Tag: backdoor
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China-Nexus Hackers Compromise 350 Systems Across Asia With New Antino Backdoor
A China-nexus cyber-espionage campaign that compromised approximately 350 endpoints across Asia using a previously undocumented Rust-based Windows backdoor called Antino. The activity cluster, tracked as UAT-11587, targeted government, defense, diplomatic, policy, academic and civil-society organizations in at least eight countries between September 2025 and July 2026. Talos identified 10 confirmed and five probable affected institutional…
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China-Nexus Hackers Compromise 350 Systems Across Asia With New Antino Backdoor
A China-nexus cyber-espionage campaign that compromised approximately 350 endpoints across Asia using a previously undocumented Rust-based Windows backdoor called Antino. The activity cluster, tracked as UAT-11587, targeted government, defense, diplomatic, policy, academic and civil-society organizations in at least eight countries between September 2025 and July 2026. Talos identified 10 confirmed and five probable affected institutional…
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CloudSyncD Uses Invisible Unicode to Hide Phished Mac Passwords in Plain Sight
A new macOS backdoor, tracked as CloudSyncD, that masquerades as a Zoom installer and uses invisible Unicode characters to conceal a victim’s phished password inside a seemingly harmless configuration file. The malware was found during routine VirusTotal monitoring embedded in a fake Zoom client distributed as a disk image named “Zoom.” Its visual layout imitates…
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SC WordPress Malware Rebuilds Itself After Removal Using Database and Memory Persistence
A newly analyzed WordPress malware family, tracked as SC for the “SC_” markers embedded in its injected code, uses a self-healing persistence mesh that can restore a deleted backdoor within seconds. Researchers found that SC does not rely on a single web shell or plugin. Instead, the malware creates at least eight interdependent persistence points,…
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RedFlick Uses Scheduled Tasks and Password-Protected Archives to Deploy CosmicPulse Backdoor
Russian state-linked threat actor Star Blizzard has expanded its cyberespionage operations in 2026 with a phishing and malware-delivery technique tracked by Microsoft as RedFlick. Microsoft Threat Intelligence reported that the group, which CISA attributes to Russia’s Federal Security Service (FSB) Center 18, conducted at least 13 phishing campaigns between January and August 2026. The activity…
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China-nexus UAT-11587 targets government and policy organizations across Asia with Antino backdoor
Cisco Talos uncovered a cluster of activity we track as UAT-11587 targeting government and policy organizations across Asia, including in Taiwan, India, the Philippines, and Cambodia, to deliver a previously undocumented backdoor referred to as “Antino” in developer artifacts. First seen on blog.talosintelligence.com Jump to article: blog.talosintelligence.com/china-nexus-uat-11587-targets-government-and-policy-organizations-across-asia-with-antino-backdoor/
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Russia’s Star Blizzard Targets 100+ Organizations With Fake Event Invites to Deliver Backdoor
Russian state hackers known as Star Blizzard have been using fake event invitations to trick people into installing a backdoor on their Windows computers, according to Microsoft.The campaigns, aimed at people and organizations tied to Ukraine, have affected more than 100 organizations since January, mostly in the U.S. and U.K. At least one computer was…
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MacSync info-stealing malware hides malicious commands in an iCloud calendar
A new MacSync variant targets Mac users with an infostealer and persistent backdoor designed to steal credentials, crypto wallet data, and files, according to Kaspersky. … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/09/25/macsync-info-stealing-malware-for-macos/
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TASK#STOMP PowerShell Backdoor Steals Business Documents and Executes Remote Commands
A Windows-focused backdoor dubbed TASK#STOMP that uses VBScript, PowerShell, Scheduled Tasks, and runtime C# compilation to establish resilient persistence and continuously steal business documents. The implant also captures screenshots, extracts saved Wi-Fi passwords, harvests clipboard data, and executes arbitrary commands received from its operators. While the original delivery method is unconfirmed, the location is consistent…
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New TASK#STOMP Windows Backdoor Enables Continuous Document Theft
