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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Major pump-and-dump campaign floods inboxes

Heavy stock scam barrage ups spam levels 30%.
Heavy stock scam barrage ups spam levels 30%. A major PDF pump-and-dump campaign has been reported, with massive numbers of mails spammed out. According to spam watchers at Sophos,… https://www.virusbulletin.com/blog/2007/08/major-pump-and-dump-campaign-floods-inboxes/

FBI serves up Operation Bot Roast

Investigations identify more than 1 million victim IP addresses.
Investigations identify more than 1 million victim IP addresses. The FBI has announced the results of an ongoing initiative, dubbed 'Operation Bot Roast', which is aimed at… https://www.virusbulletin.com/blog/2007/06/fbi-serves-operation-bot-roast/

Botnet DoS no longer profitable

Extortion attacks fall as herders find easier money elsewhere.
Extortion attacks fall as herders find easier money elsewhere. The use of armies of botnets to carry out denial-of-service attacks on lucrative websites, as a method of extorting… https://www.virusbulletin.com/blog/2007/05/botnet-dos-no-longer-profitable/

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