

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WannaCry shows we need to understand why organizations don't patch

Posted by   Martijn Grooten on   May 17, 2017

Perhaps the question we should be asking about WannaCry is not "why do so many organizations allow unpatched machines to exist on their networks?" but "why doesn't patching work reasonably well most of the time?"

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Modern security software is not necessarily powerless against threats like WannaCry

Posted by   Martijn Grooten on   May 15, 2017

The WannaCry ransomware has affected many organisations around the world, making it probably the worst and most damaging of its kind. But modern security is not necessarily powerless against such threats.

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Throwback Thursday: CARO: A personal view

Posted by   Helen Martin on   May 11, 2017

This week sees the 11th International CARO Workshop taking place in Krakow, Poland – a prestigious annual meeting of anti-malware and security experts. As a founding member of CARO, Fridrik Skulason was well placed, in August 1994, to shed some light on the organization, to explain in detail CARO's main activities and functions, as well as the reasons behind its strict membership regulations.

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VB2016 paper: Uncovering the secrets of malvertising

Posted by   Martijn Grooten on   May 10, 2017

Malicious advertising, a.k.a. malvertising, has evolved tremendously over the past few years to take a central place in some of today’s largest web-based attacks. It is by far the tool of choice for attackers to reach the masses but also to target them with infinite precision and deliver such payloads as ransomware. Today, we publish a paper presented at VB2016 in Denver by Malwarebytes researchers Jérôme Segura and Chris Boyd, in which they look at the advertising ecosystem, how it is used, and at what techniques are being utilised to spread malware

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Throwback Thursday: Tools of the DDoS Trade

Posted by   Helen Martin on   May 4, 2017

As DDoS attacks become costlier to fix and continue to increase in both number and diversity, we turn back the clock to 2000, when Aleksander Czarnowski took a look at the DDoS tools of the day.

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VB2016 paper: Building a local passiveDNS capability for malware incident response

Posted by   Martijn Grooten on   May 4, 2017

At VB2016, Splunk researchers Kathy Wang and Steve Brant presented a Splunk app that can be used to locally collect passive DNS data. A recording of their presentation is now available to view on our YouTube channel.

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VB2016 video: Last-minute paper: A malicious OS X cocktail served from a tainted bottle

Posted by   Martijn Grooten on   Apr 28, 2017

In a VB2016 last-minute presentation, ESET researchers Peter Kalnai and Martin Jirkal looked at the OS X malware threats KeRanger and Keydnap, that both spread through a compromised BitTorrent client. A recording of their presentation is now available to view on our YouTube channel.

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Consumer spyware: a serious threat with a different threat model

Posted by   Martijn Grooten on   Apr 25, 2017

Consumer spyware is a growing issue and one that can have serious consequences: its use is increasingly common in domestic violence. But do our threat models consider the attacker with physical access to, and inside knowledge of the victim?

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VB2016 paper: Debugging and monitoring malware network activities with Haka

Posted by   Martijn Grooten on   Apr 24, 2017

In their VB2016 paper, Stormshield researchers Benoît Ancel and Mehdi Talbi introduced Haka, an open-source language to monitor, debug and control malicious network traffic. Both their paper and the video recording of their presentation are now available to read/view on www.virusbulletin.com.

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Zitmo trojan for Android defeats two-factor authentication

Malware intercepts TANs sent via SMS.
Malware intercepts TANs sent via SMS. A new variant of the Zitmo trojan has been discovered that infects mobile devices running the Android platform and which intercepts SMS… https://www.virusbulletin.com/blog/2011/07/zitmo-trojan-android-defeats-two-factor-authentication/

DroidKungFu command and control server may be mobile device

Android trojan makes use of root exploit.
Android trojan makes use of root exploit. Researchers at Fortinet have discovered a command and control server for the 'DroidKungFu' Android trojan that appears to be a mobile… https://www.virusbulletin.com/blog/2011/06/droidkungfu-command-and-control-server-may-be-mobile-device/

Exploit kit targets customers of air travel websites

SpyEye configuration intercepts personal data submitted to legitimate websites.
SpyEye configuration intercepts personal data submitted to legitimate websites. Security researchers have uncovered a version of the 'SpyEye' trojan that steals credit card and… https://www.virusbulletin.com/blog/2011/06/exploit-kit-targets-customers-air-travel-websites/

Banking malware hosted on Amazon's cloud servers

Trojan targets mostly Brazilian banks.
Trojan targets mostly Brazilian banks. Researchers have discovered malware hosted on Amazon Web Services that steals victims' bank account data. Acting as a rootkit, the malware… https://www.virusbulletin.com/blog/2011/06/banking-malware-hosted-amazon-s-cloud-servers/

