Tag: espionage
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OceanLotus Hits Vietnam Investors With SPECTRALVIPER in FireAnt Attack
The Vietnam-aligned threat actor known as OceanLotus has been attributed to two distinct campaigns that targeted domestic entities and stock investors with a backdoor known as SPECTRALVIPER.The campaigns involve a prolonged cyber espionage operation aimed at a Vietnamese infrastructure and transport construction corporation between mid-2024 and February 2026, as well as a supply chain attack…
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Hackers Abuse VMware-Signed Binary to Deploy NIGHTFORGE Loader
Two closely related espionage campaigns targeting Cambodian government organizations that abuse a legitimate VMware-signed binary to sideload a custom loader dubbed NIGHTFORGE, which in turn deploys a Havoc Demon implant in memory. TRU attributes both operations to a previously unreported cluster it calls Khmer Shadow, based on targeting, lure construction and shared infrastructure; the activity…
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VerdantBamboo Deploys BSD Variant of BRICKSTORM on Linux Appliances
A China-nexus cyber espionage group has been observed deploying a BSD variant of a known backdoor called BRICKSTORM, as well as two other malware families codenamed PLENET (aka GRIMBOLT) and AGENTPSD to target Linux systems.The activity has been attributed by Volexity to a threat cluster it tracks as VerdantBamboo, which it said overlaps with hacking…
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China-Linked OP-512 Targets IIS Servers With Unique Web Shell Framework
A suspected China-linked espionage cluster dubbed OP-512 after rapidly correlating many low-fidelity events into a single high-priority incident that human analysts then validated. OP-512 compromised an Internet Information Services (IIS) server and deployed a custom web shell framework built to evade signature-based detection. Each web shell instance is cryptographically unique, restricts access with layered encryption,…
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China-Linked Espionage Cluster Deploys Custom ASPX/ASHX Shells on IIS
A previously disclosed China-linked threat cluster, tracked as OP-512, has been observed deploying a purpose-built web shell framework to compromise Internet Information Services (IIS) servers. Identified by ReliaQuest, the espionage operation targeted a Windows Server 2016 environment running an end-of-life .NET Framework 4.0. Telemetry revealed the threat actors established access 75 days prior to the…
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Chinese APT deploys new malware to keep access to hacked networks
A Chinese espionage group tracked as UNC5221 has been accessing Microsoft 365 environments using the Brickstorm backdoor and previously undocumented malware named Plenet and AgentPSD. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/chinese-apt-deploys-new-malware-to-keep-access-to-hacked-networks/
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New Threat Cluster OP-512 Targets Microsoft IIS Servers with Custom Web Shell Framework
Cybersecurity researchers have discovered a previously unreported threat cluster dubbed OP-512 that has been observed targeting Microsoft Internet Information Services (IIS) servers to deploy a bespoke web shell framework.ReliaQuest has assessed with moderate to high confidence that the espionage-focused activity is linked to China.”OP-512 was highly likely conducting espionage through a First seen on thehackernews.com…
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New Threat Cluster OP-512 Targets Microsoft IIS Servers with Custom Web Shell Framework
Cybersecurity researchers have discovered a previously unreported threat cluster dubbed OP-512 that has been observed targeting Microsoft Internet Information Services (IIS) servers to deploy a bespoke web shell framework.ReliaQuest has assessed with moderate to high confidence that the espionage-focused activity is linked to China.”OP-512 was highly likely conducting espionage through a First seen on thehackernews.com…
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The Cyber Express Weekly Roundup: Cloud Extortion, Long-Term Espionage, Android Zero-Days, and Public Sector Security Reviews
The cybersecurity landscape in this weekly roundup continues to show a clear shift toward identity-driven attacks, long-term persistence operations, and exploitation of trusted cloud environments. Threat actors are increasingly focusing on stealing credentials, abusing administrative access, and leveraging legitimate platforms to scale impact across organizations. First seen on thecyberexpress.com Jump to article: thecyberexpress.com/tce-weekly-roundup-extortion-android-cloud/
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Stock Exchange Executive’s Outlook Targeted in Credential Theft Attack
A prolonged and highly targeted espionage campaign has been uncovered involving the compromise of a senior executive’s Microsoft Outlook account at a major global stock exchange, highlighting the strategic value of executive-level email access in modern cyber operations. The activity, which persisted for approximately five months between October 2025 and March 2026, demonstrates a disciplined…
