Tag: apt
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Paper Werewolf APT Spreads EchoGather RAT via Fake Adobe Installer
A sophisticated Russian-language threat cluster known asPaper Werewolf(also tracked as GOFFEE) has launched a fresh wave of targeted cyberattacks against Russian industrial, financial, and transport organizations between March and April 2026. The attack begins with a phishing email carrying a PDF attachment. Embedded inside the PDF is a URL pointing to a ZIP archive named…
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Russian APT Turla builds long-term access tool with Kazuar Botnet evolution
Russia-linked APT group Turla turned its Kazuar malware into a stealthy P2P botnet for long-term access to compromised systems. Russia-linked APT group Turla upgraded its Kazuar backdoor into a modular peer-to-peer botnet designed for stealth and persistent access to infected systems. Microsoft researchers say the malware allows attackers to maintain long-term control while making detection…
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Russian APT Turla builds long-term access tool with Kazuar Botnet evolution
Russia-linked APT group Turla turned its Kazuar malware into a stealthy P2P botnet for long-term access to compromised systems. Russia-linked APT group Turla upgraded its Kazuar backdoor into a modular peer-to-peer botnet designed for stealth and persistent access to infected systems. Microsoft researchers say the malware allows attackers to maintain long-term control while making detection…
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Russian APT Turla builds long-term access tool with Kazuar Botnet evolution
Russia-linked APT group Turla turned its Kazuar malware into a stealthy P2P botnet for long-term access to compromised systems. Russia-linked APT group Turla upgraded its Kazuar backdoor into a modular peer-to-peer botnet designed for stealth and persistent access to infected systems. Microsoft researchers say the malware allows attackers to maintain long-term control while making detection…
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Russian APT Turla builds long-term access tool with Kazuar Botnet evolution
Russia-linked APT group Turla turned its Kazuar malware into a stealthy P2P botnet for long-term access to compromised systems. Russia-linked APT group Turla upgraded its Kazuar backdoor into a modular peer-to-peer botnet designed for stealth and persistent access to infected systems. Microsoft researchers say the malware allows attackers to maintain long-term control while making detection…
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Ghostwriter group resumes attacks on Ukrainian Government targets
ESET uncovered new Ghostwriter (aka FrostyNeighbor) activity targeting Ukrainian government organizations in a campaign active since March 2026. ESET researchers published a new report documenting fresh activity attributed to the APT group FrostyNeighbor, aka Ghostwriter, active since at least March 2026, targeting Ukrainian governmental organizations. The campaign is similar to previous FrostyNeighbor’s campaigns. The threat…
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‘FrostyNeighbor’ APT Carefully Targets Govt Orgs in Poland, Ukraine
Attackers uniquely fingerprint victims before delivering spear-phishing payloads aimed at espionage, in the latest campaign from the Belarussian nation-state threat group. First seen on darkreading.com Jump to article: www.darkreading.com/cyberattacks-data-breaches/frostyneighbor-apt-govt-orgs-poland-ukraine
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Chinese APT Exploits Microsoft Exchange to Breach Energy Sector Network
Chinese state-aligned hackers compromised a Microsoft Exchange server at a major energy firm. They repeatedly reused that same entry point to run a months”‘long espionage operation, deploying the Deed RAT and Terndoor backdoors to maintain deep access across the network. The activity is attributed with moderate”‘to”‘high confidence to FamousSparrow, a China”‘aligned APT cluster that overlaps…
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Iranian APT MuddyWater Masquerades as Chaos Ransomware in Elaborate False Flag
The post Iranian APT MuddyWater Masquerades as Chaos Ransomware in Elaborate False Flag appeared first on Daily CyberSecurity. First seen on securityonline.info Jump to article: securityonline.info/muddywater-apt-chaos-ransomware-false-flag-espionage/
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Iranian cyber espionage disguised as a Chaos Ransomware attack
