Windows malware

Research

How to steal a million (of your data)

This cybercriminal’s thirst for stolen data is confirmed by the statistics: in the first half of 2019, more than 940,000 users were attacked by malware designed to harvest a variety of data on the computers. The threat’s called “Stealer Trojans” or Password Stealing Ware (PSW), a type of malware designed to steal passwords, files, and other data from victim computers.

Research

Plurox: Modular backdoor

The analysis showed the Backdoor.Win32.Plurox to have a few quite unpleasant features. What’s more, the backdoor is modular, which means that its functionality can be expanded with the aid of plugins.

Publications

Game of Threats

To find out exactly how cybercriminals capitalize on the rise in illegal downloads of TV content, we have researched the landscape of malware threats disguised as new episodes of popular TV shows distributed through torrent websites.

Malware reports

Bots and botnets in 2018

Due to the wide media coverage botnets activities have become largely associated with DDoS attacks. Yet this is merely the tip of the iceberg, and botnets are used widely not only to carry out DDoS attacks, but to steal various user information.

Research

The return of the BOM

There’s nothing new in Brazilian cybercriminals trying out new ways to stay under the radar. It’s just that this time around the bad guys have started using a method that was reported in the wild years ago – the UTF-8 BOM (Byte Order Mark) additional bytes.

Publications

Financial Cyberthreats in 2018

The presented report continues the series of Kaspersky Lab reports that provide an overview of how the financial threat landscape has evolved over the years. It covers the common phishing threats that users encounter, along with Windows-based and Android-based financial malware.

Reports

Lazarus targets defense industry with ThreatNeedle

In mid-2020, we realized that Lazarus was launching attacks on the defense industry using the ThreatNeedle cluster, an advanced malware cluster of Manuscrypt (a.k.a. NukeSped). While investigating this activity, we were able to observe the complete life cycle of an attack, uncovering more technical details and links to the group’s other campaigns.

Sunburst backdoor – code overlaps with Kazuar

While looking at the Sunburst backdoor, we discovered several features that overlap with a previously identified backdoor known as Kazuar. Our observations shows that Kazuar was used together with Turla tools during multiple breaches in past years.

Lazarus covets COVID-19-related intelligence

As the COVID-19 crisis grinds on, some threat actors are trying to speed up vaccine development by any means available. We have found evidence that the Lazarus group is going after intelligence that could help these efforts by attacking entities related to COVID-19 research.

Sunburst: connecting the dots in the DNS requests

We matched private and public DNS data for the SUNBURST-malware root C2 domain with the CNAME records, to identify who was targeted for further exploitation. In total, we analyzed 1722 DNS records, leading to 1026 unique target name parts and 964 unique UIDs.

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