VB Blog

Patch early, patch often, but don't blindly trust every 'patch'

Posted by   Martijn Grooten on   Apr 16, 2018

Compromised websites are being used to serve fake Flash Player uploads that come with a malicious payload.

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Virus Bulletin at RSA

Posted by   Martijn Grooten on   Apr 13, 2018

Next week, VB Editor Martijn Grooten will be at the RSA Conference in San Francisco.

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Broad-ranging and international VB2018 programme announced

Posted by   Martijn Grooten on   Apr 11, 2018

VB is excited to reveal the details of an interesting and diverse programme for VB2018, the 28th Virus Bulletin International Conference, which takes place 3-5 October in Montreal, Canada.

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Netflix issue shows email verification really does matter

Posted by   Martijn Grooten on   Apr 10, 2018

A clever trick taking advantage of the fact that Gmail ignores dots in email addresses could be used to trick someone into paying for your Netflix subscription - demonstrating the importance of confirmed opt-in.

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VB2017 paper: Exploring the virtual worlds of advergaming

Posted by   Martijn Grooten on   Apr 10, 2018

At VB2017 in Madrid, Malwarebytes' Chris Boyd presented a paper in which he looked at various aspects of advergaming, from unreadable EULAs to fake programs that promise to block ads. Today, we publish both the paper and the recording of Chris's presentation.

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New paper: Distinguishing between malicious app collusion and benign app collaboration: a machine-learning approach

Posted by   Martijn Grooten on   Mar 27, 2018

Two or more mobile apps, viewed independently, may not appear to be malicious - but in combination, they could become harmful by exchanging information with one another and by performing malicious activities together. Today, we publish a new paper by a group of researchers affiliated with various UK universities and companies, which looks at how machine-learning methods can be used to detect app collusions.

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VB2016 paper: Wild Android collusions

Posted by   Martijn Grooten on   Mar 26, 2018

At VB2016 in Denver, Jorge Blasco presented a paper (co-written with Thomas M. Chen, Igor Muttik and Markus Roggenbach), in which he discussed the concept of app collusion - where two (or more) apps installed on the same device work together to collect and extract data from the device - and presented discoveries of colluding code in many in-the-wild apps. Today, we publish both the paper and the recording of Jorge's presentation.

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VB2017 paper: The life story of an IPT - Inept Persistent Threat actor

Posted by   Martijn Grooten on   Mar 19, 2018

At VB2017 in Madrid, Polish security researcher and journalist Adam Haertlé presented a paper about a very inept persistent threat. Today, we publish both the paper and the recording of Adam's presentation.

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Five reasons to submit a VB2018 paper this weekend

Posted by   Martijn Grooten on   Mar 16, 2018

The call for papers for VB2018 closes on 18 March, and while we've already received many great submissions, we still want more! Here are five reasons why you should submit a paper this weekend.

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First partners of VB2018 announced

Posted by   Martijn Grooten on   Mar 15, 2018

We are excited to announce the first six companies to partner with VB2018.

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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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