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Hackers Spied on a Stock Exchange Executive’s Outlook Mailbox for Five Months
Unknown attackers spent at least five months inside the Outlook mailbox of a senior executive at a major global stock exchange, copying the inbox out in small, repeated batches and routing it through Dropbox and OneDrive so the traffic blended into normal cloud activity.Symantec and Carbon Black’s Threat Hunter Team reported the campaign this week.…
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Tropical Blend: Cyber & Politics Ramp Up Across Latin America
China-linked espionage groups have attacked at least a dozen nations in the region, gathering information on maritime shipping, oil production, and other geopolitical interests. First seen on darkreading.com Jump to article: www.darkreading.com/cyberattacks-data-breaches/nation-state-cyber-activity-latin-america
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Cyber espionage campaign targeted stock exchange executive’s Outlook account
Attackers spent five months silently stealing emails from a stock exchange executive’s Outlook account in a suspected espionage operation. A threat actor quietly sat inside a senior executive’s Outlook account at a major global stock exchange for roughly 150 days, from October 2025 to March 2026. Broadcom’s Symantec and Carbon Black threat-hunting team investigated the…
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HazyBeacon Campaign Abuses AWS for Stealthy C2 Communications
Tags: attack, cloud, communications, control, cyber, espionage, government, network, service, threatA newly documented cyber espionage operation known as HazyBeacon, tracked as CL-STA-1020, is leveraging Amazon Web Services (AWS) to build stealthy command-and-control (C2) channels that are difficult for defenders to detect. The campaign primarily targets government networks in Southeast Asia and represents a growing shift toward cloud-native attack infrastructure. This misconfiguration enables threat actors to…
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Foreign Spyware Found on Phones of Top Russian Officials
Russian authorities have disclosed a suspected large-scale cyber espionage operation targeting the mobile devices of senior government officials, raising fresh concerns over advanced spyware campaigns and mobile surveillance threats. The Federal Security Service (FSB) announced on Tuesday that it had identified and disrupted an alleged effort by foreign intelligence agencies to deploy malicious software on…
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Twill Typhoon RAT Campaign Uses DLL Side Loading to Target APJ Networks
A stealthy cyber espionage operation is actively targeting organizations across the Asia-Pacific region. Specifically, security researchers recently uncovered First seen on securityonline.info Jump to article: securityonline.info/twill-typhoon-rat-campaign-dll-side-loading/
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China-Aligned Groups Ramp Up Attacks: Dragon Weave Hits Czech Republic & Taiwan
Tags: attack, china, cyber, email, espionage, finance, government, group, phishing, service, spear-phishing, technologyA new cyber espionage campaign codenamed Operation Dragon Weave has been observed targeting officials and citizens in the Czech Republic and Taiwan to deliver an AdaptixC2 agent.According to Seqrite Labs, targets of the campaign include government, research, academic, technology, and financial services sectors. The activity entails distributing spear-phishing emails containing ZIP attachments First seen on…
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China-Aligned Groups Ramp Up Attacks: Dragon Weave Hits Czech Republic & Taiwan
Tags: attack, china, cyber, email, espionage, finance, government, group, phishing, service, spear-phishing, technologyA new cyber espionage campaign codenamed Operation Dragon Weave has been observed targeting officials and citizens in the Czech Republic and Taiwan to deliver an AdaptixC2 agent.According to Seqrite Labs, targets of the campaign include government, research, academic, technology, and financial services sectors. The activity entails distributing spear-phishing emails containing ZIP attachments First seen on…
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China-Aligned Groups Ramp Up Attacks: Dragon Weave Hits Czech Republic & Taiwan
Tags: attack, china, cyber, email, espionage, finance, government, group, phishing, service, spear-phishing, technologyA new cyber espionage campaign codenamed Operation Dragon Weave has been observed targeting officials and citizens in the Czech Republic and Taiwan to deliver an AdaptixC2 agent.According to Seqrite Labs, targets of the campaign include government, research, academic, technology, and financial services sectors. The activity entails distributing spear-phishing emails containing ZIP attachments First seen on…
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China-Aligned Groups Ramp Up Attacks: Dragon Weave Hits Czech Republic & Taiwan
