Tag: backdoor
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SprySOCKS backdoor expands to Windows with new variants
First seen on scworld.com Jump to article: www.scworld.com/brief/sprysocks-backdoor-expands-to-windows-with-new-variants
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SprySOCKS Windows Variant Abuses Kernel Drivers to Evade Detection
FishMonger, a China-nexus threat group, has deployed an undocumented version of the Linux backdoor against government targets in Honduras, Taiwan, Thailand, and Pakistan. First seen on darkreading.com Jump to article: www.darkreading.com/threat-intelligence/sprysocks-windows-variant-kernel-drivers
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SprySOCKS Backdoor Expands From Linux to Windows
China-linked SprySOCKS backdoor gains stealthy Windows variants and 30-plus C2 commands First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/sprysocks-backdoor-windows/
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Hackers Abuse Compromised WordPress Sites to Deliver GULoader Through EtherHiding Chain
In April 2026, incident responders traced a sophisticated intrusion that abused compromised WordPress sites to deliver GULoader via an EtherHiding → ClickFix → UNC-chain. The real-world ClickFix incident produced convergent evidence from an ANY.RUN sandbox detonation and live EDR telemetry, revealing a complete, user-initiated attack path from a WordPress mu-plugin backdoor to a blocked rundll32.exe…
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China-Linked SprySOCKS Backdoor Expands to Windows with Driver-Based Stealth
Cybersecurity researchers have flagged two previously undocumented Windows variants of what was believed to be a Linux-only backdoor called SprySOCKS.”The Windows variants discovered are internally marked as WIN_DRV and WIN_PLUS,” ESET said in a report shared with The Hacker News. “Both come with a hard-coded C&C [command-and-control] configuration and support communication over TCP, UDP, First…
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Chinese Hacking Firm Upgrades With New Windows Backdoor
Researchers Identified Two Undocumented Variants Used Since 2023. Eset uncovered two previously undocumented Windows variants of the China-linked SprySocks backdoor tied to FishMonger and iSoon, revealing expanded espionage capabilities, rootkit-based stealth and continued targeting of government organizations across Asia and Central America. First seen on govinfosecurity.com Jump to article: www.govinfosecurity.com/chinese-hacking-firm-upgrades-new-windows-backdoor-a-31977
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Rhysida and Interlock Ransomware Groups Linked to Initial Access Brokers and Crypter Ecosystem
Rhysida and Interlock sit inside the same ransomware supply chain, but their latest observed behavior shows a more nuanced relationship than simple code reuse. IBM X-Force’s long-term analysis ties both groups to initial access brokers, private crypters, downloaders, and backdoors that help them stage intrusion chains before encryption. The core finding is that both operations…
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Chinese Hackers Abused Google Workspace Rules to Steal Research and Defense Emails
A China-linked espionage group hid inside North American medical, academic, and military research networks for more than a year, quietly stealing sensitive research and defense email.The way in was a backdoor on their REDCap research servers that stole login credentials. The exfiltration was the unusual part: the attackers rewired the victims’ own Google Workspace rules…
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Google exposes China espionage group that’s been lurking in networks undetected since 2023
The revelation mirrors an alarming pattern of Chinese espionage groups dropping backdoors into critical infrastructure to intercept research and steal data with national security implications. First seen on cyberscoop.com Jump to article: cyberscoop.com/google-unc6508-china-espionage-threat/
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Attackers Hijack Popular WordPress Plugins to Deploy Backdoors
Tampered OptinMonster and sister plugins plant hidden backdoors on 1.2 million WordPress sites First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/wordpress-plugin-supply-chain/
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Velvet Ant Hackers Backdoor OpenSSH and PAM to Spy on Critical Infrastructure Network
Tags: access, authentication, backdoor, china, cyber, hacker, infrastructure, Internet, network, spyA long-running, highly disciplined intrusion attributed to the China-nexus actor known as Velvet Ant has been revealed as a near-decade campaign of silent access that culminated in the replacement of core authentication components OpenSSH binaries and PAM modules across a segregated critical-infrastructure network. The intrusion chain began with compromises of internet-facing systems where the operator…
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Popular WordPress Plugin Scripts Tampered to Plant Hidden Backdoors on Sites
An attacker tampered with trusted JavaScript files used by WordPress sites running PushEngage, OptinMonster, and TrustPulse, turning those files into a way to break into the sites.When a site administrator was logged in as the file loaded, the code created an admin account under the attacker’s control and installed a hidden plugin that opened a…
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Backdoor eingeschleust: Supply-Chain-Angriff gefährdet Millionen von Websites
Ein Angreifer hat über mehrere populäre Plug-ins Schadcode verbreitet, der unter WordPress heimlich eine Backdoor mit Admin-Zugriff einrichtet. First seen on golem.de Jump to article: www.golem.de/news/backdoor-eingeschleust-supply-chain-angriff-gefaehrdet-millionen-von-websites-2606-209767.html
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A hardware neural network backdoor that hides in plain sight
