VB Blog

VB2019 video: Thwarting Emotet email conversation thread hijacking with clustering

Posted by   Martijn Grooten on   Nov 29, 2019

At VB2019 in London, ZEROSPAM researchers Pierre-Luc Vaudry and Olivier Coutu discussed how email clustering could be used to detect malicious Emotet emails that hijacked existing email threads. Today we publish the recording of their presentation.

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VB2019 paper: A vine climbing over the Great Firewall: a long-term attack against China

Posted by   Martijn Grooten on   Nov 28, 2019

Today we publish a VB2019 paper from Lion Gu and Bowen Pan from the Qi An Xin Threat Intelligence Center in China in which they analysed an APT group dubbed 'Poison Vine', which targeted various government, military and research institutes in China.

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VB2019 paper: Fantastic Information and Where to Find it: A guidebook to open-source OT reconnaissance

Posted by   Martijn Grooten on   Nov 22, 2019

A VB2019 paper by FireEye researcher Daniel Kapellmann Zafra explained how open source intelligence (OSINT) can be used to learn crucial details of the inner workings of many a system. Today we publish Daniel's paper and the recording of his presentation.

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VB2019 paper: Different ways to cook a crab: GandCrab Ransomware-as-a-Service (RaaS) analysed in depth

Posted by   Martijn Grooten on   Nov 21, 2019

Though active for not much longer than a year, GandCrab had been one of the most successful ransomware operations. In a paper presented at VB2019 in London, McAfee researchers John Fokker and Alexandre Mundo looked at the malware code, its evolution and the affiliate scheme behind it. Today we publish both their paper and the recording of their presentation.

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VB2019 paper: Domestic Kitten: an Iranian surveillance program

Posted by   Martijn Grooten on   Nov 18, 2019

At VB2019 in London, Check Point researchers Aseel Kayal and Lotem Finkelstein presented a paper detailing an Iranian operation they named 'Domestic Kitten' that used Android apps for targeted surveillance. Today we publish their paper and the video of their presentation.

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VB2019 video: Discretion in APT: recent APT attack on crypto exchange employees

Posted by   Martijn Grooten on   Nov 18, 2019

At VB2019 in London, LINE's HeungSoo Kang explained how cryptocurrency exchanges had been attacked using Firefox zero-days. Today, we publish the video of his presentation.

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VB2019 paper: DNS on fire

Posted by   Martijn Grooten on   Nov 7, 2019

In a paper presented at VB2019, Cisco Talos researchers Warren Mercer and Paul Rascagneres looked at two recent attacks against DNS infrastructure: DNSpionage and Sea Turtle. Today we publish their paper and the recording of their presentation.

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German Dridex spam campaign is unfashionably large

Posted by   Martijn Grooten on   Nov 6, 2019

VB has analysed a malicious spam campaign targeting German-speaking users with obfuscated Excel malware that would likely download Dridex but that mostly stood out through its size.

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Paper: Dexofuzzy: Android malware similarity clustering method using opcode sequence

Posted by   Martijn Grooten on   Nov 5, 2019

We publish a paper by researchers from ESTsecurity in South Korea, who describe a fuzzy hashing algorithm for clustering Android malware datasets.

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Emotet continues to bypass many email security products

Posted by   Martijn Grooten on   Nov 4, 2019

Having returned from a summer hiatus, Emotet is back targeting inboxes and, as seen in the VBSpam test lab, doing a better job than most other malicious campaigns at bypassing email security products.

