VB Blog

There is a place for unauthenticated key exchange, but don't tell anyone

Posted by Virus Bulletin on Nov 21, 2013

Making dragnet surveillance harder justifies using weak form of encryption.

Posted by Virus Bulletin on Nov 18, 2013

Malware demands $1,000 ransom to decrypt files.

Posted by Virus Bulletin on Nov 13, 2013

Untimely death of Peter Ször sends shockwaves across anti-malware community.

Posted by Virus Bulletin on Nov 7, 2013

Are we giving users the right kind of advice when it comes to password security?

Posted by Virus Bulletin on Nov 6, 2013

Bug bounty program extended; TIFF zero-day used in the wild.

Posted by Virus Bulletin on Nov 1, 2013

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

Posted by Virus Bulletin on Oct 28, 2013

Old issue has become hot topic again following Snowden revelations.

Posted by Virus Bulletin on Oct 25, 2013

Researchers initially believed Google warning was a false positive.

Posted by Virus Bulletin on Oct 21, 2013

Is Google making the Internet more or less secure by extending support for Chrome on XP?

Posted by Virus Bulletin on Oct 1, 2013

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

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More than two million home routers have 'wide open backdoor'

Default password makes vulnerability easy to exploit.
Default password makes vulnerability easy to exploit. Researchers at Trend Micro have discovered an easy-to-exploit backdoor in routers from Chinese manufacturer Netcore, that… https://www.virusbulletin.com/blog/2014/08/more-two-million-home-routers-have-wide-open-backdoor/

VB2014 preview: Duping the machine - malware strategies, post sandbox detection

James Wyke looks at four difference decoy methods.
James Wyke looks at four difference decoy methods.In the weeks running up to VB2014 (the 24th Virus Bulletin International Conference), we will look at some of the research that… https://www.virusbulletin.com/blog/2014/08/preview-duping-machine-malware-strategies-post-sandbox-detection/

Paper: Bird's nest

Raul Alvarez studies the Neshta prepending file infector.
Raul Alvarez studies the Neshta prepending file infector. File infectors can be categorized by how they attach themselves to the host file. A cavity virus attaches itself to the… https://www.virusbulletin.com/blog/2014/08/paper-bird-s-nest/

VB2014 preview: Labelling spam through the analysis of protocol patterns

Andrei Husanu and Alexandru Trifan look at what TCP packet sizes can teach us.
Andrei Husanu and Alexandru Trifan look at what TCP packet sizes can teach us.In the weeks running up to VB2014 (the 24th Virus Bulletin International Conference), we will look at… https://www.virusbulletin.com/blog/2014/08/preview-labelling-spam-through-analysis-protocol-patterns/

VB2014 preview: Optimized mal-ops. Hack the ad network like a boss

Researchers Vadim Kotov and Rahul Kashyap to discuss how advertisements are the new exploit kits.
Researchers Vadim Kotov and Rahul Kashyap to discuss how advertisements are the new exploit kits.In the weeks running up to VB2014 (the 24th Virus Bulletin International… https://www.virusbulletin.com/blog/2014/08/preview-optimized-mal-ops-hack-ad-network-boss/

Guest blog: Cyber insurance, is it for you?

Sorin Mustaca looks at how companies trading online can insure the risks they run.
Sorin Mustaca looks at how companies trading online can insure the risks they run.Throughout its 25 year history, Virus Bulletin has regularly published technical analyses of the… https://www.virusbulletin.com/blog/2014/08/guest-blog-cyber-insurance-it-you/

Google to take tough stance on homoglyph attacks

Good idea, but unlikely to have a huge impact.
Good idea, but unlikely to have a huge impact. Ever since internationalized domain names (IDNs) were introduced in the last decade, allowing people to use non-ASCII characters in… https://www.virusbulletin.com/blog/2014/08/google-take-tough-stance-homoglyph-attacks/

VB2014 preview: P0wned by a barcode

Fabio Assolini to speak about malware targeting boletos.
Fabio Assolini to speak about malware targeting boletos.In the weeks running up to VB2014, we will look at some of the research that will be presented at the conference. In the… https://www.virusbulletin.com/blog/2014/08/preview-p0wned-barcode/