Deep learning systems on phones, cars, and other edge devices increasingly run on custom silicon. Specialized chips such as FPGAs and ASICs give these systems the speed and … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/06/15/hardware-neural-network-backdoor-research/
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OceanLotus targets stock investors and construction firm with SPECTRALVIPER backdoor
Tags: backdoorFirst seen on scworld.com Jump to article: www.scworld.com/brief/oceanlotus-targets-stock-investors-and-construction-firm-with-spectralviper-backdoor
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OceanLotus Targets Stock Investors in FireAnt MetaKit Supply-Chain Hack
OceanLotus APT has executed a precision supply”‘chain operation that implanted its SPECTRALVIPER backdoor into FireAnt MetaKit, a popular Vietnamese market”‘data component. Telemetry collected from mid”‘2024 through early 2026 shows OceanLotus (aka APT32) conducting two distinct campaigns: a long”‘running espionage intrusion against a Vietnamese infrastructure and transport construction company, and a targeted supply”‘chain compromise of FireAnt…
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OceanLotus Targets Stock Investors in FireAnt MetaKit Supply-Chain Hack
OceanLotus APT has executed a precision supply”‘chain operation that implanted its SPECTRALVIPER backdoor into FireAnt MetaKit, a popular Vietnamese market”‘data component. Telemetry collected from mid”‘2024 through early 2026 shows OceanLotus (aka APT32) conducting two distinct campaigns: a long”‘running espionage intrusion against a Vietnamese infrastructure and transport construction company, and a targeted supply”‘chain compromise of FireAnt…
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OceanLotus Targets Stock Investors in FireAnt MetaKit Supply-Chain Hack
OceanLotus APT has executed a precision supply”‘chain operation that implanted its SPECTRALVIPER backdoor into FireAnt MetaKit, a popular Vietnamese market”‘data component. Telemetry collected from mid”‘2024 through early 2026 shows OceanLotus (aka APT32) conducting two distinct campaigns: a long”‘running espionage intrusion against a Vietnamese infrastructure and transport construction company, and a targeted supply”‘chain compromise of FireAnt…
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BLUERABBIT Backdoor Encrypts Files, Wipes Windows Systems
A new Golang-based backdoor dubbed BLUERABBIT has been observed performing combined data theft, file encryption and destructive disk wiping against Windows hosts. First seen in mid-to-late March 2026 and suspected to target Israeli entities, BLUERABBIT implements a full-spectrum intrusion framework: remote access, system profiling, exfiltration to attacker-controlled cloud storage, file encryption that appends a .candy…
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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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Prompt injection still drives most agentic AI security failures in production
A backdoor sat on PyPI for three hours in March 2026. Nearly 47,000 downloads occurred during the window. The compromised package, LiteLLM, serves as the language-model … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/06/11/owasp-prompt-injection-ai-security-failures/
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Operation FlutterBridge Uses Fake Google Ads to Spread macOS Backdoor
Operation FlutterBridge uses fake Google ads and shell companies to deploy FlutterShell, a new macOS backdoor targeting unsuspecting users. First seen on hackread.com Jump to article: hackread.com/op-flutterbridge-fake-google-ads-spread-macos-backdoor/
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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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Malicious podcast, PDF apps spread FlutterShell macOS backdoor malware
First seen on scworld.com Jump to article: www.scworld.com/news/malicious-podcast-pdf-apps-spread-fluttershell-macos-backdoor-malware
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Malicious podcast, PDF apps spread FlutterShell macOS backdoor malware
First seen on scworld.com Jump to article: www.scworld.com/news/malicious-podcast-pdf-apps-spread-fluttershell-macos-backdoor-malware
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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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ThreatsDay Bulletin: AI Agents Gone Wrong, Sketchy C2 Tools, ClickFix Tricks, JS Backdoors & 20+ New Stories
It got stupid again.The internet still feels held together with tape. Bad plugins, old bugs, fake tools, trusted apps doing shady things. Same mess, new wrapper. And now the weird stuff is normal. Forums go down and come back worse. Cheap hackers get better toys. AI starts breaking real systems. Great.Read the whole thing before…
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Malicious Ads Target macOS Users with FlutterShell Backdoor
Hackers are leveraging large-scale malvertising campaigns to distribute a newly identified macOS backdoor dubbed FlutterShell, marking a significant evolution in financially motivated adware operations. Security researchers tracking the activity attribute it to a broader cluster known as CL-CRI-1089 and have named the ongoing campaign Operation FlutterBridge. The campaign builds on earlier activity linked to the…
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FlutterShell Backdoor Spreads to macOS via Malicious Google and YouTube Ads
Tags: attack, backdoor, cybercrime, cybersecurity, google, group, macOS, malicious, malware, networkCybersecurity researchers have shed light on a macOS malvertising campaign codenamed Operation FlutterBridge that spreads a new backdoor called FlutterShell.According to Palo Alto Networks Unit 42, the campaign is said to be the next stage of a previously reported activity cluster dubbed JSCoreRunner (aka FileRipple) in late August 2025. The cybercrime group behind the two…