TASK#STOMP Windows backdoor uses PowerShell, scheduled tasks and runtime C# compilation to steal business documents and maintain remote access. First seen on hackread.com Jump to article: hackread.com/taskstomp-windows-backdoor-document-theft/
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Linux BambooToken Malware Uses MQTT C2 for Remote Shell Access and File Exfiltration
A Linux variant of the BambooToken backdoor uses MQTT as its command-and-control channel, enabling operators to profile compromised hosts, execute shell commands, and transfer files through broker-mediated topics. Analysis of a statically linked x86-64 ELF sample shows that its configuration, task routing, and network payloads are obfuscated with separate XOR routines. The examined sample, SHA-256…
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North Korean Hackers Hide Mac Backdoors in Fake Terraform Job Tests
North Korean hackers are using fake Terraform job tests to deploy macOS backdoors and target developer access to cloud infrastructure. First seen on esecurityplanet.com Jump to article: www.esecurityplanet.com/threats/news-north-korean-terraform-malware/
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Hackers Compromise 65 GitHub Repositories and Poison npm Package With Hidden Backdoor
Threat actors have compromised at least 65 public GitHub repositories in a software supply-chain campaign that abused npm trusted publishing to distribute a stealthy backdoor through a legitimate package. The malicious package was identified as @dforge-core/dforge-mcp, an MCP-related npm package whose maintainer account was abused for roughly 105 minutes on September 9. Attackers initially pushed…
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One Hidden Meta Muse Setting Could Let Attackers Turn the AI Assistant Into a Backdoor
Malware already running on a Mac can quietly take over Meta’s Muse assistant and use the broad access its owner granted the app, security researcher Patrick Wardle has shown in a proof-of-concept released on September 21.It works by changing a hidden setting so that when the user taps the microphone and dictates a prompt, the…
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China-Linked FamousSparrow Deploys SparroWocky Backdoor in Latin America
FamousSparrow is targeting Latin American governments with SparroWocky, a new C++ backdoor that exfiltrates files, takes screenshots and evades security tools. First seen on hackread.com Jump to article: hackread.com/china-famoussparrow-sparrowocky-backdoor-latin-america/
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TASK#STOMP PowerShell Backdoor Steals Documents, Wi-Fi Passwords, and Clipboard Data
Cybersecurity researchers have disclosed details of a new campaign dubbed TASK#STOMP that delivers a PowerShell backdoor designed to harvest sensitive data from compromised hosts.The backdoor “automatically harvests and exfiltrates business documents, watches the filesystem for new files in real time, steals Wi-Fi passwords and clipboard contents, takes screenshots, and accepts arbitrary First seen on thehackernews.com…
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The TASK#STOMP Windows backdoor takes Wi-Fi passwords, screenshots, and business files
Researchers have taken apart TASK#STOMP, a Windows backdoor that searches a victim’s drives for business documents, uploads them to attacker servers, and then stays put … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/09/21/taskstomp-windows-backdoor/
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Hackers Weaponize Terraform Lock Files to Infect DevOps Engineers With macOS Backdoors
North Korea-linked threat actor TraderTraitor has expanded its developer-focused intrusion activity beyond cryptocurrency targets, using weaponized Terraform lock files in fake job-interview repositories to infect DevOps engineers with macOS backdoors. SentinelOne identified an Indian IT services provider compromised with the same FLATROOF and ROOFDECK implants previously linked to the April 2026 KelpDAO-LayerZero attack. The campaign…
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EtherHiding Malware Abuses Polygon Blockchain to Hide C2 and Steal Banking Credentials
Tags: backdoor, banking, blockchain, business, control, credentials, cyber, infrastructure, malware, powershellA newly uncovered EtherHiding campaign has turned the Polygon blockchain into a resilient command-and-control mechanism, allowing operators to rotate malware infrastructure without modifying the payload deployed on victim systems. The operation, active since at least November 2025, has compromised at least 31 legitimate business websites and evolved from deploying a general-purpose PowerShell backdoor to distributing…
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Jade Sleet Linked to Indian IT Provider Breach With FLATROOF and ROOFDECK Backdoors
