VB Blog

VB2018 paper: Anatomy of an attack: detecting and defeating CRASHOVERRIDE

Posted by Martijn Grooten on Mar 5, 2019

In December 2016, the CRASHOVERRIDE malware framework was used to cause a blackout in Ukraine. At VB2018 in Montreal, Dragos researcher Joe Slowik presented a detailed paper on the framework, explaining how the malware works and how it targets various protocols used to operate the electric grid. Today we publish both Joe's paper and the recording of his presentation.

Posted by Helen Martin on Mar 1, 2019

In a presentation at VB2018, Michael Daniel, President and CEO of the Cyber Threat Alliance, outlined exactly how threat sharing strengthens a company's competitive advantage. Today we release the recording of his presentation.

Posted by Martijn Grooten on Feb 25, 2019

The set-up of the VBSpam test lab gives us a unique insight into the kinds of emails that are more likely to bypass email filters. This week we look at the malspam that was missed: a very international email with a link serving Emotet, an Italian Ursnif campaign with a password-protected ZIP and an email to which a clumsy spammer had attached a list of email addresses rather than a payload.

Posted by Martijn Grooten on Feb 22, 2019

Domains play a crucial role in most cyber attacks, from the very advanced to the very mundane. Today, we publish a VB2018 paper by Paul Vixie (Farsight Security) who undertook the first systematic study into the lifetimes of newly registered domains.

Posted by Martijn Grooten on Feb 20, 2019

Constraint programming is a lesser-known technique that is becoming increasingly popular among malware analysts. In a paper presented at VB2018 Thaís Moreira Hamasaki presented an overview of the technique and explained how it can be applied to the analysis of (potentially) malicious binaries. Today, we publish both Thaís' paper and the video of her presentation.

Posted by Martijn Grooten on Feb 19, 2019

With a little less than a month before the deadline of the call for papers for VB2019, Virus Bulletin encourages submissions from experienced speakers and newcomers alike.

Posted by Helen Martin on Feb 13, 2019

At VB2018 in Montreal, Ixia researcher Stefan Tanase presented a thought-provoking paper on the current state of the Internet and the worrying tendency towards raising borders and restricting the flow of information. Today we publish both his paper and the recording of his presentation.

Posted by Martijn Grooten on Feb 11, 2019

The set-up of the VBSpam test lab gives us a unique insight into the kinds of emails that are more likely to bypass email filters. This week we look at the malspam that was missed: banking and email phishing, Emotet and Bushaloader.

Posted by Helen Martin on Feb 8, 2019

The cybersecurity skills gap has been described as one of the biggest challenges facing IT leaders today. At VB2018 in Montreal, ESET's Lysa Myers outlined some of the things the industry can do to help address the problem. Today we publish Lysa's paper and the recording of her presentation.

Posted by Martijn Grooten on Feb 5, 2019

We look forward the Nullcon 2019 conference in Goa, India, at which VB Editor Martijn Grooten will give a talk on the state of malware.

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Compromised Yahoo! accounts continue to spread Android malware

Problem likely to be on Yahoo!'s side.
Problem likely to be on Yahoo!'s side. In recent weeks, we have noticed an uptick in the amount of spam sent from compromised Yahoo! accounts; we have reasons to believe the… https://www.virusbulletin.com/blog/2013/06/compromised-yahoo-accounts-continue-spread-android-malware/

AV Test releases Android test data

30 mobile solutions tested for malware protection and speed hit.
30 mobile solutions tested for malware protection and speed hit. Independent test organization AV-Test has released its latest report, covering the Andriod platform. This major… https://www.virusbulletin.com/blog/2013/06/av-test-releases-android-test-data/

India believed to be source of sophisticated surveillance campaigns

In-depth investigations find widespread worldwide snooping, Pakistan primary target.
In-depth investigations find widespread worldwide snooping, Pakistan primary target. Several reports have emerged recently covering a highly organised campaign of targeted… https://www.virusbulletin.com/blog/2013/05/india-believed-be-source-sophisticated-surveillance-campaigns/

