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

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/

Cutwail botnet sent 1.7 trillion spam messages

Operators made several million through botnet.
Operators made several million through botnet. Researchers from The Last Line of Defense and universities in Bochum and Santa Barbara have shared some insight into the workings of… https://www.virusbulletin.com/blog/2011/03/cutwail-botnet-sent-1-7-trillion-spam-messages/

Cybercriminals frustrated with botnet trackers

Drastic measures discussed by users of online forum.
Drastic measures discussed by users of online forum. Russian cybercriminals are willing to go to great lengths to frustrate services that hinder botnets created with the ZeuS and… https://www.virusbulletin.com/blog/2011/03/cybercriminals-frustrated-botnet-trackers/

'Job application' contains malicious attachment

$150,000 lost via banking trojan.
$150,000 lost via banking trojan. An unidentified US company has learned the hard way that email attachments - even to those that appear to be solicited - may contain malware. The… https://www.virusbulletin.com/blog/2011/01/job-application-contains-malicious-attachment/

18 months for member of m00p gang

Hacker receives prison sentence.
Hacker receives prison sentence. A Scottish man who pleaded guilty last month to 'causing unauthorized modification to the content of computers' as part of his involvement in the… https://www.virusbulletin.com/blog/2010/11/18-months-member-m00p-gang/

Success in anti-botnet operation

VB Seminar speaker describes how m00p gang member exploited computer users.
VB Seminar speaker describes how m00p gang member exploited computer users. A Scottish man pleaded guilty last month to 'causing unauthorized modification to the content of… https://www.virusbulletin.com/blog/2010/11/success-anti-botnet-operation/

Out-of-band patch release from Adobe

Unscheduled update released by Adobe.
Unscheduled update released by Adobe.Adobe has released an unscheduled patch for its Reader and Acrobat programs to address some critical flaws. The software company's fixes… https://www.virusbulletin.com/blog/2010/02/out-band-patch-release-adobe/

Warrant issued for arrest of cyclist turned hacker

Cyclist accused of planting trojan at dope testing lab.
Cyclist accused of planting trojan at dope testing lab. A French judge has issued a warrant for the arrest of US cyclist Floyd Landis in connection with a computer hacking case.… https://www.virusbulletin.com/blog/2010/02/warrant-issued-arrest-cyclist-turned-hacker/

Webmail data leak hype deflated

Rumoured phishing explosion grabs headlines, reality much more mundane.
Rumoured phishing explosion grabs headlines, reality much more mundane. This week has seen some major news organisations picking up on the story of tens of thousands of sets of… https://www.virusbulletin.com/blog/2009/10/webmail-data-leak-hype-deflated/

Rogue AV claims to send money to environmental causes

'Green AV' best added to blacklist to avoid red faces.
'Green AV' best added to blacklist to avoid red faces. In an attempt to lure users into buying it, the rogue anti-malware product Green AV claims to send US$2 per purchased product… https://www.virusbulletin.com/blog/2009/09/rogue-av-claims-send-money-environmental-causes/

Keyloggers used to loot US county

$415,000 sneaked from local government funds.
$415,000 sneaked from local government funds. A Kentucky county has suffered losses of $415,000 after keylogging malware infiltrated its computer systems, allowing cybercriminals… https://www.virusbulletin.com/blog/2009/07/keyloggers-used-loot-us-county/

MS forms anti-Conficker alliance

Industry group to combine efforts, reward offered.
Industry group to combine efforts, reward offered.Microsoft has announced a collaborative effort to combat the Conficker (aka Downadup) botnet, the widespread infection making… https://www.virusbulletin.com/blog/2009/02/ms-forms-anti-conficker-alliance/

MS report finds phishing revenues overhyped

Huge earnings may be myth, say researchers.
Huge earnings may be myth, say researchers. A report from Microsoft analysing the potential income of phishers claims that the amounts taken from duped victims of online scams may… https://www.virusbulletin.com/blog/2009/01/ms-report-finds-phishing-revenues-overhyped/

UK to adopt Euro police hacking scheme

Remote search and cyber patrol plans approved.
Remote search and cyber patrol plans approved. The UK Home Office has signed up to a European initiative, proposed in November, to grant police forces greater powers to hack into… https://www.virusbulletin.com/blog/2009/01/uk-adopt-euro-police-hacking-scheme/

Sarkozy bank account raided by cybercrooks

Hackers steal from French president - phish suspected.
Hackers steal from French president - phish suspected. French president Nicolas Sarkozy has had his funds stolen from his bank account, apparently after a phishing email tricked… https://www.virusbulletin.com/blog/2008/10/sarkozy-bank-account-raided-cybercrooks/

Trojan-to-worm automation tool spotted

GUI gizmo adds extra spreading menace to any malware.
GUI gizmo adds extra spreading menace to any malware. Researchers at Panda have discovered a simple and colourful graphical application designed to add basic worm techniques to… https://www.virusbulletin.com/blog/2008/06/trojan-worm-automation-tool-spotted/

Spyware gang sneaks millions from SA government

32 arrested but South Africa theft scam thought to be ongoing.
32 arrested but South Africa theft scam thought to be ongoing. An orchestrated series of spyware infiltrations has netted scammers over £12.8 million ($24.7 million) from the South… https://www.virusbulletin.com/blog/2008/06/spyware-gang-sneaks-millions-sa-government/

41 months plus hefty fine for botherder

Cross-border operation brings adware crook to book.
Cross-border operation brings adware crook to book. A Florida man has been sentenced to 41 months in prison and fined $65,000 (approx. £32,000) after implanting bot software on… https://www.virusbulletin.com/blog/2008/06/41-months-plus-hefty-fine-botherder/

File encryption blackmail scam returns

Kaspersky warns of new and nasty data-ransom trojan.
Kaspersky warns of new and nasty data-ransom trojan. Malware analysts at Kaspersky Lab have warned of the return of the 'Gpcoder' trojan, a nasty piece of 'ransomware' which… https://www.virusbulletin.com/blog/2008/06/file-encryption-blackmail-scam-returns/

EU agency research advises sweeping security improvements

ISPs and developers should be held to account, says report.
ISPs and developers should be held to account, says report. A research paper commissioned by the European Network and Information Security Agency (ENISA) has called for major… https://www.virusbulletin.com/blog/2008/03/eu-agency-research-advises-sweeping-security-improvements/

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