Iran-linked APT MuddyWater used ransomware-style tactics to mask espionage, combining phishing, credential theft, data exfiltration, and extortion without encryption. A newly discovered cyber intrusion attributed to the Iran-linked APT MuddyWater (aka SeedWorm, TEMP.Zagros, Mango Sandstorm, TA450, and Static Kitten) reveals how state-sponsored attackers are increasingly leveraging ransomware tactics to disguise espionage operations. The campaign, uncovered by security researchers at Rapid7, blended…
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Iran-Linked APT Posed as Chaos Ransomware Member in Espionage Campaign
Rapid7 reveals an Iranian false flag operation masquerading as a Chaos ransomware attack First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/iran-linked-apt-chaos-ransomware/
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Ein falsches Spiel: ScarCruft kompromittiert Spieleplattform in einer Supply-Chain-Attacke
ESET-Forscher haben einen anhaltenden Angriff der APT-Gruppe ScarCruft aufgedeckt, der Windows- und Android-Spiele mit Backdoors gegen Bewohner der chinesischen Region Yanbian einsetzt. First seen on welivesecurity.com Jump to article: www.welivesecurity.com/de/eset-research/ein-falsches-spiel-scarcruft-kompromittiert-spieleplattform-in-einer-supply-chain-attacke/
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China-Linked UAT-8302 Targets Governments Using Shared APT Malware Across Regions
A sophisticated China-nexus advanced persistent threat (APT) group has been attributed to attacks targeting government entities in South America since at least late 2024 and government agencies in southeastern Europe in 2025.The activity is being tracked by Cisco Talos under the moniker UAT-8302, with post-exploitation involving the deployment of custom-made malware families that have been…
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North Korean APT Targets Yanbian Gamers via Trojanized Platform
ESET warns that North Korean hackers compromised a Yanbian gaming site in a supply”‘chain attack, trojanizing Windows and Android software to spy on users First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/scarcruft-birdcall-android-yanbian/
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ScarCruft Targets Gaming Platform With Windows, Android Backdoors
A sophisticated multiplatform supply-chain attack orchestrated by the North Korea-aligned APT group ScarCruft, targeting ethnic Koreans in China’s Yanbian region through a compromised gaming platform. The attack, believed to have been ongoing since late 2024, weaponized both Windows and Android components of sqgame[.]net, a video game platform that hosts traditional Yanbian-themed card and board games.…
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New Attribution Framework Links APT Campaigns Across Key Layers
A new attribution framework is reshaping how cybersecurity analysts connect advanced persistent threat (APT) activity, moving beyond static group labels toward a dynamic, multi-layered model that reflects how modern adversaries actually operate. These profiles are built from observed tactics, techniques, procedures (TTPs), malware, and infrastructure. But this approach is increasingly strained. Threat actors evolve constantly…
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Researchers unearth industrial sabotage malware that predated Stuxnet by 5 years
fast16.sys, is briefly mentioned in the 2017 Shadow Brokers leak of documents covering exploits and tools used by US National Security Agency cyber teams.”This 2005 attack is a harbinger for sabotage operations targeting ultra expensive high-precision computing workloads of national importance like advanced physics, cryptographic, and nuclear research workloads,” the SentinelOne researchers said in their…
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GopherWhisper: Ein neues Versteck voller Malware
ESET Research hat eine neue, von China unterstützte APT-Gruppe entdeckt, die wir GopherWhisper getauft haben. Sie zielt auf mongolische Regierungseinrichtungen ab. First seen on welivesecurity.com Jump to article: www.welivesecurity.com/de/eset-research/gopherwhisper-ein-neues-versteck-voller-malware/
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OilRig Hides C2 Config in Google Drive Image via LSB Steganography
APT-C-49 (OilRig), an Iranian state-sponsored advanced persistent threat group also known as APT34 and Helix Kitten, has deployed a sophisticated new attack campaign that conceals command-and-control configurations inside Google Drive images using LSB steganography. The group, which has been active since at least 2014, primarily targets government, energy, telecommunications, and financial sectors across the Middle…
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GopherWhisper: new China-linked APT targets Mongolia with Go-based malware