Commoditization increasingly seen in mobile malware

Number of malicious samples and families increase, as Android remains most popular mobile platform.
Number of malicious samples and families increase, as Android remains most popular mobile platform. As the number of mobile malware samples in existence continues to grow faster… https://www.virusbulletin.com/blog/2013/05/commoditization-increasingly-seen-mobile-malware/

Program turns anti-analysis tools against the malware

Users cautioned to be wary of a false sense of security.
Users cautioned to be wary of a false sense of security. Could you defeat VM-aware malware by making your system aware of VM-aware malware? Tricks to frustrate researchers and… https://www.virusbulletin.com/blog/2013/05/program-turns-anti-analysis-tools-against-malware/

Flame worm one of the most complex threats ever discovered

Malware possibly used for cyber-espionage.
Malware possibly used for cyber-espionage. The jury is out on whether 'Flame' (also known as 'Flamer' or 'Skywiper') is 'the most lethal cyberweapon to date' as some have claimed,… https://www.virusbulletin.com/blog/2012/05/flame-worm-one-most-complex-threats-ever-discovered/

FBI warns against malware installed via hotel networks

Malware poses as fake update of popular software.
Malware poses as fake update of popular software. The FBI has warned travellers against fake software updates served through hotel connections which actually attempt to install… https://www.virusbulletin.com/blog/2012/05/fbi-warns-against-malware-installed-hotel-networks/

Android malware served via compromised websites

Malware downloaded automatically, but requires user permission to be installed.
Malware downloaded automatically, but requires user permission to be installed. Researchers at mobile security company Lookout have discovered a number of compromised websites that… https://www.virusbulletin.com/blog/2012/05/android-malware-served-compromised-websites/

Significant rise in malicious spam and phishing

Over one quarter of malicious emails contain eight-year-old malware.
Over one quarter of malicious emails contain eight-year-old malware. Email security firm eleven has reported a significant rise in both malicious emails and phishing emails in the… https://www.virusbulletin.com/blog/2012/04/significant-rise-malicious-spam-and-phishing/

New Zeus/SpyEye botnet does away with command-and-control servers

Increasing use of UDP to avoid communication tracking.
Increasing use of UDP to avoid communication tracking. Researchers at Symantec have discovered a new parallel build of Zeus (also known as Zbot) and SpyEye that appears to be… https://www.virusbulletin.com/blog/2012/02/new-zeus-spyeye-botnet-does-away-command-and-control-servers/

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/

'Largest takedown ever' sees six arrested

Millions made through 'DNSChanger' malware.
Millions made through 'DNSChanger' malware. Six Estonian nationals have been arrested for taking part in a cybercrime ring that made money through DNS-changing malware that had… https://www.virusbulletin.com/blog/2011/11/largest-takedown-ever-sees-six-arrested/

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/

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/

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/

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/

Malicious PHP script hides bad stuff inside 'white-space'

Spaces and tabs used to encode into binary.
Spaces and tabs used to encode into binary. Researchers at Kaspersky have discovered a malicious PHP script that uses an inventive way to obfuscate its malicious behaviour. The… https://www.virusbulletin.com/blog/2011/06/malicious-php-script-hides-bad-stuff-inside-white-space/

Facebook scam serving malware

Attack targeting Windows and Mac users in US and UK.
Attack targeting Windows and Mac users in US and UK. A Facebook scam that is doing the rounds at the moment - claiming to contain a 'freaky video' related to the ongoing case… https://www.virusbulletin.com/blog/2011/06/facebook-scam-serving-malware/

Canada new hotbed for cybercriminal activity

Country's IP addresses less likely to be scrutinized.
Country's IP addresses less likely to be scrutinized. Security firm Websense has reported a significant increase in cybercrime originating in Canada. Hitherto, Canada and… https://www.virusbulletin.com/blog/2011/05/canada-new-hotbed-cybercriminal-activity/

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