VB Blog

Paper: Beta exploit pack: one more piece of crimeware for the infection road!

Posted by Virus Bulletin on Jun 19, 2015

Exploit kit currently being tested focuses primarily on Flash Player exploits.

Posted by Virus Bulletin on Jun 18, 2015

This Throwback Thursday, we turn the clock back to 1999, when Melissa was causing havoc across the globe and VB presented a series of articles detailing all you ever wanted to know about macro viruses but were afraid to ask.

Posted by Virus Bulletin on Jun 17, 2015

Smaller, more informal format ideal for discussion and debate.

Posted by Virus Bulletin on Jun 11, 2015

This Throwback Thursday, we bring you a series of articles from the archives that looked at virus writers, asking 'who are they?', 'why do they do it?', and other pertinent questions.

Posted by Virus Bulletin on Jun 11, 2015

Option hides the servers, without having to include a Tor client in the malware.

Posted by Virus Bulletin on Jun 10, 2015

Advanced malware also targeted venues linked to Iranian nuclear negotiations.

Posted by Virus Bulletin on May 27, 2015

Infosecurity Europe, BSides London and the Security Bloggers Meetup.

Posted by Virus Bulletin on May 22, 2015

Kevin Williams looks back at UK law enforcement successes at combating cybercrime.

Posted by Virus Bulletin on May 21, 2015

This Throwback Thursday we reflect on the life of one of industry's greats, who sadly passed away this week: Prof. Klaus Brunnstein.

Posted by Virus Bulletin on May 20, 2015

'Logjam' attack possibly used by the NSA to decrypt VPN traffic.

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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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VB Blog

Paper: Beta exploit pack: one more piece of crimeware for the infection road!

Throwback Thursday: Macro Viruses & The Little Virus That Could...

Virus Bulletin announces 'Small Talks' for VB2015

Throwback Thursday: Virus Writers

Vawtrak uses Tor2Web to connect to Tor hidden C&C servers

Duqu 2.0 found to target security company

London calling!

Paper: On the beat

Throwback Thursday: Research and Other Hobbies

Weak keys and prime reuse make Diffie-Hellman implementations vulnerable