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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Search blog

Dutch ISP sues Spamhaus for 'extortion'

Blacklist entries 'unfair and illegal'.
Blacklist entries 'unfair and illegal'. Dutch ISP A2B Internet has sued The Spamhaus Project, claiming the project unfairly blacklisted its IP range. A2B provides the upstream… https://www.virusbulletin.com/blog/2011/10/dutch-isp-sues-spamhaus-extortion/

Google AdWords phishing campaign spreads

Users urged to login because of 'issues'.
Users urged to login because of 'issues'. A new phishing campaign that targets users of Google AdWords looks worryingly real, GFI reports. The phish begins with an email claiming… https://www.virusbulletin.com/blog/2011/10/google-adwords-phishing-campaign-spreads/

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/

VB conference hashtag used to spread malware

Tweet promising conference news links to trojan.
Tweet promising conference news links to trojan. A tweet using the #vb2011 hashtag, which was used in numerous tweets referring to last week's VB2011 conference, contained a link… https://www.virusbulletin.com/blog/2011/10/vb-conference-hashtag-used-spread-malware/

October

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2011/10/

October issue of VB published

The October issue of Virus Bulletin is now available for subscribers to download.
The October issue of Virus Bulletin is now available for subscribers to download. The October 2011 issue of Virus Bulletin is now available for subscribers to browse online or… https://www.virusbulletin.com/blog/2011/10/october-issue-vb-published/

Mysql.com hacked, serving malware

Root access to site offered on black market.
Root access to site offered on black market. Yesterday, mysql.com, the official website of the popular database management system MySQL, was hacked and visitors to the website were… https://www.virusbulletin.com/blog/2011/09/mysql-com-hacked-serving-malware/

E-marketing companies compromised to send spam

Fake order confirmations contain malicious links.
Fake order confirmations contain malicious links. Spammers have gained access to the accounts of email service providers (ESPs) and used them to send out fake order confirmation… https://www.virusbulletin.com/blog/2011/09/e-marketing-companies-compromised-send-spam/

Alureon trojan uses steganography to receive commands

Messages hidden inside images create extra layer of redundancy.
Messages hidden inside images create extra layer of redundancy. Researchers at Microsoft have discovered a new variant of the 'Alureon' trojan that uses steganography to make… https://www.virusbulletin.com/blog/2011/09/alureon-trojan-uses-steganography-receive-commands/

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/

New RFC grants DKIM improved status

Email signing method now 'Draft Standard'.
Email signing method now 'Draft Standard'. The Internet Engineering Task Force (IETF) has published a new RFC describing the DKIM protocol which sees its status advance from… https://www.virusbulletin.com/blog/2011/09/new-rfc-grants-dkim-improved-status/

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/

Malicious spam campaigns leave experts puzzled

Increase in malware in spam has not led to increase in malicious activity.
Increase in malware in spam has not led to increase in malicious activity. Security researchers have noticed a significant increase in the quantity of spam sent with malicious… https://www.virusbulletin.com/blog/2011/09/malicious-spam-campaigns-leave-experts-puzzled/

Bank's Twitter account hacked to send phishing messages

Important lessons for companies engaging in social media.
Important lessons for companies engaging in social media. Last week, the Twitter account of the Bank of Melbourne was hacked and used to send direct messages containing phishing… https://www.virusbulletin.com/blog/2011/09/bank-s-twitter-account-hacked-send-phishing-messages/

Diginotar declared bankrupt

Browsers and operating systems had already revoked trust in Dutch CA.
Browsers and operating systems had already revoked trust in Dutch CA. Dutch certificate authority Diginotar was declared bankrupt by a Dutch court this morning. Diginotar made the… https://www.virusbulletin.com/blog/2011/09/diginotar-declared-bankrupt/

Confirmed newsletter subscriptions half as likely to be blocked

Good practice means good performance.
Good practice means good performance. Newsletters that do not confirm their subscriptions are twice as likely to be blocked by spam filters as those that do, Virus Bulletin has… https://www.virusbulletin.com/blog/2011/09/confirmed-newsletter-subscriptions-half-likely-be-blocked/

Windows Help Files used in targeted attacks

Files with code-executing properties attached to emails.
Files with code-executing properties attached to emails. Researchers at Symantec have discovered Windows Help Files being used in targeted attacks. Such help files, which use the… https://www.virusbulletin.com/blog/2011/09/windows-help-files-used-targeted-attacks/

Latest VBSpam certification results published

Latest VBSpam results published - full report now also available.
Latest VBSpam results published - full report now also available. The results of the September VBSpam comparative review have been announced. This month's VBSpam test sees 23… https://www.virusbulletin.com/blog/2011/09/latest-vbspam-certification-results-published/

Iranians spied on using rogue DigiNotar certificates

Fake certificates signed for CIA, Mossad, Google, Facebook.
Fake certificates signed for CIA, Mossad, Google, Facebook. It is likely that Iranian Internet users have been spied on following a hack discovered at Dutch certificate authority… https://www.virusbulletin.com/blog/2011/09/iranians-spied-using-rogue-diginotar-certificates/

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