- Lumma Stealer – Tracking distribution channels
April 21, 2025
The evolution of Malware-as-a-Service (MaaS) has significantly lowered the barriers to entry for cybercriminals, with information stealers becoming one of the most commercially successful categories in this underground economy. Among these threats, Lumma Stealer has emerged as a particularly sophisticated player since its introduction in 2022 by the threat actor known as Lumma. Initially marketed as ...
- New Rust Botnet “RustoBot” is Routed via Routers
April 21, 2025
FortiGuard Labs recently discovered a new botnet propagating through TOTOLINK devices. Unlike previous malware targeting these devices, this variant is written in Rust—a programming language introduced by Mozilla in 2010. Due to its Rust-based implementation, we’ve named the malware “RustoBot.” In January and February of 2025, FortiGuard Labs observed a significant increase in alerts related to ...
- Phishing attacks leveraging HTML code inside SVG files
April 21, 2025
With each passing year, phishing attacks feature more and more elaborate techniques designed to trick users and evade security measures. Attackers employ deceptive URL redirection tactics, such as appending malicious website addresses to seemingly safe links, embed links in PDFs, and send HTML attachments that either host the entire phishing site or use JavaScript to ...
- Cascading Shadows: An Attack Chain Approach to Avoid Detection and Complicate Analysis
April 16, 2025
In December 2024, Palo Alto Unit 42 researchers uncovered an attack chain that employs distinct, multi-layered stages to deliver malware like Agent Tesla variants, Remcos RAT or XLoader. Attackers increasingly rely on such complex delivery mechanisms to evade detection, bypass traditional sandboxes, and ensure successful payload delivery and execution. The phishing campaign we analyzed used deceptive ...
- BPFDoor’s Hidden Controller Used Against Asia, Middle East Targets
April 14, 2025
The stealthy rootkit-like malware known as BPFDoor (detected as Backdoor.Linux.BPFDOOR) is a backdoor with strong stealth capabilities, most of them related to its use of Berkeley Packet Filtering (BPF). In a previous article, Trend Micro researchers covered how BPFDoor and BPF-enabled malware work. BPFDoor has been active for at least four years, with a report by ...
- Suspected Kimsuky (APT-Q-2) attacks South Korean companies
April 11, 2025
Kimsuky, alias Mystery Baby, Baby Coin, Smoke Screen, Black Banshe, etc., is tracked internally by Qi’anxin as APT-Q-2. The APT group was publicly disclosed in 2013, with attack activity dating as far back as 2012. Kimsuky’s main target for attacks has been South Korea, involving defense, education, energy, government, healthcare, and think tanks, with a focus ...
- Researcher uncovers dozens of sketchy Chrome extensions with 4 million installs
April 11, 2025
Google is hosting dozens of extensions in its Chrome Web Store that perform suspicious actions on the more than 4 million devices that have installed them and that their developers have taken pains to carefully conceal. The extensions, which so far number at least 35, use the same code patterns, connect to some of the same ...
- GOFFEE continues to attack organizations in Russia
April 10, 2025
GOFFEE is a threat actor that first came to our attention in early 2022. Since then, Kaspersky researchers have observed malicious activities targeting exclusively entities located in the Russian Federation, leveraging spear phishing emails with a malicious attachment. Starting in May 2022 and up until summer of 2023, GOFFEE deployed modified Owowa (malicious IIS module) in ...
- Attackers distributing a miner and the ClipBanker Trojan via SourceForge
April 8, 2025
Recently, Kaspersky researchers noticed a rather unique scheme for distributing malware that exploits SourceForge, a popular website providing software hosting, comparison, and distribution services. The site hosts numerous software projects, and anyone can upload theirs. One such project, officepackage, on the main website sourceforge. net, appears harmless enough, containing Microsoft Office add-ins copied from a legitimate ...
- How ToddyCat tried to hide behind AV software
April 7, 2025
To hide their activity in infected systems, APT groups resort to various techniques to bypass defenses. Most of these techniques are well known and detectable by both EPP solutions and EDR threat-monitoring and response tools. In early 2024, while investigating ToddyCat-related incidents, Kaspersky researchers detected a suspicious file named version.dll in the temp directory on multiple ...