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Search blog

AV-Test releases latest results

Business and consumer products achieve high pass rate.
Business and consumer products achieve high pass rate. Independent testing lab AV-Test.org has released its latest batch of test results, with 23 consumer products and eight… https://www.virusbulletin.com/blog/2012/01/av-test-releases-latest-results/

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/

Spammers link to site containing QR code

Curious users may scan URL and end up on pharma websites.
Curious users may scan URL and end up on pharma websites. Researchers at Websense have discovered spam containing links to a site containing a QR code in which the spam's target… https://www.virusbulletin.com/blog/2012/01/spammers-link-site-containing-qr-code/

January issue of VB published

The January issue of Virus Bulletin is now available for subscribers to download.
The January issue of Virus Bulletin is now available for subscribers to download. The January 2012 issue of Virus Bulletin is now available for subscribers to browse online or… https://www.virusbulletin.com/blog/2012/01/january-issue-vb-published/

2012

Latest news from the anti-virus industry provided by independent anti-virus advisors, Virus Bulletin
NewsDecember issue of VB published The December issue of Virus Bulletin is now available for subscribers to download. 03 December 2012Virus Bulletin announces VBWeb tests for web… https://www.virusbulletin.com/blog/2012/

January

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2012/01/

Spammers using Google open redirect

Vulnerability 'not worthy of bug bounty program'.
Vulnerability 'not worthy of bug bounty program'. Researchers at Solera Labs have discovered spammers using an open redirect at Google to hide the final destination of their link… https://www.virusbulletin.com/blog/2011/12/spammers-using-google-open-redirect/

Compromised websites used to mine bitcoins

In-the-browser botnet turns victims' CPU cycles into cash for the attackers.
In-the-browser botnet turns victims' CPU cycles into cash for the attackers. Researchers have discovered a compromised website where a piece of JavaScript has been included that is… https://www.virusbulletin.com/blog/2011/12/compromised-websites-used-mine-bitcoins/

'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/

December

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2011/12/

December issue of VB published

The December issue of Virus Bulletin is now available for subscribers to download.
The December issue of Virus Bulletin is now available for subscribers to download. The December 2011 issue of Virus Bulletin is now available for subscribers to browse online or… https://www.virusbulletin.com/blog/2011/12/december-issue-vb-published/

Recently discovered Java vulnerability being added to exploit kit

Kit 'patched' to include latest exploit; users urged to patch their software too.
Kit 'patched' to include latest exploit; users urged to patch their software too. Security researcher and journalist Brian Krebs has found evidence that a recently discovered… https://www.virusbulletin.com/blog/2011/11/recently-discovered-java-vulnerability-being-added-exploit-kit/

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/

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 November VBSpam comparative review have been announced, with more distinction showing between… https://www.virusbulletin.com/blog/2011/11/latest-vbspam-certification-results-published/

IETF expedites publication of RFC describing feedback loop recommendations

Document fast-tracked to be published shortly before the sad passing of its author J.D. Falk.
Document fast-tracked to be published shortly before the sad passing of its author J.D. Falk. The Internet Engineering Task Force (IETF) has published an RFC detailing current… https://www.virusbulletin.com/blog/2011/11/ietf-expedites-publication-rfc-describing-feedback-loop-recommendations/

South Korea to ask ISPs to block port 25 traffic

Experts sceptical about long-term effects on spam levels.
Experts sceptical about long-term effects on spam levels. South Korea intends to require ISPs to block all outbound traffic on port 25 from anything but the "official" mail… https://www.virusbulletin.com/blog/2011/11/south-korea-ask-isps-block-port-25-traffic/

Most free Android anti-virus 'useless', find testers

AV-Test comparative sees minimal value in free mobile protection.
AV-Test comparative sees minimal value in free mobile protection. In a comparative test run by independent anti-malware testing specialist AV-Test.org, the majority of free Android… https://www.virusbulletin.com/blog/2011/11/most-free-android-anti-virus-useless-find-testers/

Significant rise in Chinese phishing sites

Phishers shown to care little about domain names.
Phishers shown to care little about domain names. In its latest 'Global Phishing Survey', the Anti-Phishing Working Group (APWG) reports a significant increase in phishing sites… https://www.virusbulletin.com/blog/2011/11/significant-rise-chinese-phishing-sites/

'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/

Support scammers up their game

Websites and Facebook accounts created to make callers appear more legitimate.
Websites and Facebook accounts created to make callers appear more legitimate. 'Support call scammers' have started to use professional-looking websites and social media accounts… https://www.virusbulletin.com/blog/2011/11/support-scammers-their-game/

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