Spammers use unicode trick to manipulate file names

Windows executable appears to be Word document.
Windows executable appears to be Word document. An unicode trick that reverses the order of some characters has been used by spammers to disguise malicious attachments as harmless… https://www.virusbulletin.com/blog/2011/05/spammers-use-unicode-trick-manipulate-file-names/

Zeus source code leaked

Banking trojan among the most advanced of its kind.
Banking trojan among the most advanced of its kind. Researchers at Danish security firm CSIS have discovered that the full source code of the Zeus crime kit has been leaked to… https://www.virusbulletin.com/blog/2011/05/zeus-source-code-leaked/

Scammers take advantage of Epsilon data breach

Trojan hidden as security tool for affected customers.
Trojan hidden as security tool for affected customers. Scammers are currently taking advantage of the data breach that affected email security provider Epsilon recently, by… https://www.virusbulletin.com/blog/2011/04/scammers-take-advantage-epsilon-data-breach/

Ransom trojan demands Windows re-activation

Criminals make money through calls to supposedly free phone number.
Criminals make money through calls to supposedly free phone number. A new piece of ransomware has been discovered that shows the PC user a blue screen and asks them to re-activate… https://www.virusbulletin.com/blog/2011/04/ransom-trojan-demands-windows-re-activation/

'Job application' contains malicious attachment

$150,000 lost via banking trojan.
$150,000 lost via banking trojan. An unidentified US company has learned the hard way that email attachments - even to those that appear to be solicited - may contain malware. The… https://www.virusbulletin.com/blog/2011/01/job-application-contains-malicious-attachment/

Eight Zeus-related money mules arrested

Arrests in US and Moldova show that cybercriminals aren't immune to the law.
Arrests in US and Moldova show that cybercriminals aren't immune to the law. Police in the US state of Wisconsin have arrested two Moldovan citizens who they believe have worked as… https://www.virusbulletin.com/blog/2010/11/eight-zeus-related-money-mules-arrested/

Malicious tweets link to fake TweetDeck update

Twitter resets passwords for accounts that appear to have been hacked.
Twitter resets passwords for accounts that appear to have been hacked.Twitter users who recently clicked on links in tweets urging them to upgrade their version of TweetDeck - the… https://www.virusbulletin.com/blog/2010/09/malicious-tweets-link-fake-tweetdeck-update/

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/

Firefox 4 crack spreads trojan

'Cracked' versions of free software used to spread malware
'Cracked' versions of free software used to spread malware In a new malware campaign, users are told they can download a free crack of the Firefox 4 browser, only to find… https://www.virusbulletin.com/blog/2010/08/firefox-4-crack-spreads-trojan/

Warrant issued for arrest of cyclist turned hacker

Cyclist accused of planting trojan at dope testing lab.
Cyclist accused of planting trojan at dope testing lab. A French judge has issued a warrant for the arrest of US cyclist Floyd Landis in connection with a computer hacking case.… https://www.virusbulletin.com/blog/2010/02/warrant-issued-arrest-cyclist-turned-hacker/

Out-of-band patch release from Adobe

Unscheduled update released by Adobe.
Unscheduled update released by Adobe.Adobe has released an unscheduled patch for its Reader and Acrobat programs to address some critical flaws. The software company's fixes… https://www.virusbulletin.com/blog/2010/02/out-band-patch-release-adobe/

Yxe trojan infecting mobile phones

Symbian software-signing slipup certifies SMS spambot.
Symbian software-signing slipup certifies SMS spambot. A new trojan, the first of its kind, is affecting users of the Symbian mobile operating system by spreading itself via text… https://www.virusbulletin.com/blog/2009/07/yxe-trojan-infecting-mobile-phones/

Keyloggers used to loot US county

$415,000 sneaked from local government funds.
$415,000 sneaked from local government funds. A Kentucky county has suffered losses of $415,000 after keylogging malware infiltrated its computer systems, allowing cybercriminals… https://www.virusbulletin.com/blog/2009/07/keyloggers-used-loot-us-county/

Microsoft issues emergency patch

Out-of-cycle update fixes serious, wormable flaw.
Out-of-cycle update fixes serious, wormable flaw.Microsoft has issued an emergency update to cover a serious vulnerability in the Windows Server service, breaking its usual monthly… https://www.virusbulletin.com/blog/2008/10/microsoft-issues-emergency-patch/

Malware reaches space station

Autorun worm found on non-critical systems.
Autorun worm found on non-critical systems. US space agency NASA has confirmed reports that laptops in use on the international space station have been found to have been infected… https://www.virusbulletin.com/blog/2008/08/malware-reaches-space-station/

Best Western database hack exposes info on 8m customers

Hotel chain data heist latest in string of major security leaks.
Hotel chain data heist latest in string of major security leaks. The global hotel chain Best Western has had its network security breached, leading to full details of thousands of… https://www.virusbulletin.com/blog/2008/08/best-western-database-hack-exposes-info-8m-customers/

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