Tag: backdoor
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Zugangsdaten geleakt: Backdoor zur IT von 200 Flughäfen entdeckt
Forscher haben im Darknet Zugangsdaten eines IT-Dienstleisters gefunden. Damit hätten wichtige Flughafensysteme lahmgelegt werden können. First seen on golem.de Jump to article: www.golem.de/news/zugangsdaten-geleakt-backdoor-zur-it-von-200-flughaefen-entdeckt-2602-205333.html
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Notepad++ lieferte monatelang Backdoors statt Updates – Notepad++-Super-GAU: Wie das Admin-Tool zur APT-Waffe wurde
First seen on security-insider.de Jump to article: www.security-insider.de/notepad-plus-plus-super-gau-apt-backdoor-a-5db1240aced2e8b2a1b4739eea71cf01/
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Fancy Bear Exploits Microsoft Zero-Day to Deploy Backdoors and Email Stealers
Fancy Bear has launched a sophisticated campaign exploiting a critical zero-day vulnerability in Microsoft RTF files to target users across Central and Eastern Europe. The operation, dubbed >>Operation Neusploit,<< demonstrates the group's continued evolution in tradecraft and its strategic focus on regions of geopolitical interest to Russia. The group embedded malicious code within specially crafted…
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Threat Actors Using Ivanti EPMM Flaws to Install Stealth Backdoors
A sophisticated new cyber campaign has been detected targeting Ivanti Endpoint Manager Mobile (EPMM) systems. Starting on February 4, 2026, threat actors began exploiting two critical vulnerabilities, CVE-2026-1281 and CVE-2026-1340, to plant dormant backdoors. Unlike typical attacks that immediately steal data or deploy ransomware, this campaign focuses on silence and persistence. Stealth Backdoors The attackers…
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âš¡ Weekly Recap: AI Skill Malware, 31Tbps DDoS, Notepad++ Hack, LLM Backdoors and More
Cyber threats are no longer coming from just malware or exploits. They’re showing up inside the tools, platforms, and ecosystems organizations use every day. As companies connect AI, cloud apps, developer tools, and communication systems, attackers are following those same paths.A clear pattern this week: attackers are abusing trust. Trusted updates, trusted marketplaces, trusted apps,…
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DKnife targets network gateways in long running AitM campaign
Indicators point to China-Nexus development and targeting: Several aspects of DKnife’s design and operation suggested ties to China-aligned threat actors. Talos identified configuration data and code comments written in Simplified Chinese, as well as handling logic tailored for Chinese-language email providers and mobile applications.The framework was also found to enable credential collection from services used…
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DKnife targets network gateways in long running AitM campaign
Indicators point to China-Nexus development and targeting: Several aspects of DKnife’s design and operation suggested ties to China-aligned threat actors. Talos identified configuration data and code comments written in Simplified Chinese, as well as handling logic tailored for Chinese-language email providers and mobile applications.The framework was also found to enable credential collection from services used…
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Vortex Werewolf Targets Organizations With Tor-Enabled RDP, SMB, SFTP, and SSH Backdoors
A threat cluster tracked as >>Vortex Werewolf<< (also known as SkyCloak) has been observed targeting Russian government and defense organizations. The attack begins not with a typical malicious attachment, but with a highly credible phishing link. Vortex Werewolf distributes URLs that masquerade as legitimate Telegram file-sharing resources. These links, often hosted on domains designed to…
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New APT group breached gov and critical infrastructure orgs in 37 countries
Tags: apt, backdoor, computer, control, espionage, finance, framework, government, group, infrastructure, linux, malware, monitoring, network, software, threat, tool, usa, vulnerabilityA complex toolset of implants: In addition to Cobalt Strike, the group uses various other malware payloads and command-and-control (C2) frameworks, including VShell, Havoc, SparkRat, and Sliver. On compromised web servers, the attackers deploy a variety of web shells, including Behinder, Neo-reGeorg, and Godzilla.On Linux servers the group has been seen deploying a rootkit dubbed…
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New APT group breached gov and critical infrastructure orgs in 37 countries
