VB Blog

Subtle change could see a reduction in installation of malicious Chrome extensions

Posted by   Martijn Grooten on   Jun 13, 2018

Google has made a subtle change to its Chrome browser, banning the inline installation of new extensions, thus making it harder for malware authors to trick users into unwittingly installing malicious extensions.

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Paper: EternalBlue: a prominent threat actor of 2017–2018

Posted by   Martijn Grooten on   Jun 11, 2018

We publish a paper by researchers from Quick Heal Security Labs in India, who study the EternalBlue and DoublePulsar exploits in full detail.

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'North Korea' a hot subject among VB2018 talks

Posted by   Virus Bulletin on   Jun 1, 2018

Several VB2018 papers deal explicitly or implicitly with threats that have been attributed to North Korean actors.

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Expired domain led to SpamCannibal's blacklist eating the whole world

Posted by   Martijn Grooten on   May 31, 2018

The domain of the little-used SpamCannibal DNS blacklist had expired, resulting in it effectively listing every single IP address.

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MnuBot banking trojan communicates via SQL server

Posted by   Martijn Grooten on   May 30, 2018

Researchers at IBM X-Force have discovered MnuBot, a banking trojan targeting users in Brazil, which is noteworthy for using SQL Server for command and control communication.

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Throwback Thursday: Giving the EICAR test file some teeth

Posted by   Martijn Grooten on   May 24, 2018

The 68-byte EICAR test file plays as important a role today as it did 19 years ago. In this week's Throwback Thursday we look back at a VB99 conference paper in which Randy Abrams described how this 'miracle tool' worked and how it could be used.

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XMRig used in new macOS cryptominer

Posted by   Martijn Grooten on   May 23, 2018

A new piece of cryptocurrency-mining malware on macOS has been found to use the popular XMRig miner.

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Tendency for DDoS attacks to become less volumetric fits in a wider trend

Posted by   Martijn Grooten on   May 22, 2018

CDN provider Cloudflare reports an increase in DDoS attacks targeting layer 7 and focusing on exhausting server resources rather than sending large volumes of data. This fits in a wider trend.

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Turkish Twitter users targeted with mobile FinFisher spyware

Posted by   Martijn Grooten on   May 15, 2018

Through fake social media accounts, users were tricked into installing an Android application that was actually a mobile version of the FinFisher spyware.

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Hide'n'Seek IoT botnet adds persistence

Posted by   Martijn Grooten on   May 9, 2018

The Hide'n'Seek IoT botnet has received an update to make its infection persist on infected devices beyond a restart.

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January

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2012/01/

Spammers using Google open redirect

Vulnerability 'not worthy of bug bounty program'.
Vulnerability 'not worthy of bug bounty program'. Researchers at Solera Labs have discovered spammers using an open redirect at Google to hide the final destination of their link… https://www.virusbulletin.com/blog/2011/12/spammers-using-google-open-redirect/

'Nitro attacks' continue

PoisonIvy trojan sent attached to email warning about the same trojan.
PoisonIvy trojan sent attached to email warning about the same trojan. Researchers at Symantec report that the 'Nitro attacks', which target a number of large companies, many of… https://www.virusbulletin.com/blog/2011/12/nitro-attacks-continue/

Compromised websites used to mine bitcoins

In-the-browser botnet turns victims' CPU cycles into cash for the attackers.
In-the-browser botnet turns victims' CPU cycles into cash for the attackers. Researchers have discovered a compromised website where a piece of JavaScript has been included that is… https://www.virusbulletin.com/blog/2011/12/compromised-websites-used-mine-bitcoins/

December issue of VB published

The December issue of Virus Bulletin is now available for subscribers to download.
The December issue of Virus Bulletin is now available for subscribers to download. The December 2011 issue of Virus Bulletin is now available for subscribers to browse online or… https://www.virusbulletin.com/blog/2011/12/december-issue-vb-published/

