Extracting type information from Go binaries

During the 2021 edition of the SAS conference, I had the pleasure of delivering a workshop focused on reverse-engineering Go binaries. The goal of the workshop was to share basic knowledge that would allow analysts to immediately start looking into malware written in Go. A YouTube version of the...

Transparent Tribe: Evolution analysis, part 2

Background + Key findings Transparent Tribe, also known as PROJECTM or MYTHIC LEOPARD, is a highly prolific group whose activities can be traced as far back as 2013. In the last four years, this APT group has never taken time off. They continue to hit their targets, which typically are Indian...

Travle aka PYLOT backdoor hits Russian-speaking targets

At the end of September, Palo Alto released a report on Unit42 activity where they - among other things – talked about PYLOT malware. We have been detecting attacks that have employed the use of this backdoor since at least 2015 and refer to it as Travle. Coincidentally, KL was recently involved ...

Jack of all trades

Nowadays, it's all too easy to end up with malicious apps on your smartphone, even if you're using the official Google Play app store. The situation gets even worse when you go somewhere other than the official store – fake applications, limited security checks, and so on. However, the spread of...

Still Stealing

Two years ago in October 2015 we published a blogpost about a popular malware that was being distributed from the Google Play Store. Over the next two years we detected several similar apps on Google Play, but in October and November 2017 we found 85 new malicious apps on Google Play that are...

IoT lottery: finding a perfectly secure connected device

Black Friday and Cyber Monday are great for shopping. Vendors flood the market with all kinds of goods, including lots of exciting connected devices that promise to make our life easier, happier and more comfortable. Being enthusiastic shoppers just like many other people around the world, at...

IT threat evolution in Q1 2026. Non-mobile statistics

IT threat evolution in Q1 2026. Non-mobile statistics IT threat evolution in Q1 2026. Mobile statistics The statistics in this report are based on detection verdicts returned by Kaspersky products unless otherwise stated. The information was provided by Kaspersky users who consented to sharing...

IT threat evolution in Q3 2025. Non-mobile statistics

IT threat evolution in Q3 2025. Mobile statistics IT threat evolution in Q3 2025. Non-mobile statistics Quarterly figures In Q3 2025: Kaspersky solutions blocked more than 389 million attacks that originated with various online resources. Web Anti-Virus responded to 52 million unique links. File...

Exploits and vulnerabilities in Q2 2025

Vulnerability registrations in Q2 2025 proved to be quite dynamic. Vulnerabilities that were published impact the security of nearly every computer subsystem: UEFI, drivers, operating systems, browsers, as well as user and web applications. Based on our analysis, threat actors continue to leverag...

GodRAT – New RAT targeting financial institutions

Summary In September 2024, we detected malicious activity targeting financial trading and brokerage firms through the distribution of malicious .scr screen saver files disguised as financial documents via Skype messenger. The threat actor deployed a newly identified Remote Access Trojan RAT named...

Evolution of the PipeMagic backdoor: from the RansomExx incident to CVE-2025-29824

In April 2025, Microsoft patched 121 vulnerabilities in its products. According to the company, only one of them was being used in real-world attacks at the time the patch was released: CVE-2025-29824. The exploit for this vulnerability was executed by the PipeMagic malware, which we first...

IT threat evolution in Q1 2025. Mobile statistics

IT threat evolution in Q1 2025. Mobile statistics IT threat evolution in Q1 2025. Non-mobile statistics Quarterly figures According to Kaspersky Security Network, in the first quarter of 2025: A total of 12 million attacks on mobile devices involving malware, adware, or unwanted apps were blocked...

Сrimeware and financial cyberthreats in 2025

Kaspersky's Global Research and Analysis Team constantly monitors known and emerging cyberthreats directed at the financial industry, with banks and fintech companies being the most targeted. We also closely follow threats that aim to infiltrate a wider range of industries, namely ransomware...

Stealer here, stealer there, stealers everywhere!

Introduction Information stealers, which are used to collect credentials to then sell them on the dark web or use in subsequent cyberattacks, are actively distributed by cybercriminals. Some of them are available through a monthly subscription model, thus attracting novice cybercriminals. Accordi...

Web tracking report: who monitored users’ online activities in 2023–2024 the most

Web tracking has become a pervasive aspect of our online experience. Whether we're browsing social media, playing video games, shopping for products, or simply reading news articles, trackers are silently monitoring our online behavior, fueling the ceaseless hum of countless data centers worldwid...

Loki: a new private agent for the popular Mythic framework

In July 2024, we discovered the previously unknown Loki backdoor, which was used in a series of targeted attacks. By analyzing the malicious file and open sources, we determined that Loki is a private version of an agent for the open-source Mythic framework. One of the agent's decrypted strings O...

EastWind campaign: new CloudSorcerer attacks on government organizations in Russia

In late July 2024, we detected a series of ongoing targeted cyberattacks on dozens of computers at Russian government organizations and IT companies. The threat actors infected devices using phishing emails with malicious shortcut attachments. These shortcuts were used to deliver malware that...

