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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Search blog

PDF trojan exploits Adobe flaw

Reader/Acrobat vulnerability targeted day after patch release.
Reader/Acrobat vulnerability targeted day after patch release. A vulnerability in Adobe's popular PDF-viewing software Adobe Reader and editing suite Acrobat, first reported a… https://www.virusbulletin.com/blog/2007/10/pdf-trojan-exploits-adobe-flaw/

Storm attack strikes back

Cute kitten cards cover latest wave of malware.
Cute kitten cards cover latest wave of malware. The Storm attack has returned with yet another wave of blended attacks, with links to the drive-by download sites of the initial… https://www.virusbulletin.com/blog/2007/10/storm-attack-strikes-back/

St. Petersburg US Consulate website hacked

Malware served by official government site.
Malware served by official government site. Web-watchers at Sophos have reported spotting malware hosted on the website of the US Consulate in St. Petersburg, using obfuscated… https://www.virusbulletin.com/blog/2007/09/st-petersburg-us-consulate-website-hacked/

Yahoo!-owned ad firm serves up trojans

Infectious flash adverts displayed on major sites.
Infectious flash adverts displayed on major sites. Advertising supplied by ad firm Right Media, a company bought out by web giant Yahoo! earlier this year after an initial… https://www.virusbulletin.com/blog/2007/09/yahoo-owned-ad-firm-serves-trojans/

Storm DDoS hits anti-scam sites

419 fighters attacked - NFL and TOR latest spam hooks.
419 fighters attacked - NFL and TOR latest spam hooks. The massive botnet amassed by the 'Storm' (Zhelatin/Nuwar/Dorf/etc.) attack continues to target new victims, with the TOR… https://www.virusbulletin.com/blog/2007/09/storm-ddos-hits-anti-scam-sites/

YouTube latest Storm hook

Fake video links aim to pull in yet more victims.
Fake video links aim to pull in yet more victims. The never-ending stream of 'Storm' attacks continued over the weekend with a new tactic - the latest spammed email campaign… https://www.virusbulletin.com/blog/2007/08/youtube-latest-storm-hook/

AVK tops latest AV-Test charts

Top four beat 99% in large collection scan.
Top four beat 99% in large collection scan. Testers at AV-Test.org have run 29 products over a massive collection of malware samples, with detection rates measured against 874,822… https://www.virusbulletin.com/blog/2007/08/avk-tops-latest-av-test-charts/

Latest Storm barrage offers site memberships

New tactic provides logins to special-interest sites.
New tactic provides logins to special-interest sites. The 'Storm' attack has changed tactic yet again, with the latest set of spams providing login details to a wide selection of… https://www.virusbulletin.com/blog/2007/08/latest-storm-barrage-offers-site-memberships/

Monster haul of data reaped from job site

Trojan gathers 1.6 million sets of jobseeker records.
Trojan gathers 1.6 million sets of jobseeker records. Researchers at Symantec have reported discovering a server carrying 1.6 million entries from the popular jobseeking website… https://www.virusbulletin.com/blog/2007/08/monster-haul-data-reaped-job-site/

Storm e-card malware keeps on coming

No end to flood of fake friendly greetings.
No end to flood of fake friendly greetings. A further wave of e-cards carrying links to 'Storm' malware (various labelled Nuwar, Peacomm, Dorf, Zhelatin) has been hitting inboxes… https://www.virusbulletin.com/blog/2007/08/storm-e-card-malware-keeps-coming/

Worries of Storm forming massive botnet

DDoS danger looms as infection levels boom.
DDoS danger looms as infection levels boom. Repeated waves of the 'Storm' trojan attacks continue to be spammed out, with the latest using more eCards to hook in still more… https://www.virusbulletin.com/blog/2007/08/worries-storm-forming-massive-botnet/

Trojans and worms hiding behind games

Mario latest lure to hook victims on malware.
Mario latest lure to hook victims on malware. Social engineering techniques used to trick computer users into running malicious code on their systems concentrate around simple… https://www.virusbulletin.com/blog/2007/08/trojans-and-worms-hiding-behind-games/

Ransomware returns

Trojan hides personal data, demands money with menaces.
Trojan hides personal data, demands money with menaces. A new version of a ransomware trojan has been sighted, recalling the warnings of two years ago when similar items first… https://www.virusbulletin.com/blog/2007/07/ransomware-returns/

Trojan using webmail to send spam

Captcha systems possibly cracked to automate account creation.
Captcha systems possibly cracked to automate account creation.BitDefender has reported a new trojan attempting to bypass security measures on leading webmail systems Hotmail and… https://www.virusbulletin.com/blog/2007/07/trojan-using-webmail-send-spam/

Fourth of July targeted by trojan spam

Celebration card emails carry links to malware.
Celebration card emails carry links to malware. A further wave of greetings-card spam has been widely seeded, in the wake of considerable Storm Worm activity in the last week, with… https://www.virusbulletin.com/blog/2007/07/fourth-july-targeted-trojan-spam/

Fake updates and phony postcards carry malware

Microsoft patch and greetings card spams bring more trojans.
Microsoft patch and greetings card spams bring more trojans. Several spam runs posing as vulnerability alerts from Microsoft have been spotted in the last week, with links to… https://www.virusbulletin.com/blog/2007/07/fake-updates-and-phony-postcards-carry-malware/

NOD32 alerts on suspect adverts

False positive reveals sneaky techniques used in ads.
False positive reveals sneaky techniques used in ads.ESET's NOD32 product was updated several times in close succession over the weekend, as false positives were introduced… https://www.virusbulletin.com/blog/2007/07/nod32-alerts-suspect-adverts/

1.4 million Chinese infected over holiday week

May vacations bring trojan avalanche for gamers and filesharers.
May vacations bring trojan avalanche for gamers and filesharers. Chinese computers, in heavy use with many people off work for the Labour Day holiday week, have suffered a major… https://www.virusbulletin.com/blog/2007/05/1-4-million-chinese-infected-over-holiday-week/

Phishing moves into more new areas

Surveys, phone lines, USB sticks and call girls the latest tactics for spammers and phishers.
Surveys, phone lines, USB sticks and call girls the latest tactics for spammers and phishers. The latest social-engineering methods being put to use by phishers show no let up in… https://www.virusbulletin.com/blog/2007/05/phishing-moves-more-new-areas/

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