VB Blog

Throwback Thursday: Olympic Games

Posted by   Helen Martin on   Aug 2, 2016

In 1994, along with the Olympic Games came an Olympic virus, from a group of Swedish virus authors calling themselves ‘Immortal Riot’. We look back at Mikko Hyppönen's analysis in the VB archive.

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VB2016 call for last-minute papers opened, discounts announced

Posted by   Martijn Grooten on   Aug 1, 2016

Announcing the VB2016 call for last-minute papers and a number of discounts on the conference registration rate.

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Guest Blog: Malicious Scripts Gaining Prevalence in Brazil

Posted by   Virus Bulletin on   Jul 28, 2016

In the run up to VB2016, we invited the conference sponsors to write guest posts for our blog. In the second of this series, ESET's Matías Porolli writes about malicious Visual Basic and JavaScript gaining prevalence in Brazil.

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Romanian university website compromised to serve Neutrino exploit kit

Posted by   Martijn Grooten on   Jul 28, 2016

The website of the Carol Davila University of Medicine and Pharmacy has been compromised to inject a hidden iframe into the site's source code that serves the Neutrino exploit kit and may infect visitors with ransomware.

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It's 2016. Can we stop using MD5 in malware analyses?

Posted by   Martijn Grooten on   Jul 26, 2016

While there are no actually risks involved in using MD5s in malware analyses, it reinforces bad habits and we should all start using SHA-256 instead.

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Throwback Thursday: Holding the Bady

Posted by   Helen Martin on   Jul 21, 2016

In 2001, ‘Code Red’ caused White House administrators to change the IP address of the official White House website, and even penetrated Microsoft’s own IIS servers.

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Paper: The Journey of Evasion Enters Behavioural Phase

Posted by   Martijn Grooten on   Jul 20, 2016

A new paper by FireEye researcher Ankit Anubhav provides an overview of evasion techniques applied by recently discovered malware.

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Guest blog: Espionage toolkit uncovered targeting Central and Eastern Europe

Posted by   Virus Bulletin on   Jul 15, 2016

Recently, ESET researchers uncovered a new espionage toolkit targeting targeting Central and Eastern Europe. They provide some details in a guest post.

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Avast acquires AVG for $1.3bn

Posted by   Martijn Grooten on   Jul 8, 2016

Anti-virus vendor Avast has announced the acquisition of its rival AVG for 1.3 billion US dollars.

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Throwback Thursday: You Are the Weakest Link, Goodbye!

Posted by   Helen Martin on   Jul 7, 2016

Passwords have long been a weak point in the security chain, despite efforts to encourage users to pick strong ones. 13 years ago, Martin Overton wrote an article highlighting the weakness and explaining why it is the human element that presents the biggest risk to computer security - something that rings as true today as it did 13 years ago.

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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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