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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Storm e-card malware keeps on coming

No end to flood of fake friendly greetings.
No end to flood of fake friendly greetings. A further wave of e-cards carrying links to 'Storm' malware (various labelled Nuwar, Peacomm, Dorf, Zhelatin) has been hitting inboxes… https://www.virusbulletin.com/blog/2007/08/storm-e-card-malware-keeps-coming/

House of Lords warns of e-crime fears

Report recommends harder, smarter fight against online dangers.
Report recommends harder, smarter fight against online dangers. A major report by the Science and Technology Committee of the UK's House of Lords has found the internet to be rife… https://www.virusbulletin.com/blog/2007/08/house-lords-warns-e-crime-fears/

Worries of Storm forming massive botnet

DDoS danger looms as infection levels boom.
DDoS danger looms as infection levels boom. Repeated waves of the 'Storm' trojan attacks continue to be spammed out, with the latest using more eCards to hook in still more… https://www.virusbulletin.com/blog/2007/08/worries-storm-forming-massive-botnet/

Spam barrages take down filters, networks

Report shows increase in spam bombardment attacks.
Report shows increase in spam bombardment attacks.MessageLabs' monthly report on the latest trends in spam has warned of an alarming rise in 'spam spikes', targeted attacks which… https://www.virusbulletin.com/blog/2007/06/spam-barrages-take-down-filters-networks/

Estonian websites suffer wave of DoS attacks

Baltic republic accuses Russia of cyber-warfare.
Baltic republic accuses Russia of cyber-warfare. A wave of denial of service (DoS) attacks on Estonian websites has prompted the Estonian government to accuse its neighbour of… https://www.virusbulletin.com/blog/2007/05/estonian-websites-suffer-wave-dos-attacks/

Botnet DoS no longer profitable

Extortion attacks fall as herders find easier money elsewhere.
Extortion attacks fall as herders find easier money elsewhere. The use of armies of botnets to carry out denial-of-service attacks on lucrative websites, as a method of extorting… https://www.virusbulletin.com/blog/2007/05/botnet-dos-no-longer-profitable/

DoS attacks support political unrest

Estonia rioting backed up by attacks on government websites.
Estonia rioting backed up by attacks on government websites. Severe rioting in Estonia, sparked by anger over the removal of a Russian monument from a prominent war memorial, has… https://www.virusbulletin.com/blog/2007/05/dos-attacks-support-political-unrest/

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