VB Blog

Updated botnet likely cause of surge in Tor traffic

Posted by   Virus Bulletin on   Sep 5, 2013

New Tor version should help the network deal with increased traffic.

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Malware spoofing HTTP Host header to hide C&C communication

Posted by   Virus Bulletin on   Sep 4, 2013

Traffic appears as requests to Google or Yandex.

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Phone support scams: an old scam with some new tricks

Posted by   Virus Bulletin on   Sep 2, 2013

Files in Prefetch directory supposedly show malware infections.

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September issue of VB published

Posted by   Virus Bulletin on   Sep 1, 2013

The September issue of Virus Bulletin is now available for subscribers to download.

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VB2013 speaker spotlight

Posted by   Virus Bulletin on   Aug 30, 2013

We speak to Joe Blackbird and Bill Pfeifer about how anti-malware protection states affect infection rates.

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Kelihos checks machines' IP addresses against DNS blacklists

Posted by   Virus Bulletin on   Aug 29, 2013

Role of node in a botnet dependent on whether the IP address is blacklisted.

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New email header attempts to prevent damage of reissued email addresses

Posted by   Virus Bulletin on   Aug 27, 2013

Transactional emails not delivered if the account's owner has changed in the meantime.

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VB2013 speaker spotlight

Posted by   Virus Bulletin on   Aug 23, 2013

We speak to Gunter Ollmann about the growing need to assess corporate security defences from a hacker's perspective.

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VB2013 speaker spotlight

Posted by   Virus Bulletin on   Aug 16, 2013

We speak to Roman Unuchek about malicious redirection of mobile users, his research interests, and what he aims to bring to VB2013.

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DNSSEC glitch causes .gov sites to become inaccessible

Posted by   Virus Bulletin on   Aug 15, 2013

Name servers unable to distinguish faulty from rogue responses.

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Search blog

Latest VBSpam test results show drop in spam catch rates again

Downward trend in performance continues.
Downward trend in performance continues. In the latest VBSpam comparative test of anti-spam products, 21 anti-spam solutions achieved a VBSpam award, but for the majority of… https://www.virusbulletin.com/blog/2012/07/latest-vbspam-test-results-show-drop-spam-catch-rates-again/

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/

Grum botnet's command-and-control servers shut down

Spam-sending botnet believed to be third largest in the world.
Spam-sending botnet believed to be third largest in the world. International co-operation between a number of parties has led to all command-and-control servers of the 'Grum'… https://www.virusbulletin.com/blog/2012/07/grum-botnet-s-command-and-control-servers-shut-down/

Thousands of websites infected with .htaccess redirect attack

Various anti-detection methods applied.
Various anti-detection methods applied. Thousands of legitimate websites have seen .htaccess files compromised and as a consequence have been used to serve the 'Milisenco' trojan,… https://www.virusbulletin.com/blog/2012/07/thousands-websites-infected-htaccess-redirect-attack/

July issue of VB published

The July issue of Virus Bulletin is now available for subscribers to download.
The July issue of Virus Bulletin is now available for subscribers to download. The July 2012 issue of Virus Bulletin is now available for subscribers to browse online or download… https://www.virusbulletin.com/blog/2012/07/july-issue-vb-published/

July

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2012/07/

VBConnect: the Virus Bulletin conference goes social

New tool aims to enhance conference networking opportunities.
New tool aims to enhance conference networking opportunities. For many in the security industry, the Virus Bulletin conference is the highlight of their busy events calendar, and… https://www.virusbulletin.com/blog/2012/06/vbconnect-conference-goes-social/

June issue of VB published

The June issue of Virus Bulletin is now available for subscribers to download.
The June issue of Virus Bulletin is now available for subscribers to download. The June 2012 issue of Virus Bulletin is now available for subscribers to browse online or download… https://www.virusbulletin.com/blog/2012/06/june-issue-vb-published/

June

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2012/06/

Flame worm one of the most complex threats ever discovered

Malware possibly used for cyber-espionage.
Malware possibly used for cyber-espionage. The jury is out on whether 'Flame' (also known as 'Flamer' or 'Skywiper') is 'the most lethal cyberweapon to date' as some have claimed,… https://www.virusbulletin.com/blog/2012/05/flame-worm-one-most-complex-threats-ever-discovered/

Microsoft to publish security bulletins in CVRF format

Standard will streamline process of reviewing patches.
Standard will streamline process of reviewing patches. Software giant Microsoft has announced that it has started to publish its monthly security bulletins in the CVRF format.… https://www.virusbulletin.com/blog/2012/05/microsoft-publish-security-bulletins-cvrf-format/

FBI warns against malware installed via hotel networks

Malware poses as fake update of popular software.
Malware poses as fake update of popular software. The FBI has warned travellers against fake software updates served through hotel connections which actually attempt to install… https://www.virusbulletin.com/blog/2012/05/fbi-warns-against-malware-installed-hotel-networks/

Android malware served via compromised websites

Malware downloaded automatically, but requires user permission to be installed.
Malware downloaded automatically, but requires user permission to be installed. Researchers at mobile security company Lookout have discovered a number of compromised websites that… https://www.virusbulletin.com/blog/2012/05/android-malware-served-compromised-websites/

PayPal spam leads to exploit kit

Clicking on links leads to Blackhole rather than phishing site.
Clicking on links leads to Blackhole rather than phishing site. Fake PayPal receipts were being spammed out this morning, with links leading to a version of the Blackhole exploit… https://www.virusbulletin.com/blog/2012/05/paypal-spam-leads-exploit-kit/

May

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2012/05/

May issue of VB published

The May issue of Virus Bulletin is now available for subscribers to download.
The May issue of Virus Bulletin is now available for subscribers to download. The May 2012 issue of Virus Bulletin is now available for subscribers to browse online or download… https://www.virusbulletin.com/blog/2012/05/may-issue-vb-published/

Significant rise in malicious spam and phishing

Over one quarter of malicious emails contain eight-year-old malware.
Over one quarter of malicious emails contain eight-year-old malware. Email security firm eleven has reported a significant rise in both malicious emails and phishing emails in the… https://www.virusbulletin.com/blog/2012/04/significant-rise-malicious-spam-and-phishing/

Researchers find many popular sites serving drive-by downloads

10 million people exposed to malware served by 25,000 most visited sites alone.
10 million people exposed to malware served by 25,000 most visited sites alone. Researchers at Barracuda Labs have found that 58 among the 25,000 most popular websites were serving… https://www.virusbulletin.com/blog/2012/04/researchers-find-many-popular-sites-serving-drive-downloads/

Android malware hides inside JPG image

New LeNa variant no longer depends on rooted devices.
New LeNa variant no longer depends on rooted devices. Researchers at Lookout have discovered a new version of the 'LeNa' trojan for Android that does not require user interaction… https://www.virusbulletin.com/blog/2012/04/android-malware-hides-inside-jpg-image/

April issue of VB published

The April issue of Virus Bulletin is now available for subscribers to download.
The April issue of Virus Bulletin is now available for subscribers to download. The April 2012 issue of Virus Bulletin is now available for subscribers to browse online or… https://www.virusbulletin.com/blog/2012/04/april-issue-vb-published/

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