Paper: Inside the iOS/AdThief malware

75,000 jailbroken iOS devices infected with malware that steals ad revenues.
75,000 jailbroken iOS devices infected with malware that steals ad revenues. Believing that the device or operating system you use reduces your chance of being affected by malware… https://www.virusbulletin.com/blog/2014/08/paper-inside-ios-adthief-malware/

$83k in bitcoins 'stolen' through BGP hijack

Short-lived network changes used to make miners connect to rogue pool.
Short-lived network changes used to make miners connect to rogue pool. Researchers at Dell SecureWorks have discovered an operation that used BGP hijacking to force bitcoin miners… https://www.virusbulletin.com/blog/2014/08/83k-bitcoins-stolen-through-bgp-hijack/

Report: 15 solutions achieve VBSpam award

Despite short spike, image spam no problem for spam filters.
Despite short spike, image spam no problem for spam filters. Good news for those who need to run a spam filter (in other words: everyone who runs a mail server). For the second… https://www.virusbulletin.com/blog/2014/08/report-15-solutions-achieve-vbspam-award/

Researchers release CryptoLocker decryption tool

Tool uses private keys found in database of victims.
Tool uses private keys found in database of victims.Please note: this blog post was written in August 2014 and refers to a particular kind of encryption-ransomware that was active… https://www.virusbulletin.com/blog/2014/08/researchers-release-cryptolocker-decryption-tool/

Paper: IcoScript: using webmail to control malware

RAT gets instructions from Yahoo Mail address.
RAT gets instructions from Yahoo Mail address. One of the big challenges for malicious actors in operating a RAT (remote administration tool) is how to control the malware and… https://www.virusbulletin.com/blog/2014/08/paper-icoscript-using-webmail-control-malware/

August

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2014/08/

Paper: Learning about Bflient through sample analysis

Flexible module-handling mechanism allows malware to adjust functionalities at will.
Flexible module-handling mechanism allows malware to adjust functionalities at will. The history of the 'Bflient' worm goes back to the discovery of its first variants in June… https://www.virusbulletin.com/blog/2014/07/paper-learning-about-bflient-through-sample-analysis/

Report: VB100 comparative review on Windows 7

29 out of 35 tested products earn VB100 award.
29 out of 35 tested products earn VB100 award. The various changes at Virus Bulletin mean that things are busier than ever in our office. Still, behind the scenes we continue to… https://www.virusbulletin.com/blog/2014/07/report-comparative-review-windows-7/

Call for last-minute papers for VB2014 announced

Seven speaking slots waiting to be filled with presentations on 'hot' security topics.
Seven speaking slots waiting to be filled with presentations on 'hot' security topics. Earlier this year, we announced the programme for VB2014: three days filled with excellent… https://www.virusbulletin.com/blog/2014/07/call-last-minute-papers-announced/

Paper: Mayhem - a hidden threat for *nix web servers

New kind of malware has the functions of a traditional Windows bot, but can act under restricted privileges in the system.
New kind of malware has the functions of a traditional Windows bot, but can act under restricted privileges in the system. One of the main trends in malware in recent years is a… https://www.virusbulletin.com/blog/2014/07/paper-mayhem-hidden-threat-nix-web-servers/

Google's Project Zero to hunt for zero-days

Bugs to be reported to the vendor only, and to become public once patched.
Bugs to be reported to the vendor only, and to become public once patched.Google has created a new team, called Project Zero, whose task is to find vulnerabilities in any kind of… https://www.virusbulletin.com/blog/2014/07/google-s-project-zero-hunt-zero-days/

Paper: API-EPO

Raul Alvarez studies the unique EPO methodology used by the W32/Daum file infector.
Raul Alvarez studies the unique EPO methodology used by the W32/Daum file infector. A few months ago, we published an article by Fortinet's Raul Alvarez on the Expiro file… https://www.virusbulletin.com/blog/2014/07/paper-api-epo/

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