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.

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?"

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.

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.

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

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.

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.

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.

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?

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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VB2012 last-minute papers announced

Hot topics to be covered at VB conference in Dallas.
Hot topics to be covered at VB conference in Dallas. For the last six years, VB has set aside a section of the VB conference for 'last-minute' papers, the idea being that… https://www.virusbulletin.com/blog/2012/09/last-minute-papers-announced/

Gach do bonn a mbaineann a chur chugainn

Why cybercriminals may have a reason for using Irish language in a ransomware scam.
Why cybercriminals may have a reason for using Irish language in a ransomware scam. According to a story that made the security headlines this weekend, and which seems to orginate… https://www.virusbulletin.com/blog/2012/09/gach-do-bonn-mbaineann-chur-chugainn/

Thousands of websites infected with .htaccess redirect attack

Various anti-detection methods applied.
Various anti-detection methods applied. Thousands of legitimate websites have seen .htaccess files compromised and as a consequence have been used to serve the 'Milisenco' trojan,… https://www.virusbulletin.com/blog/2012/07/thousands-websites-infected-htaccess-redirect-attack/

Android malware hides inside JPG image

New LeNa variant no longer depends on rooted devices.
New LeNa variant no longer depends on rooted devices. Researchers at Lookout have discovered a new version of the 'LeNa' trojan for Android that does not require user interaction… https://www.virusbulletin.com/blog/2012/04/android-malware-hides-inside-jpg-image/

Microsoft Word for Mac exploit used in targeted attacks

Tibetan NGOs targeted.
Tibetan NGOs targeted. Researchers at Alienvault have discovered a targeted attack against Tibetan NGOs that uses a three-year-old vulnerability in Microsoft Office for Mac.… https://www.virusbulletin.com/blog/2012/03/microsoft-word-mac-exploit-used-targeted-attacks/

'Unsubscribe' URL in junk fax leads to malware

Trojan downloader behind .co.cc URL.
Trojan downloader behind .co.cc URL. Researchers at Vircom have discovered a junk fax with an 'unsubscribe' URL which contained a trojan downloader. Junk faxes (also known as 'fax… https://www.virusbulletin.com/blog/2012/02/unsubscribe-url-junk-fax-leads-malware/

Sykipot trojan used to target smart cards

Defence companies among small number of targets.
Defence companies among small number of targets. Researchers at Alienvault have discovered a version of the 'Sykipot' trojan that is being used to target organisations that make… https://www.virusbulletin.com/blog/2012/01/sykipot-trojan-used-target-smart-cards/

'Nitro attacks' continue

PoisonIvy trojan sent attached to email warning about the same trojan.
PoisonIvy trojan sent attached to email warning about the same trojan. Researchers at Symantec report that the 'Nitro attacks', which target a number of large companies, many of… https://www.virusbulletin.com/blog/2011/12/nitro-attacks-continue/

SMS trojan targets Android users in eight western countries

Will another piece of mobile malware convince Google manager of the seriousness of the threat?
Will another piece of mobile malware convince Google manager of the seriousness of the threat? Researchers at Kaspersky have discovered an SMS trojan for Android phones that… https://www.virusbulletin.com/blog/2011/11/sms-trojan-targets-android-users-eight-western-countries/

DNS poisoning attack targeting Brazilian customers

ISP employee suspected of changing DNS cache.
ISP employee suspected of changing DNS cache. Millions of Internet users in Brazil may have been exposed to malware after the DNS caches of their ISPs were modified to redirect… https://www.virusbulletin.com/blog/2011/11/dns-poisoning-attack-targeting-brazilian-customers/

'Son of Stuxnet' trojan found

'Duqu' used in targeted attacks to steal specific information.
'Duqu' used in targeted attacks to steal specific information. Researchers at both Symantec and McAfee have discovered a new Remote Access Trojan (RAT) with strong links to Stuxnet… https://www.virusbulletin.com/blog/2011/10/son-stuxnet-trojan-found/

Mac trojan is VMware-aware

Malicious execution stopped when virtual environment is detected.
Malicious execution stopped when virtual environment is detected. Researchers at F-Secure have found a variant of the 'Flashback' trojan for Mac (a fake Adobe Flash Player update)… https://www.virusbulletin.com/blog/2011/10/mac-trojan-vmware-aware/

Government trojan found on German computers

Four states admit the use of spyware.
Four states admit the use of spyware. Controversy has arisen in Germany, after the well-known CCC hacker group reported that it had found a trojan that was used to spy on behalf of… https://www.virusbulletin.com/blog/2011/10/government-trojan-found-german-computers/

Attack targets government agencies in CIS countries

Trojans used to steal specific files.
Trojans used to steal specific files. Researchers at Trend Micro have discovered an ongoing targeted attack against, among others, government agencies and diplomatic missions in… https://www.virusbulletin.com/blog/2011/09/attack-targets-government-agencies-cis-countries/

Trojan steals money from bank accounts via 'training session'

Social engineering circumvents banking security
Social engineering circumvents banking security In a new method of stealing money from customer accounts, a variant of the SpyEye trojan invites the user to make a supposedly… https://www.virusbulletin.com/blog/2011/09/trojan-steals-money-bank-accounts-training-session/

Researchers find email used in RSA hack

Email with malicious attachment uploaded to online scanning service
Email with malicious attachment uploaded to online scanning service Researchers at F-Secure have managed to obtain the file used in the targeted attack against security vendor RSA… https://www.virusbulletin.com/blog/2011/08/researchers-find-email-used-rsa-hack/

Explosive growth of malicious spam

Spam filters less likely to block current malware campaigns.
Spam filters less likely to block current malware campaigns. While several reports show that the global levels of spam have seen a steady decline over the past year, this month has… https://www.virusbulletin.com/blog/2011/08/explosive-growth-malicious-spam/

Fake codec trojan disables anti-virus software

Victim tricked into believing security software still active.
Victim tricked into believing security software still active. A new trojan, discovered by researchers at ESET, spreads itself via fake codecs, then disables running anti-virus… https://www.virusbulletin.com/blog/2011/08/fake-codec-trojan-disables-anti-virus-software/

Banking malware tells user to 'refund' money

Web injection used to suggest accidental transfer.
Web injection used to suggest accidental transfer. In a new twist to banking trojans, a piece of malware found on German computers tricks victims into believing a large amount has… https://www.virusbulletin.com/blog/2011/08/banking-malware-tells-user-refund-money/

Trojan uses remote user account to control compromised machine

Malware targets customers of Brazilian banks.
Malware targets customers of Brazilian banks. Researchers at Kaspersky have discovered a piece of malware aimed at customers of Brazilian banks which creates a remote user account… https://www.virusbulletin.com/blog/2011/07/trojan-uses-remote-user-account-control-compromised-machine/

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