The North Korean threat actor known as Jade Sleet has been attributed to the compromise of an India-based “much smaller organization” in the information technology (IT) services industry, once again highlighting how the adversary continues to target developers to breach target networks.Cybersecurity company SentinelOne, which disclosed details of the activity, said it involved the use…
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EtherHiding Malware Abuses Polygon Blockchain to Hide C2 and Steal Banking Credentials
Tags: backdoor, banking, blockchain, business, control, credentials, cyber, infrastructure, malware, powershellA newly uncovered EtherHiding campaign has turned the Polygon blockchain into a resilient command-and-control mechanism, allowing operators to rotate malware infrastructure without modifying the payload deployed on victim systems. The operation, active since at least November 2025, has compromised at least 31 legitimate business websites and evolved from deploying a general-purpose PowerShell backdoor to distributing…
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EtherHiding Malware Abuses Polygon Blockchain to Hide C2 and Steal Banking Credentials
Tags: backdoor, banking, blockchain, business, control, credentials, cyber, infrastructure, malware, powershellA newly uncovered EtherHiding campaign has turned the Polygon blockchain into a resilient command-and-control mechanism, allowing operators to rotate malware infrastructure without modifying the payload deployed on victim systems. The operation, active since at least November 2025, has compromised at least 31 legitimate business websites and evolved from deploying a general-purpose PowerShell backdoor to distributing…
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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 115
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Gray Rabbits and the Tale of a One-Click Backdoor Red Heron exploits Gitea n-day flaw in multinational campaign, exposing new Linux rootkit Malicious Twitch Browser Extension Exposes 30,000 Users’ OAuth Tokens to Russian Bot…
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China Hackers Hit Latin American Governments With Backdoor
ESET Says FamousSparrow Shifted Nearly All Targeting to Latin America. A Chinese espionage group has deployed a previously undocumented backdoor against government entities in eight Latin American countries and territories, including Puerto Rico, in a campaign researchers say tracks with U.S. pressure on Chinese investments across the region. First seen on govinfosecurity.com Jump to article:…
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Transparent Tribe Deploys New Rust Backdoor Using Private GitHub Repositories for C2
The Pakistan-aligned threat group tracked as Transparent Tribe (aka APT36 and Earth Karkaddan) has been attributed to a fresh set of cyber attacks targeting government and defense entities in India and Afghanistan.The attacks, per Zscaler ThreatLabz, involve the use of previously undocumented tools called RUSTYSHADE, RUSTYMOVE, PSNATCH, and BASHNATCH. The activity has been codenamed Operation…
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Home Office challenged on ‘farcical’ secrecy over Apple ‘backdoor’ order
UK government argues that national security would be damaged if it departs from ‘neither confirm nor deny policy’ on Apple ‘backdoor’ notice First seen on computerweekly.com Jump to article: www.computerweekly.com/news/366650612/Home-Office-challenged-on-farcical-secrecy-over-Apple-backdoor-order
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Iran-Linked Handala Hack Tied to HEAVYGRAM Telegram Backdoor That Can Steal Passwords
The Iran-linked “hacktivist” persona known as Handala Hack has been attributed to a Telegram-based surveillance backdoor called HEAVYGRAM and a Delphi-based utility known as CRUDEEXCLUDE.”HEAVYGRAM offers builtin commands supporting remote command execution, system, network and process information discovery, data and Telegram session files exfiltration, screenshot capture, DLL sideloading, First seen on thehackernews.com Jump to article:…
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China’s FamousSparrow APT Spies on US Politics in Latin America
Amid the US and China’s fight for eco-colonial influence in Latin America, a stealthy backdoor has taken flight. First seen on darkreading.com Jump to article: www.darkreading.com/cyberattacks-data-breaches/china-famoussparrow-spies-latin-america
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China’s FamousSparrow hackers target Latin America with new backdoor
Alleged Chinese hackers are breaking into government agencies across Latin America using a new backdoor that researchers are calling “SparroWocky.” First seen on therecord.media Jump to article: therecord.media/china-hackers-latin-america-espionage