VB Blog

Malicious CCleaner update points to a major weakness in our infrastructure

Posted by Martijn Grooten on Sep 18, 2017

Researchers from Cisco Talos have found that a recent version of the widely used CCleaner tool installed malware on the machine.

Posted by Virus Bulletin on Sep 15, 2017

Though ransomware is far more profitable than using a compromised PC to mine bitcoins, the global distribution of malware means that there are many botnets for which mining is the most efficient way to extract money out of a PC.

Posted by Martijn Grooten on Sep 14, 2017

We preview the VB2017 paper by Julia Karpin and Anna Dorfman (F5 networks), in which they present a tool to decrypt encrypted parts of malware.

Posted by Martijn Grooten on Sep 13, 2017

We preview the VB2017 paper by Marco Romagna and Niek Jan van den Hout (The Hague University of Applied Sciences), in which they thoroughly analyse the motivations and modus operandy of hacktivists.

Posted by Martijn Grooten on Sep 13, 2017

Proof-of-concepts for bypasses of security products always sound scary, but how seriously should we take them? VB Editor Martijn Grooten lists three questions one should ask about any such bypass to determine how serious a threat it represents.

Posted by Martijn Grooten on Sep 12, 2017

Today, we announce two more 'Small Talks' for the VB2017 programme. In one of them, Neil Schwarzman will discuss the consequences of the GDPR for WHOIS and abuse research, while the other will be hosted by three members of EICAR, who will discuss its work on a trustworthiness strategy and minimum standard.

Posted by Martijn Grooten on Sep 11, 2017

From attacks on Ukraine's power grid to web shells, and from car hacking to ransomware: we announce the first nine 'last-minute' papers on the VB2017 programme.

Posted by Martijn Grooten on Sep 5, 2017

A lot of vulnerabilities that are discovered are never exploited in the wild. It is still important to patch them though.

Posted by Martijn Grooten on Sep 4, 2017

A security researcher found more than 700 million email addresses stored on a server used by a spam botnet, which gives us some insight into what the email lists used by spammers look like.

Posted by Martijn Grooten on Sep 4, 2017

We preview the VB2017 presentation by Tyrus Kamau (Euclid Security), who will talk about the state of cybersecurity in Africa, with a particular focus on his home country, Kenya.

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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/

Paper: Not old enough to be forgotten: the new chic of Visual Basic 6

Marion Marschalek looks at two Miuref binaries: one packed with Visual Basic 6 and one with C++.
Marion Marschalek looks at two Miuref binaries: one packed with Visual Basic 6 and one with C++. Two months ago, Microsoft announced it had added 'Miuref' to its Malicious Software… https://www.virusbulletin.com/blog/2014/07/paper-not-old-enough-be-forgotten-new-chic-visual-basic-6/

Paper: VBA is not dead!

Gabor Szappanos looks at the resurgence of malicious VBA macros that use social engineering to activate.
Gabor Szappanos looks at the resurgence of malicious VBA macros that use social engineering to activate.Macro malware had long been assumed dead. After all, macros are disabled by… https://www.virusbulletin.com/blog/2014/07/paper-vba-not-dead/

'Cyber attack on hedge fund' turns out to be internal 'scenario' used by BAE Systems

Story that appeared to be taken from fiction turns out... to have been fiction.
Story that appeared to be taken from fiction turns out... to have been fiction. Two weeks after BAE Systems reported its technicians had thwarted an attack against hedge fund… https://www.virusbulletin.com/blog/2014/07/cyber-attack-hedge-fund-turns-out-be-internal-scenario-used-bae-systems/

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