Internet Explorer and Windows zero-day exploits used in Operation PowerFall
Executive summary In May 2020, Kaspersky technologies prevented an attack on a South Korean company by a malicious script for Internet Explorer. Closer analysis revealed that the attack used a previously unknown full chain that consisted of two zero-day exploits: a remote code execution exploit for Internet Explorer and an elevation of privilege exploit for […] more…The Tetrade: Brazilian banking malware goes global
Introduction Brazil is a well-known country with plenty of banking trojans developed by local crooks. The Brazilian criminal underground is home to some of the world’s busiest and most creative perpetrators of cybercrime. Like their counterparts’ in China and Russia, their cyberattacks have a strong local flavor, and for a long time, they limited their […] more…Pig in a poke: smartphone adware
Our support team continues to receive more and more requests from users complaining about intrusive ads on their smartphones from unknown sources. In some cases, the solution is quite simple. In others, the task is far harder: the adware plants itself in the system partition, and trying to get rid of it can lead to […] more…US Local Government Services Targeted by New Magecart Credit Card Skimming Attack
Eight cities across three states in the United States have fallen victim to a Magecart card skimming attack. In these attacks, their websites were compromised to host credit card skimmers which passed on the credit card information of residents to cybercriminals. These sites all appear to have been built using Click2Gov, a web-based platform meant […] more…New Android Spyware ActionSpy Revealed via Phishing Attacks from Earth Empusa
By Ecular Xu and Joseph C. Chen While tracking Earth Empura, also known as POISON CARP/Evil Eye, we identified an undocumented Android spyware we have named ActionSpy (detected by Trend Micro as AndroidOS_ActionSpy.HRX). During the first quarter of 2020, we observed Earth Empusa’s activity targeting users in Tibet and Turkey before they extended their scope […] more…More Than 8,000 Unsecured Redis Instances Found in the Cloud
By David Fiser (Security Researcher) We discovered 8,000 Redis instances that are running unsecured in different parts of the world, even ones deployed in public clouds. These Redis instances have been found without Transport Layer Security (TLS) encryption and are not password protected. Redis, according to its developers, is originally intended to be used only […] more…Dissecting Geost: Exposing the Anatomy of the Android Trojan Targeting Russian Banks
The Android banking trojan Geost was first revealed in a research by Sebastian García, Maria Jose Erquiaga and Anna Shirokova from the Stratosphere Laboratory. They detected the trojan by monitoring HtBot malicious proxy network. The botnet targets Russian banks, with the victim count at over 800,000 users at the time the study was published in […] more…Malicious Optimizer and Utility Android Apps on Google Play Communicate with Trojans that Install Malware, Perform Mobile Ad Fraud
By Lorin Wu (Mobile Threats Analyst) We recently discovered several malicious optimizer, booster, and utility apps (detected by Trend Micro as AndroidOS_BadBooster.HRX) on Google Play that are capable of accessing remote ad configuration servers that can be used for malicious purposes, perform mobile ad fraud, and download as many as 3,000 malware variants or malicious […] more…Kaspersky Security Bulletin 2018. Top security stories
Introduction The internet is now woven into the fabric of our lives. Many people routinely bank, shop and socialize online and the internet is the lifeblood of commercial organizations. The dependence on technology of governments, businesses and consumers provides a broad attack surface for attackers with all kinds of motives – financial theft, theft of […] more…New trends in the world of IoT threats
Cybercriminals’ interest in IoT devices continues to grow: in H1 2018 we picked up three times as many malware samples attacking smart devices as in the whole of 2017. And in 2017 there were ten times more than in 2016. That doesn’t bode well for the years ahead. We decided to study what attack vectors […] more…Ztorg: money for infecting your smartphone
This research started when we discovered an infected Pokémon GO guide in Google Play. It was there for several weeks and was downloaded more than 500,000 times. We detected the malware as Trojan.AndroidOS.Ztorg.ad. After some searching, I found some other similar infected apps that were being distributed from the Google Play Store. The first of […] more…More information
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