Cavalry Werewolf Hit Russian Government with New ShellNET Backdoor

Doctor Web uncovers a targeted cyberattack on a Russian government body by the Cavalry Werewolf group using a new ShellNET backdoor and Telegram-based control...

Russian Ransomware Gangs Weaponize Open-Source AdaptixC2 for Advanced Attacks

The open-source command-and-control C2 framework known as AdaptixC2 is being used by a growing number of threat actors, some of whom are related to Russian ransomware gangs. AdaptixC2 is an emerging extensible post-exploitation and adversarial emulation framework designed for penetration testing...

Russian Hackers Exploit Adaptix Pentesting Tool in Ransomware Attacks

Silent Push wars of Russian hackers exploiting Adaptix, a pentesting tool built for Windows, Linux, and macOS, in ransomware campaigns...

ThreatsDay Bulletin: DNS Poisoning Flaw, Supply-Chain Heist, Rust Malware Trick and New RATs Rising

The comfort zone in cybersecurity is gone. Attackers are scaling down, focusing tighter, and squeezing more value from fewer, high-impact targets. At the same time, defenders face growing blind spots — from spoofed messages to large-scale social engineering. This week’s findings show how that...

Ex-L3Harris Cyber Boss Pleads Guilty to Selling Trade Secrets to Russian Firm

Peter Williams, a former executive of Trenchant, L3Harris’ cyber division, has pleaded guilty to two counts of stealing trade secrets and selling them to an unnamed Russian software broker...

Russian Hackers Target Ukrainian Organizations Using Stealthy Living-Off-the-Land Tactics

Organizations in Ukraine have been targeted by threat actors of Russian origin with an aim to siphon sensitive data and maintain persistent access to compromised networks. The activity, according to a new report from the Symantec and Carbon Black Threat Hunter Team, targeted a large business...

Russian Hackers Target Ukrainian Organizations Using Stealthy Living-Off-the-Land Tactics

Organizations in Ukraine have been targeted by threat actors of Russian origin with an aim to siphon sensitive data and maintain persistent access to compromised networks. The activity, according to a new report from the Symantec and Carbon Black Threat Hunter Team, targeted a large business...

Chatbots Are Pushing Sanctioned Russian Propaganda

ChatGPT, Gemini, DeepSeek, and Grok are serving users propaganda from Russian-backed media when asked about the invasion of Ukraine, new research finds...

Mem3nt0 mori – The Hacking Team is back!

In March 2025, Kaspersky detected a wave of infections that occurred when users clicked on personalized phishing links sent via email. No further action was required to initiate the infection; simply visiting the malicious website using Google Chrome or another Chromium-based web browser was...

PhantomCaptcha RAT Attack Targets Aid Groups Supporting Ukraine

SentinelLABS’ research reveals PhantomCaptcha, a highly coordinated, one-day cyber operation on Oct 8, 2025, targeting the International Red Cross, UNICEF, and Ukraine government groups using fake emails and a Remote Access Trojan RAT linked to Russian infrastructure...

The Attribution Story of WhisperGate: An Academic Perspective

This paper explores the challenges of cyberattack attribution, specifically APTs, applying the case study approach for the WhisperGate cyber operation of January 2022 executed by the Russian military intelligence service GRU and targeting Ukrainian government entities. The study provides a detail...

New .NET CAPI Backdoor Targets Russian Auto and E-Commerce Firms via Phishing ZIPs

Cybersecurity researchers have shed light on a new campaign that has likely targeted the Russian automobile and e-commerce sectors with a previously undocumented .NET malware dubbed CAPI Backdoor. According to Seqrite Labs, the attack chain involves distributing phishing emails containing a ZIP...

Chinese Threat Group 'Jewelbug' Quietly Infiltrated Russian IT Network for Months

A threat actor with ties to China has been attributed to a five-month-long intrusion targeting a Russian IT service provider, marking the hacking group's expansion to the country beyond Southeast Asia and South America. The activity, which took place from January to May 2025, has been attributed ...

Inside Russian Market: Uncovering the Botnet Empire

Eliran Alon contributed to this post. Inside Russian Market: Key insights from Rapid7 threat research The online cybercrime marketplace, Russian Market, has evolved from selling Remote Desktop Protocol RDP access to becoming one of the most active underground hubs for information-stealing malware...

OpenAI Disrupts Russian, North Korean, and Chinese Hackers Misusing ChatGPT for Cyberattacks

OpenAI on Tuesday said it disrupted three activity clusters for misusing its ChatGPT artificial intelligence AI tool to facilitate malware development. This includes a Russian‑language threat actor, who is said to have used the chatbot to help develop and refine a remote access trojan RAT, a...

EUVD-2014-7263

Malware in sbrugna...

The Evolution of Russian Physical-Cyber Espionage

The Evolution of Russian Physical-Cyber Espionage By Ryan Slaney · October 6, 2025 Russian state-sponsored cyber operations, primarily those conducted by hackers belonging to its Main Intelligence Directorate GRU, also known as APT28, have long combined digital intrusions with physical tradecraft...

New "Cavalry Werewolf" Attack Hits Russian Agencies with FoalShell and StallionRAT

A threat actor that's known to share overlaps with a hacking group called YoroTrooper has been observed targeting the Russian public sector with malware families such as FoalShell and StallionRAT. Cybersecurity vendor BI.ZONE is tracking the activity under the moniker Cavalry Werewolf. It's also...

Dutch Teens Arrested Over Alleged Spying for Pro-Russian Hackers

Dutch authorities arrest two teens recruited by pro-Russian hackers for spying missions. Learn how Russia is using disposable agents for sabotage across Europe...

CountLoader Broadens Russian Ransomware Operations With Multi-Version Malware Loader

Cybersecurity researchers have discovered a new malware loader codenamed CountLoader that has been put to use by Russian ransomware gangs to deliver post-exploitation tools like Cobalt Strike and AdaptixC2, and a remote access trojan known as PureHVNC RAT. "CountLoader is being used either as par...