December

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2011/12/

Recently discovered Java vulnerability being added to exploit kit

Kit 'patched' to include latest exploit; users urged to patch their software too.
Kit 'patched' to include latest exploit; users urged to patch their software too. Security researcher and journalist Brian Krebs has found evidence that a recently discovered… https://www.virusbulletin.com/blog/2011/11/recently-discovered-java-vulnerability-being-added-exploit-kit/

SMS trojan targets Android users in eight western countries

Will another piece of mobile malware convince Google manager of the seriousness of the threat?
Will another piece of mobile malware convince Google manager of the seriousness of the threat? Researchers at Kaspersky have discovered an SMS trojan for Android phones that… https://www.virusbulletin.com/blog/2011/11/sms-trojan-targets-android-users-eight-western-countries/

Latest VBSpam certification results published

Latest VBSpam results published - full report now also available.
Latest VBSpam results published - full report now also available. The results of the November VBSpam comparative review have been announced, with more distinction showing between… https://www.virusbulletin.com/blog/2011/11/latest-vbspam-certification-results-published/

IETF expedites publication of RFC describing feedback loop recommendations

Document fast-tracked to be published shortly before the sad passing of its author J.D. Falk.
Document fast-tracked to be published shortly before the sad passing of its author J.D. Falk. The Internet Engineering Task Force (IETF) has published an RFC detailing current… https://www.virusbulletin.com/blog/2011/11/ietf-expedites-publication-rfc-describing-feedback-loop-recommendations/

South Korea to ask ISPs to block port 25 traffic

Experts sceptical about long-term effects on spam levels.
Experts sceptical about long-term effects on spam levels. South Korea intends to require ISPs to block all outbound traffic on port 25 from anything but the "official" mail… https://www.virusbulletin.com/blog/2011/11/south-korea-ask-isps-block-port-25-traffic/

Most free Android anti-virus 'useless', find testers

AV-Test comparative sees minimal value in free mobile protection.
AV-Test comparative sees minimal value in free mobile protection. In a comparative test run by independent anti-malware testing specialist AV-Test.org, the majority of free Android… https://www.virusbulletin.com/blog/2011/11/most-free-android-anti-virus-useless-find-testers/

'Largest takedown ever' sees six arrested

Millions made through 'DNSChanger' malware.
Millions made through 'DNSChanger' malware. Six Estonian nationals have been arrested for taking part in a cybercrime ring that made money through DNS-changing malware that had… https://www.virusbulletin.com/blog/2011/11/largest-takedown-ever-sees-six-arrested/

Significant rise in Chinese phishing sites

Phishers shown to care little about domain names.
Phishers shown to care little about domain names. In its latest 'Global Phishing Survey', the Anti-Phishing Working Group (APWG) reports a significant increase in phishing sites… https://www.virusbulletin.com/blog/2011/11/significant-rise-chinese-phishing-sites/

Support scammers up their game

Websites and Facebook accounts created to make callers appear more legitimate.
Websites and Facebook accounts created to make callers appear more legitimate. 'Support call scammers' have started to use professional-looking websites and social media accounts… https://www.virusbulletin.com/blog/2011/11/support-scammers-their-game/

DNS poisoning attack targeting Brazilian customers

ISP employee suspected of changing DNS cache.
ISP employee suspected of changing DNS cache. Millions of Internet users in Brazil may have been exposed to malware after the DNS caches of their ISPs were modified to redirect… https://www.virusbulletin.com/blog/2011/11/dns-poisoning-attack-targeting-brazilian-customers/

November issue of VB published

The November issue of Virus Bulletin is now available for subscribers to download.
The November issue of Virus Bulletin is now available for subscribers to download. The November 2011 issue of Virus Bulletin is now available for subscribers to browse online or… https://www.virusbulletin.com/blog/2011/11/november-issue-vb-published/

November

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2011/11/

'Meta-phish' uses attached form to evade web filters

Landing page contains clear warning.
Landing page contains clear warning. A phishing email targeting Austrian credit card users evades web filters by using an attached HTML form, but thankfully the landing page on the… https://www.virusbulletin.com/blog/2011/10/meta-phish-uses-attached-form-evade-web-filters/

'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/

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