VB Blog

VB2014 paper: DMARC - how to use it to improve your email reputation

Posted by   Virus Bulletin on   Nov 6, 2014

Terry Zink presents case study in which he describes setting a DMARC policy for Microsoft.

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VB2014 Paper: Well, that escalated quickly. From penny-stealing malware to multi-million-dollar heists, a quick overview of the Bitcoin bonanza in the digital era

Posted by   Virus Bulletin on   Nov 4, 2014

Santiago Pontiroli takes us on a rollercoaster ride through cryptocurrency land.

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The VB2014 presentation you never saw. Early launch Android malware: your phone is 0wned

Posted by   Virus Bulletin on   Oct 31, 2014

Malicious apps may have more privileges than security software.

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CVE-2012-0158 continues to be used in targeted attacks

Posted by   Virus Bulletin on   Oct 31, 2014

30-month old vulnerability still a popular way to infect systems.

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Paper: Invading the core: iWorm's infection vector and persistence mechanism

Posted by   Virus Bulletin on   Oct 30, 2014

Malware spreads through infected torrent, then maintains persistence on the system.

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New IcoScript variant uses Gmail drafts for C&C communication

Posted by   Virus Bulletin on   Oct 29, 2014

Switch likely to make modular malware even stealthier.

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VB2014 paper: Hiding the network behind the network. Botnet proxy business model

Posted by   Virus Bulletin on   Oct 28, 2014

Cristina Vatamanu and her colleagues describe how botherders keep their C&C servers hidden.

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VB2014 paper: Methods of malware persistence on Mac OS X

Posted by   Virus Bulletin on   Oct 27, 2014

'KnockKnock' tool made available to the public.

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Tor exit node found to turn downloaded binaries into malware

Posted by   Virus Bulletin on   Oct 24, 2014

Tor provides anonymity, not security, hence using HTTPS is essential.

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VB2014 paper: Exposing Android white collar criminals

Posted by   Virus Bulletin on   Oct 22, 2014

Luis Corrons dives into the world of shady Android apps.

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Search blog

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/

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