Tags: attack, china, cyber, email, espionage, finance, government, group, phishing, service, spear-phishing, technologyA new cyber espionage campaign codenamed Operation Dragon Weave has been observed targeting officials and citizens in the Czech Republic and Taiwan to deliver an AdaptixC2 agent.According to Seqrite Labs, targets of the campaign include government, research, academic, technology, and financial services sectors. The activity entails distributing spear-phishing emails containing ZIP attachments First seen on…
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Advanced China-Nexus Group Strikes Southeast Asian Networks
A sophisticated cyber espionage campaign is currently striking enterprise operations across Southeast Asia. Specifically, a China-nexus group has First seen on securityonline.info Jump to article: securityonline.info/custom-linux-router-implant-malware/
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Advanced China-Nexus Group Strikes Southeast Asian Networks
A sophisticated cyber espionage campaign is currently striking enterprise operations across Southeast Asia. Specifically, a China-nexus group has First seen on securityonline.info Jump to article: securityonline.info/custom-linux-router-implant-malware/
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Advanced China-Nexus Group Strikes Southeast Asian Networks
A sophisticated cyber espionage campaign is currently striking enterprise operations across Southeast Asia. Specifically, a China-nexus group has First seen on securityonline.info Jump to article: securityonline.info/custom-linux-router-implant-malware/
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MuddyWater Uses DLL Side-Loading in Espionage Campaign Targeting 9 Countries
The Iranian hacking group known as MuddyWater has been linked to a new campaign affecting at least nine organizations across nine countries on four continents in the first quarter of 2026.The activity targeted industrial and electronics manufacturing, education and public-sector bodies, financial services, and professional services, per the Threat Hunter Team from Symantec and Carbon…
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China-Linked Hackers Hit SEA Edge Routers With Custom Linux Implant
China-linked hackers are conducting a stealthy infrastructure-centric espionage campaign across Southeast Asia by compromising Linux-based edge routers with a custom ELF implant and pairing it with a cracked Cobalt Strike Beacon on Windows systems for unified command-and-control over entire networks. The operation enables full visibility into, and manipulation of, downstream traffic while largely bypassing traditional…
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AI Threat Landscape Digest March-April 2026
xecutive Summary During the MarchApril 2026 reporting period, AI use in offensive operations advanced from development and planning to real-time operational deployment. Multiple independent cases, involving individual criminal actors, mass exploitation platforms, ransomware groups, and state-sponsored espionage, show evidence of commercial AI models executing autonomous attack workflows across extended campaigns. Key findings: AI as Live…
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APT Group Patches termsrv.dll to Enable Multiple RDP Sessions
A sustained cyber espionage campaign attributed to the Cloud Atlas advanced persistent threat (APT) group has introduced a stealthy technique that modifies the Windows termsrv.dll library to enable multiple Remote Desktop Protocol (RDP) sessions on compromised systems. Observed throughout 2025 and continuing into 2026, the activity primarily targets government and commercial entities in Russia and…
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Kazuar Malware Becomes Modular Spyware for Secret Blizzard Ops
A major evolution in the Kazuar malware family, a long-standing cyber espionage tool linked to the Russian state-sponsored threat group Secret Blizzard, also known as Turla and Venomous Bear. Kazuar historically supported espionage campaigns targeting government, diplomatic, and defense sectors. Its latest iteration introduces a modular architecture composed of three key components: Kernel, Bridge, and…
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MiniUpdate RAT Abuses Azure C2 for Targeted Espionage
A sophisticated espionage campaign by the Iran-nexus advanced persistent threat group known as Screening Serpens also tracked as UNC1549 and Smoke Sandstorm deploying a newly identified remote access Trojan (RAT) family called MiniUpdate against targets in the United States, Israel, and the United Arab Emirates. Screening Serpens has been active since at least 2022, but…
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New Telecom Espionage Campaign Tied to China
Researchers Trace Linux and Windows Toolsets to Suspected PRC Espionage Activity. Newly discovered malware tied to China-linked actors breached telecom providers across Asia and the Middle East, highlighting growing efforts to gain persistent access into interconnected communications infrastructure. First seen on govinfosecurity.com Jump to article: www.govinfosecurity.com/new-telecom-espionage-campaign-tied-to-china-a-31763