Cybersecurity in the SMB space — a growing threat

Small and medium-sized businesses SMBs are increasingly targeted by cybercriminals. Despite adopting digital technology for remote work, production, and sales, SMBs often lack robust cybersecurity measures. SMBs face significant cybersecurity challenges due to limited resources and expertise. The...

Managed Detection and Response in 2023

Managed Detection and Response in 2023 PDF Alongside other security solutions, we provide Kaspersky Managed Detection and Response MDR to organizations worldwide, delivering expert monitoring and incident response 24/7. The task involves collecting telemetry for analysis by both machine-learning ...

A lightweight method to detect potential iOS malware

Introduction In the ever-evolving landscape of mobile security, hunting for malware in the iOS ecosystem is akin to navigating a labyrinth with invisible walls. Imagine having a digital compass that not only guides you through this maze, but also reveals the hidden mechanisms of iOS malware...

The nature of cyberincidents in 2022

Kaspersky offers various services to organizations that have been targeted by cyberattackers, such as incident response, digital forensics, and malware analysis. In our annual incident response report, we share information about the attacks that we investigated during the reporting period. Data...

ICS cyberthreats in 2023 – what to expect

Cybersecurity incidents were plentiful in 2022, causing many problems for industrial infrastructure owners and operators. However, luckily, we did not see any sudden or catastrophic changes in the overall threat landscape – none that were difficult to handle, despite many colorful headlines in th...

The nature of cyber incidents

Kaspersky provides incident response services and trainings to organizations around the world. In our annual incident response report, we share our observations and statistics based on investigation of real-life incidents. The report contains anonymized data collected by the Kaspersky Global...

Roaming Mantis reaches Europe

Roaming Mantis is a malicious campaign that targets Android devices and spreads mobile malware via smishing. We have been tracking Roaming Mantis since 2018, and published five blog posts about this campaign: Roaming Mantis uses DNS hijacking to infect Android smartphones Roaming Mantis dabbles i...

Two Tickets as Bait

Over the previous weekend, social networks were hit with a wave of posts that falsely claimed that major airlines were giving away tickets for free. Users from all over the world became involved in this: they published posts that mentioned Emirates, Air France, Aeroflot, S7 Airline, Eva Air,...

How an image could compromise your Mac: understanding an ExifTool vulnerability (CVE-2026-3102)

Introduction ExifTool is a widely adopted utility for reading and writing metadata in image, PDF, audio, and video files. It is available both as a standalone command-line application and as a library that can be embedded in other software. In this article, we break down CVE-2026-3102, an ExifToo...

IT threat evolution in Q1 2026. Mobile statistics

IT threat evolution in Q1 2026. Mobile statistics IT threat evolution in Q1 2026. Non-mobile statistics In the third quarter of 2025, we updated the methodology for calculating statistical indicators based on the Kaspersky Security Network. These changes affected all sections of the report except...

Exploits and vulnerabilities in Q4 2025

The fourth quarter of 2025 went down as one of the most intense periods on record for high-profile, critical vulnerability disclosures, hitting popular libraries and mainstream applications. Several of these vulnerabilities were picked up by attackers and exploited in the wild almost immediately...

Hunting for Mythic in network traffic

Post-exploitation frameworks Threat actors frequently employ post-exploitation frameworks in cyberattacks to maintain control over compromised hosts and move laterally within the organization's network. While they once favored closed-source frameworks, such as Cobalt Strike and Brute Ratel C4,...

Exploits and vulnerabilities in Q3 2025

In the third quarter, attackers continued to exploit security flaws in WinRAR, while the total number of registered vulnerabilities grew again. In this report, we examine statistics on published vulnerabilities and exploits, the most common security issues impacting Windows and Linux, and the...

RevengeHotels: a new wave of attacks leveraging LLMs and VenomRAT

Background RevengeHotels, also known as TA558, is a threat group that has been active since 2015, stealing credit card data from hotel guests and travelers. RevengeHotels' modus operandi involves sending emails with phishing links which redirect victims to websites mimicking document storage. The...

ToolShell: a story of five vulnerabilities in Microsoft SharePoint

On July 19–20, 2025, various security companies and national CERTs published alerts about active exploitation of on-premise SharePoint servers. According to the reports, observed attacks did not require authentication, allowed attackers to gain full control over the infected servers, and were...

Threat landscape for industrial automation systems in Q1 2025

Trends Relative stability from quarter to quarter. The percentage of ICS computers on which malicious objects were blocked remained unchanged from Q4 2024 at 21.9%. Over the last three quarters, the value has ranged from 22.0% to 21.9%. The quarterly figures are decreasing from year to year. Sinc...

Undercover miner: how YouTubers get pressed into distributing SilentCryptoMiner as a restriction bypass tool

In recent months, we've seen an increase in the use of Windows Packet Divert drivers to intercept and modify network traffic in Windows systems. This technology is used in various utilities, including ones for bypassing blocks and restrictions of access to resources worldwide. Over the past six...

