VB Blog

FREAK attack takes HTTPS connections back to 1990s security

Posted by Virus Bulletin on Mar 4, 2015

Golden keys from the (first) crypto wars have come back to haunt us.

Posted by Virus Bulletin on Mar 2, 2015

Use of email authentication technique unlikely to bring any advantage.

Posted by Virus Bulletin on Mar 2, 2015

Dénes Óvári explains how to store code in lossily compressed JPEG data.

Posted by Virus Bulletin on Feb 27, 2015

Subject may make many feel uncomfortable, but it is essential that we know how to deal with it.

Posted by Virus Bulletin on Feb 27, 2015

Micky Pun and Neo Tan analyse the banking trojan that is best known for spreading through Skype.

Posted by Virus Bulletin on Feb 26, 2015

Malware remains present on infected machines; 2012 Virus Bulletin paper worth studying.

Posted by Virus Bulletin on Feb 26, 2015

As emails were sent to wrong servers, DNSSEC might be worth looking into.

Posted by Virus Bulletin on Feb 25, 2015

Each discovered vulnerability is actually a good news story.

Posted by Virus Bulletin on Feb 24, 2015

Users easily tricked, but plenty of opportunity for the malware to be blocked.

Posted by Virus Bulletin on Feb 20, 2015

Shared root certificate makes for easy man-in-the-middle attacks.

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Ebury and Mayhem server malware families still active

Ebury and Mayhem, two families of Linux server malware, about which VB published papers back in 2014, are still active and have received recent updates.
Whether it is to send spam or to redirect web traffic to malicious payloads, compromised (Linux) web servers are the glue in many a malware campaign. Two such networks of… https://www.virusbulletin.com/blog/2017/10/ebury-and-mayhem-server-malware-families-still-active/

Malicious CCleaner update points to a major weakness in our infrastructure

Researchers from Cisco Talos have found that a recent version of the widely used CCleaner tool installed malware on the machine.
For the security community, 2017 might well be called the year of the update: two of the biggest security stories – the WannaCry outbreak and the Equifax breach – involved… https://www.virusbulletin.com/blog/2017/09/malicious-ccleaner-update-points-major-weakness-our-infrastructure/

VB2014 preview: two papers on Linux server malware

Researchers from ESET, Yandex and Symantec look at emerging malware trend.
Researchers from ESET, Yandex and Symantec look at emerging malware trend.In the weeks running up to VB2014 (the 24th Virus Bulletin International Conference), we are looking at… https://www.virusbulletin.com/blog/2014/09/preview-two-papers-linux-server-malware/

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/

'Son of Stuxnet' trojan found

'Duqu' used in targeted attacks to steal specific information.
'Duqu' used in targeted attacks to steal specific information. Researchers at both Symantec and McAfee have discovered a new Remote Access Trojan (RAT) with strong links to Stuxnet… https://www.virusbulletin.com/blog/2011/10/son-stuxnet-trojan-found/

Fake codec trojan disables anti-virus software

Victim tricked into believing security software still active.
Victim tricked into believing security software still active. A new trojan, discovered by researchers at ESET, spreads itself via fake codecs, then disables running anti-virus… https://www.virusbulletin.com/blog/2011/08/fake-codec-trojan-disables-anti-virus-software/

Hundreds of legitimate websites being hacked into

New mass infection leaves security researchers puzzled.
New mass infection leaves security researchers puzzled. Web security company ScanSafe has reported a new mass infection of websites, which it claims accounts for 15% of the web… https://www.virusbulletin.com/blog/2008/01/hundreds-legitimate-websites-being-hacked/

VB Blog

FREAK attack takes HTTPS connections back to 1990s security

TorrentLocker spam has DMARC enabled

Paper: Script in a lossy stream

M3AAWG releases BCP document on dealing with child sexual abuse material

VB2014 paper: Caphaw - the advanced persistent pluginer

Coordinated action takes down Ramnit botnet infrastructure

Hacker group takes over Lenovo's DNS

Almost 50% increase in reported vulnerabilities as non-Windows operating systems lead the table

Vawtrak trojan spread through malicious Office macros

Lenovo laptops pre-installed with software that adds its own root CA certificate