CVE‑2014‑4114: Details on August BlackEnergy PowerPoint Campaigns
In this post we provide additional information on how a specially crafted PowerPoint slideshow file (.PPSX) led to the execution of a BlackEnergy dropper.
Research
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Bootkits, Windigo, and Virus Bulletin
ESET research on Operation Windigo received an award at Virus Bulletin 2014. Our research on bootkits was also well received, and is now available publicly.
How to fix Shellshock Bash on Mac OS X: Mavericks edition
Apple Mac OS X users concerned about the Bash vulnerability dubbed Shellshock got some relief late yesterday as Apple published fixes for various versions of OS X. But if you use Mavericks you will need to install 10.9.5 before the Bash fix will work.
How to resolve Shellshock on Mac OS X, web servers and more
The "Bash Bug" or "Shellshock" vulnerability means a wide range of devices, servers and computers, including Mac OS X, will need to be patched to prevent abuse by malicious persons. Here's advice about what to do and links to more in-depth resources.
Back in BlackEnergy *: 2014 Targeted Attacks in Ukraine and Poland
State organizations and private businesses from various sectors in Ukraine and Poland have been targeted with new versions of BlackEnergy, a malware that's evolved into a sophisticated threat with a modular architecture.
Virus Bulletin presentations update
Updated information on ESET presentations at Virus Bulletin 2014.
Virus Bulletin, AVAR conferences: a tasty Conference Pair*
Autumn: the season of mists and mellow fruitfulness, not to mention a couple of excellent security conferences. Virus Bulletin and AVAR make a very tasty Conference Pair.
TorrentLocker now targets UK with Royal Mail phishing
Three weeks ago, iSIGHT Partners discovered a new Ransomware encrypting victims’ documents. They dubbed this new threat TorrentLocker. TorrentLocker propagates via spam messages containing a link to a phishing page where the user is asked to download and execute “package tracking information”. In August, only Australians were targeted with fake Australian Post package-tracking page. While
Win32/Aibatook: Banking Trojan Spreading Through Japanese Adult Websites
Win32/Aibatook targets Japanese bank customers with an unusual Internet Explorer monitoring technique. We believe the malware has been in development for months - and is now ready for take-off.
Targeted attack against Vietnamese government: right on the MONRE
ESET researchers recently came across a targeted attack against the Vietnamese government's Ministry of Natural Resources and Environment (MONRE).
ESET Analyzes Simplocker – First Android File‑Encrypting, TOR‑enabled Ransomware
Last weekend saw the (somewhat anticipated) discovery of an interesting mobile trojan – the first spotting of a file-encrypting ransomware for Android by our detection engineers.
Virus Bulletin review: 2 eBooks offering security guidance
An article for Virus Bulletin by David Harley reviews two eBooks offering security advice to consumers.
Facebook Webinject Leads to iBanking Mobile Bot
iBanking is a malicious Android application that when installed on a mobile phone is able to spy on its user’s communications. This bot has many interesting phone-specific capabilities, including capturing incoming and outgoing SMS messages, redirecting incoming voice calls, and even capturing audio using the device’s microphone.
Heartbleed claims British mums and Canadian tax payers as victims
The critical security vulnerability in OpenSSL known commonly as “Heartbleed” continues to raise alarms, with websites now warning that hackers have breached their systems by exploiting the bug, and stolen personal information about users.
Windigo not Windigone: Linux/Ebury updated
There have been some interesting new developments since we published our report on Operation Windigo. In this blog post you will read about a Linux/Ebury update, and the reaction of the criminal gang to our post.
Win32/Sality newest component: a router’s primary DNS changer named Win32/RBrute
DNS hijacking is still going strong and the Win32/Sality operators have added this technique to their long-lasting botnet. This blog post describes how the malware guesses router passwords as part of its campaign to misdirect users, send spam and infect new victims.
Over 500,000 PCs attacked every day after 25,000 UNIX servers hijacked by Operation Windigo
Malware researchers at ESET have uncovered a widespread cybercriminal operation that has seized control of tens of thousands of Unix servers. Learn more about how to check your systems for compromise, and prevent innocent computer users from being attacked.
Operation Windigo – the vivisection of a large Linux server‑side credential‑stealing malware campaign
Our report titled “Operation Windigo – the vivisection of a large Linux server-side credential-stealing malware campaign" details our analysis of a set of malicious programs that infect servers and desktop PCs, and send nearly 500,000 web users to malicious content daily."
An In‑depth Analysis of Linux/Ebury
In this blog post, we provide an in-depth analysis of Linux/Ebury - the most sophisticated Linux backdoor ever seen by our researchers. It is built to steal OpenSSH credentials and maintain access to a compromised server.
Windows exploitation in 2013
The year 2013 was notable for the appearance of 0-day vulnerabilities that were primarily used in targeted attacks. In this case, criminal hackers worked on developing exploits, only not for random propagation of malicious code, but rather for use in attacks on specific users.