The SOC files: Chasing the web shell

Web shells have evolved far beyond their original purpose of basic remote command execution, and many now function more like lightweight exploitation frameworks. These tools often include features such as in-memory module execution and encrypted command-and-control C2 communication, giving...

Take my money: OCR crypto stealers in Google Play and App Store

Update 07.02.2025: Google removed malicious apps from Google Play. Update 06.02.2025: Apple removed malicious apps from the App Store. In March 2023, researchers at ESET discovered malware implants embedded into various messaging app mods. Some of these scanned users' image galleries in search of...

IT threat evolution in Q3 2024. Mobile statistics

IT threat evolution in Q3 2024 IT threat evolution in Q3 2024. Non-mobile statistics IT threat evolution in Q3 2024. Mobile statistics Quarterly figures According to Kaspersky Security Network, in Q3 2024: As many as 6.7 million attacks involving malware, adware or potentially unwanted mobile app...

Indirect prompt injection in the real world: how people manipulate neural networks

What is prompt injection? Large language models LLMs – the neural network algorithms that underpin ChatGPT and other popular chatbots – are becoming ever more powerful and inexpensive. For this reason, third-party applications that make use of them are also mushrooming, from systems for document...

Phishing-kit market: what’s inside “off-the-shelf” phishing packages

What are phishing kits? One of the most common tricks scammers use in phishing attacks is to create a fake official page of a famous brand. Attackers tend to copy design elements from the real website, which is why users can find it hard to distinguish the fake pages from the official ones. Even...

Kimsuky targets organizations with PebbleDash-based tools

Over the past few months, we have conducted an in-depth analysis of specific activity clusters of Kimsuky aka APT43, Ruby Sleet, Black Banshee, Sparkling Pisces, Velvet Chollima, and Springtail, a prolific Korean-speaking threat actor. Our research revealed notable tactical shifts throughout...

Old tech, new vulnerabilities: NTLM abuse, ongoing exploitation in 2025

Just like the 2000s Flip phones grew popular, Windows XP debuted on personal computers, Apple introduced the iPod, peer-to-peer file sharing via torrents was taking off, and MSN Messenger dominated online chat. That was the tech scene in 2001, the same year when Sir Dystic of Cult of the Dead Cow...

Approach to mainframe penetration testing on z/OS. Deep dive into RACF

In our previous article we dissected penetration testing techniques for IBM z/OS mainframes protected by the Resource Access Control Facility RACF security package. In this second part of our research, we delve deeper into RACF by examining its decision-making logic, database structure, and the...

Using a Mythic agent to optimize penetration testing

Introduction The way threat actors use post-exploitation frameworks in their attacks is a topic we frequently discuss. It's not just about analysis of artifacts for us, though. Our company's deep expertise means we can study these tools to implement best practices in penetration testing. This hel...

Threat landscape for industrial automation systems in Q4 2024

Statistics across all threats In Q4 2024, the percentage of ICS computers on which malicious objects were blocked decreased by 0.1 pp from the previous quarter to 21.9%. Percentage of ICS computers on which malicious objects were blocked, by quarter, 2022–2024 Compared to Q4 2023, the percentage...

Our secret ingredient for reverse engineering

Nowadays, a lot of cybersecurity professionals use IDA Pro as their primary tool for reverse engineering. While IDA is a complex tool that implements a multitude of features useful for dissecting binaries, many reverse engineers use various plugins to add further functionality to this software. W...

Consumer and privacy predictions for 2025

Overview of 2024 consumer cyberthreats and trends predictions Part of the Kaspersky Security Bulletin, our predictions for 2024 identified key consumer cyberthreats and trends shaped by global events, technological advances and evolving user behavior. Last year, we suggested that charity-related...

Grandoreiro, the global trojan with grandiose goals

Grandoreiro is a well-known Brazilian banking trojan — part of the Tetrade umbrella — that enables threat actors to perform fraudulent banking operations by using the victim's computer to bypass the security measures of banking institutions. It's been active since at least 2016 and is now one of...

Whispers from the Dark Web Cave. Cyberthreats in the Middle East

The Kaspersky Digital Footprint Intelligence team analyzed cybersecurity threats coming from dark web cybercriminals who targeted businesses and governments in the Middle East in H1 2024. Our research highlights the most severe and pervasive threats, and identifies potential risks and consequence...

Scam Information and Event Management

While trying to deliver malware on victims' devices and stay on them as long as they can, sometimes attackers are using quite unusual techniques. In a recent campaign starting in 2022, unknown malicious actors have been trying to mine cryptocurrency on victims' devices without user consent; they'...

HZ Rat backdoor for macOS attacks users of China’s DingTalk and WeChat

In June 2024, we discovered a macOS version of the HZ Rat backdoor targeting users of the enterprise messenger DingTalk and the social network and messaging platform WeChat. The samples we found almost exactly replicate the functionality of the Windows version of the backdoor and differ only in t...