VB Blog

VB2019 paper: Inside Magecart: the history behind the covert card-skimming assault on the e-commerce industry

Posted by   Martijn Grooten on   Oct 28, 2019

Today we publish the VB2019 paper by RiskIQ researcher Yonathan Klijnsma, who looked at the Magecart web-skimming attacks.

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VB2019 videos: partner presentations

Posted by   Martijn Grooten on   Oct 25, 2019

Today, we publish the videos of the VB2019 partner presentations by Michael Maltsev (Reason Cybersecurity) on webcam interception and protection, and by Jean-Ian Boutin and Anton Cherepanov (ESET) on the Buhtrap group.

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VB tests the web security products that play an important role in fending off web-based threats

Posted by   Martijn Grooten on   Oct 24, 2019

The web continues to be a major infection vector for malware and credential-stealing threats. In the VBWeb tests, we measure products' ability to block such threats and certify products that perform a good job at doing so.

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VB2019 papers: Emotet and Ryuk

Posted by   Martijn Grooten on   Oct 23, 2019

Today we publish VB2019 papers by Luca Nagy (Sophos) on Emotet and Gabriela Nicolao and Luciano Martins (Deloitte) on Ryuk, as well as the corresponding videos of their presentations.

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Responsible madness?

Posted by   Virus Bulletin on   Oct 22, 2019

The debate on responsible disclosure is about as old as IT security itself. In a guest post for Virus Bulletin Robert Neumann suggests we need to reconsider a one-size-fits-all solution and instead look for a well-respected independent organization to handle security issues.

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VB2019 paper: Geost botnet. The story of the discovery of a new Android banking trojan from an OpSec error

Posted by   Martijn Grooten on   Oct 21, 2019

OpSec mistakes are what lead to many malware discoveries, and in the case of the Geost Android botnet the mistake was a really interesting one. Today we publish the VB2019 paper by Sebastian García, Maria Jose Erquiaga and Anna Shirokova on the Geost botnet, as well as the recording of Sebastian and Anna presenting their research in London.

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Analysis of malware responsible for sextortion spam that mines for Monero on the side

Posted by   Virus Bulletin on   Oct 14, 2019

VB2019 Platinum partner Reason Cybersecurity presents a threat analysis report on the Save Yourself malware.

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Guest blog: Threat intelligence – a unifying force of the future

Posted by   Virus Bulletin on   Oct 4, 2019

In a guest blog post VB2019 Platinum partner Reason Cybersecurity looks to the future of threat intelligence.

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Guest blog: Why we should be paying more attention to Linux threats

Posted by   Virus Bulletin on   Sep 25, 2019

In a guest blog post VB2019 Silver partner Intezer outlines the importance of paying attention to Linux threats.

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New Emotet spam campaign continues to bypass email security products

Posted by   Martijn Grooten on   Sep 18, 2019

On Monday, the infamous Emotet malware resumed its spam campaign to spread the latest version of the malware. As before, the malware successfully bypasses many email security products.

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Search blog

Is publishing your employees' email addresses such a big deal?

Beware of a false sense of security.
Beware of a false sense of security. Security blogger Graham Cluley points to hypocrisy in a KPMG press release in which it criticises FTSE 350 companies for 'leaking data that can… https://www.virusbulletin.com/blog/2013/07/publishing-your-employees-email-addresses-such-big-deal/

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/

Vulnerabilities could trigger payload in emails upon receiving or opening

Flaws in IBM Notes and Exim/Dovecot easy to mitigate.
Flaws in IBM Notes and Exim/Dovecot easy to mitigate. Two recently discovered vulnerabilities in mail processing software could give an attacker access to a targeted system without… https://www.virusbulletin.com/blog/2013/05/vulnerabilities-could-trigger-payload-emails-upon-receiving-or-opening/

Different focus on spam needed

What happens before the filter doesn't matter too much.
What happens before the filter doesn't matter too much. It is surprisingly difficult to get accurate figures for the amount of spam that is sent globally, yet everyone agrees that… https://www.virusbulletin.com/blog/2013/04/different-focus-spam-needed/

Weak cryptography keys allow others to add valid DKIM signatures to fake emails

512-bit key cracked within 72 hours.
512-bit key cracked within 72 hours. A Florida-based mathematician has caused a stir in the email community by adding a valid DKIM signature for google.com to an email after… https://www.virusbulletin.com/blog/2012/10/weak-cryptography-keys-allow-others-add-valid-dkim-signatures-fake-emails/

Cybercriminals offering service flooding email, phone and SMS

DDoS-type attack could seriously disrupt business.
DDoS-type attack could seriously disrupt business. A new service is being offered on underground forums where between 25,000 and 100,000 emails are being sent to an email account… https://www.virusbulletin.com/blog/2012/07/cybercriminals-offering-service-flooding-email-phone-and-sms/

New RFC describes best practices for running DNS-based lists

DNSBL users advised to avoid those lists that charge for delisting.
DNSBL users advised to avoid those lists that charge for delisting. A new RFC document has been published that describes the best operational practices for the use of DNS-based… https://www.virusbulletin.com/blog/2012/01/new-rfc-describes-best-practices-running-dns-based-lists/

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/

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/

Researchers find email used in RSA hack

Email with malicious attachment uploaded to online scanning service
Email with malicious attachment uploaded to online scanning service Researchers at F-Secure have managed to obtain the file used in the targeted attack against security vendor RSA… https://www.virusbulletin.com/blog/2011/08/researchers-find-email-used-rsa-hack/

Hotmail beefs up security with stricter password policy

'My friend has been spammed' button also welcomed by experts.
'My friend has been spammed' button also welcomed by experts.Microsoft's free webmail service Hotmail has introduced some new features which should make it less likely for its… https://www.virusbulletin.com/blog/2011/07/hotmail-beefs-security-stricter-password-policy/

'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/

ARF published as IETF standard

Abuse report format helps auto-handling of email complaints
Abuse report format helps auto-handling of email complaints ARF (Abuse Reporting Format) has been approved by the IETF as an Internet standard. ARF is a format used to send… https://www.virusbulletin.com/blog/2010/09/arf-published-ietf-standard/

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