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

Patch Tuesday released closely followed by emergency update

Bumper crop of patches plus further fix leave known holes open.
Bumper crop of patches plus further fix leave known holes open. This month's 'Patch Tuesday' security bulletin from Microsoft contained eight separate updates, two more than… https://www.virusbulletin.com/blog/2008/12/patch-tuesday-released-closely-followed-emergency-update/

Worm targets MS08-067 vulnerability

Exploit attack patches flaw once system penetrated.
Exploit attack patches flaw once system penetrated. A worm has been seen taking advantage of the vulnerability in Microsoft's Windows Server Service, patched out-of-cycle last… https://www.virusbulletin.com/blog/2008/12/worm-targets-ms08-067-vulnerability/

Microsoft to replace OneCare with free AV product

OneCare retirement announced, new product will be lighter on systems and pockets.
OneCare retirement announced, new product will be lighter on systems and pockets.Microsoft has announced plans to put an end to its home-user security product Live OneCare, and to… https://www.virusbulletin.com/blog/2008/11/microsoft-replace-onecare-free-av-product/

Two updates in Microsoft's November's patch release

Just two updates released by Microsoft this month: one rated critical, one important.
Just two updates released by Microsoft this month: one rated critical, one important.Microsoft has issued two updates in the November round of its monthly patch release cycle, one… https://www.virusbulletin.com/blog/2008/11/two-updates-microsoft-s-november-s-patch-release/

Microsoft issues emergency patch

Out-of-cycle update fixes serious, wormable flaw.
Out-of-cycle update fixes serious, wormable flaw.Microsoft has issued an emergency update to cover a serious vulnerability in the Windows Server service, breaking its usual monthly… https://www.virusbulletin.com/blog/2008/10/microsoft-issues-emergency-patch/

Four critical updates this Patch Tuesday

11 updates to be issued by Microsoft in October's monthly patch release: 4 critical.
11 updates to be issued by Microsoft in October's monthly patch release: 4 critical.Microsoft has prepared a total of 11 updates for the October round of its monthly patch release… https://www.virusbulletin.com/blog/2008/10/four-critical-updates-patch-tuesday/

Four critical updates in Patch Tuesday release

Monthly security update small but vital.
Monthly security update small but vital.Microsoft has released its monthly 'Patch Tuesday' batch of security updates, with only four items on the list but all of them marked… https://www.virusbulletin.com/blog/2008/09/four-critical-updates-patch-tuesday-release/

Patch Tuesday sees serious DNS flaws fixed

Nothing marked critical, but some very important patches issued.
Nothing marked critical, but some very important patches issued.Microsoft's latest 'Patch Tuesday' round of security updates for once contains no bulletins marked as 'critical',… https://www.virusbulletin.com/blog/2008/07/patch-tuesday-sees-serious-dns-flaws-fixed/

Microsoft releases latest Patch Tuesday fixes

7 vulnerabilities, 3 critical, addressed in June security update.
7 vulnerabilities, 3 critical, addressed in June security update.Microsoft has issued its monthly 'Patch Tuesday' set of security fixes, with seven separate areas covered of which… https://www.virusbulletin.com/blog/2008/06/microsoft-releases-latest-patch-tuesday-fixes/

Microsoft increases pressure on Apple to fix Safari blended threat

'Carpet bombing' vulnerability more serious than Apple claims, MS warns.
'Carpet bombing' vulnerability more serious than Apple claims, MS warns.Microsoft, whose Internet Explorer has come under frequent criticism for security vulnerabilities, has… https://www.virusbulletin.com/blog/2008/06/microsoft-increases-pressure-apple-fix-safari-blended-threat/

Latest Patch Tuesday update released

Microsoft announces five 'critical' vulnerabilities need fixing.
Microsoft announces five 'critical' vulnerabilities need fixing.Microsoft has issued its monthly 'Patch Tuesday' security bulletin, with five 'critical' and three 'important'… https://www.virusbulletin.com/blog/2008/04/latest-patch-tuesday-update-released/

Access flaw exploited via Word

Microsoft's employees hunting vulnerabilities instead of Easter eggs.
Microsoft's employees hunting vulnerabilities instead of Easter eggs. A buffer overrun vulnerability in Microsoft's Jet Database Engine, the underlying database behind Microsoft… https://www.virusbulletin.com/blog/2008/03/access-flaw-exploited-word/

Microsoft acquires Komoku

Anti-rootkit software to become part of Forefront and OneCare.
Anti-rootkit software to become part of Forefront and OneCare. Just before Easter, Microsoft announced it had acquired Komoku, a Maryland-based company that builds anti-rootkit… https://www.virusbulletin.com/blog/2008/03/microsoft-acquires-komoku/

Latest Patch Tuesday release

March's Patch Tuesday sees four 'critical' updates.
March's Patch Tuesday sees four 'critical' updates.Microsoft has released its monthly 'Patch Tuesday' security bulletin. This month the bulletin features four 'critical' updates,… https://www.virusbulletin.com/blog/2008/03/latest-patch-tuesday-release/

'Olympic' emails contain malicious XLS attachments

Malware writers sprint to use vulnerabilities before next Patch Tuesday.
Malware writers sprint to use vulnerabilities before next Patch Tuesday. Security researchers have reported seeing emails containing XLS attachments designed to exploit a yet… https://www.virusbulletin.com/blog/2008/03/olympic-emails-contain-malicious-xls-attachments/

IE8 to include malware filtering

New features list includes upgrade to security provision.
New features list includes upgrade to security provision. The next version of Microsoft's Internet Explorer web browser, IE8, could include malware detection as standard, in an… https://www.virusbulletin.com/blog/2008/03/ie8-include-malware-filtering/

Vista SP1 clashing with AV products

Service Pack causing issues for several security suites.
Service Pack causing issues for several security suites.Microsoft has released details of several software products that are known to have problems running in conjunction with… https://www.virusbulletin.com/blog/2008/02/vista-sp1-clashing-av-products/

Microsoft research revives 'friendly worm' ideas

Malware techniques proposed as update-spreading method.
Malware techniques proposed as update-spreading method. A group of Microsoft researchers have put forward proposals to use worm techniques to spread patches and updates across… https://www.virusbulletin.com/blog/2008/02/microsoft-research-revives-friendly-worm-ideas/

Bumper Patch Tuesday short of one patch

Excel remains vulnerable as expected fix is dropped.
Excel remains vulnerable as expected fix is dropped.Microsoft has issued its monthly 'Patch Tuesday' set of security updates, with a larger than usual crop of patches for a variety… https://www.virusbulletin.com/blog/2008/02/bumper-patch-tuesday-short-one-patch/

Live Mail CAPTCHA system bypassed

Spammers use botnet to register accounts on popular free webmail service.
Spammers use botnet to register accounts on popular free webmail service.Spammers have written a program that cracks the CAPTCHAS used by the Windows Live Mail registration system.… https://www.virusbulletin.com/blog/2008/02/live-mail-captcha-system-bypassed/

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