ESET found a new China-linked APT, tracked as GopherWhisper, targeting Mongolia using Go-based malware, loaders, and backdoors. ESET researchers uncovered a new China-aligned APT group called GopherWhisper, targeting government institutions in Mongolia. The group’s arsenal includes a range of tools mainly written in Go, such as loaders and injectors, which are used to deploy multiple…
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Harvester APT Goes Cross-Platform: New Linux Backdoor Abuses Microsoft Graph API
The post Harvester APT Goes Cross-Platform: New Linux Backdoor Abuses Microsoft Graph API appeared first on Daily CyberSecurity. First seen on securityonline.info Jump to article: securityonline.info/harvester-apt-linux-backdoor-microsoft-graph-api/
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Tropic Trooper APT Takes Aim at Home Routers, Japanese Targets
The Chinese state-sponsored cyber threat is known for moving fast and trying odd attack vectors; now it’s branching out in tools, victimology, and TTPs. First seen on darkreading.com Jump to article: www.darkreading.com/threat-intelligence/tropic-trooper-apt-takes-aim-home-routers-japanese-targets
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Harvester APT Expands Spying Operations with New GoGra Linux Malware
New GoGra Linux malware linked to Harvester APT targets systems in South Asia, using fake PDFs and Microsoft APIs for covert command and control. First seen on hackread.com Jump to article: hackread.com/harvester-apt-spying-new-gogra-linux-malware/
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Chinese APT Abuses Multiple Cloud Tools to Spy on Mongolia
The threat actor gave itself plenty of options to support command and control, tapping Microsoft Outlook, Slack, Discord, and file.io for online espionage. First seen on darkreading.com Jump to article: www.darkreading.com/cyberattacks-data-breaches/chinese-apt-abuses-cloud-tools-spy-mongolia
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New GopherWhisper APT group abuses Outlook, Slack, Discord for comms
A previously undocumented state-backed threat actor named GopherWhisper is using a Go-based custom toolkit and legitimate services like Microsoft 365 Outlook, Slack, and Discord in attacks against government entities. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/new-gopherwhisper-apt-group-abuses-outlook-slack-discord-for-comms/
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New GopherWhisper APT group abuses Outlook, Slack, Discord for comms
A previously undocumented state-backed threat actor named GopherWhisper is using a Go-based custom toolkit and legitimate services like Microsoft 365 Outlook, Slack, and Discord in attacks against government entities. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/new-gopherwhisper-apt-group-abuses-outlook-slack-discord-for-comms/
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Outlook Mailboxes Abused to Conceal Linux GoGra Backdoor Traffic
The Harvester APT group has quietly expanded its espionage arsenal with a new Linux variant of its GoGra backdoor, one that cleverly hides its command-and-control (C2) traffic within Microsoft Outlook mailboxes, making it significantly harder to detect with traditional network defenses. Researchers from Symantec and Carbon Black Threat Hunter Team discovered the malware. They linked…
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GopherWhisper APT group hides command and control traffic in Slack and Discord
Attackers continue to lean on everyday collaboration platforms to hide command and control traffic inside normal enterprise noise. A newly identified China-aligned APT group … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/04/23/gopherwhisper-apt-group/
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Why AI-Driven Arms Race Needs Better Threat Intelligence
TrendAI’s Tom Kellermann on Defending Against Agentic Attacks, APT Collaboration. AI-driven threats now operate with speed, scale and persistence. Defenders need expanded telemetry, a global research team and an advanced XDR platform to predict and suppress adversaries defenders, said Tom Kellermann, vice president of AI security and threat intelligence at TrendAI. First seen on govinfosecurity.com…
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North Korea’s Lazarus APT stole $290M from Kelp DAO
North Korea-linked Lazarus Group stole $290M from Kelp DAO by abusing LayerZero. A second $95M attempt was stopped. Hackers tied to the North-Korea linked group Lazarus APT carried out a $290M crypto theft targeting Kelp DAO. Kelp DAO is a decentralized finance (DeFi) protocol built on the Ethereum ecosystem that focuses on a concept called…