Tags: apt, backdoor, computer, control, espionage, finance, framework, government, group, infrastructure, linux, malware, monitoring, network, software, threat, tool, usa, vulnerabilityA complex toolset of implants: In addition to Cobalt Strike, the group uses various other malware payloads and command-and-control (C2) frameworks, including VShell, Havoc, SparkRat, and Sliver. On compromised web servers, the attackers deploy a variety of web shells, including Behinder, Neo-reGeorg, and Godzilla.On Linux servers the group has been seen deploying a rootkit dubbed…
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Microsoft develops a new scanner to detect hidden backdoors in LLMs
Effectiveness of the scanner: Microsoft said the scanner does not require retraining models or prior knowledge of backdoor behavior and operates using forward passes only, avoiding gradient calculations or backpropagation to keep computing costs low.The company also said it works with most causal, GPT-style language models and can be used across a wide range of…
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OpenClaw or Open Door? Prompt Injection Creates AI Backdoors
Zenity researchers show how indirect prompt injection can turn OpenClaw into a persistent AI backdoor without exploiting a software flaw. First seen on esecurityplanet.com Jump to article: www.esecurityplanet.com/threats/openclaw-or-open-door-prompt-injection-creates-ai-backdoors/
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Microsoft Develops Scanner to Detect Backdoors in Open-Weight Large Language Models
Microsoft on Wednesday said it built a lightweight scanner that it said can detect backdoors in open-weight large language models (LLMs) and improve the overall trust in artificial intelligence (AI) systems.The tech giant’s AI Security team said the scanner leverages three observable signals that can be used to reliably flag the presence of backdoors while…
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TAMECAT Exposed: APT42’s Fileless Backdoor Targets Defense Chiefs
The post TAMECAT Exposed: APT42’s Fileless Backdoor Targets Defense Chiefs appeared first on Daily CyberSecurity. First seen on securityonline.info Jump to article: securityonline.info/tamecat-exposed-apt42s-fileless-backdoor-targets-defense-chiefs/
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HoneyMyte Hacker Group Expands CoolClient Malware With New Advanced Toolset
The HoneyMyte APT group, also known as Mustang Panda and Bronze President, continues expanding its cyber-espionage operations across Asia and Europe, with Southeast Asia being the most heavily targeted region. Recent investigations reveal that the group has significantly enhanced its malware arsenal during 2025, introducing new capabilities to the CoolClient backdoor and deploying multiple browser…
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Frequently Asked Questions About Notepad++ Supply Chain Compromise
Tags: advisory, attack, backdoor, china, credentials, cve, cyber, cybercrime, defense, espionage, government, group, Hardware, infrastructure, malware, ransomware, security-incident, service, software, supply-chain, threat, update, vulnerability, windowsThreat actors compromised the update infrastructure for Notepad++, redirecting traffic to an attacker controlled site for targeted espionage purposes. Key takeaways: Beginning in June 2025, threat actors compromised the infrastructure Notepad++ uses to distribute software updates. The issue has been addressed and Notepad++ have released 8.9.1 which now includes XML signature validation (XMLDSig) for security…
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Compromise of Notepad++ Equals Software Supply Chain Fallout
Tags: attack, backdoor, china, exploit, group, infrastructure, open-source, software, supply-chain, vulnerability, windowsHacked Infrastructure Delivered Chinese Nation-State Group’s Backdoor, Experts Warn. The widely used, open source text-editing software Notepad++ for Windows said attackers exploited a vulnerability to redirect some users to sites that pushed a backdoor onto their system. Security experts have tied the attack to a broader campaign perpetrated by Chinese nation-state actors. First seen on…
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Notepad++ infrastructure hijacked by Chinese APT in sophisticated supply chain attack
Rapid7 identifies custom malware: Cybersecurity firm Rapid7 also published a detailed technical analysis corroborating Ho’s disclosure and identifying the attack as part of a broader campaign deploying previously undocumented malware. Rapid7’s investigation uncovered a custom backdoor the firm dubbed “Chrysalis,” alongside Cobalt Strike and Metasploit frameworks.”Forensic analysis conducted by the MDR team suggests that the…
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Abuse of OpenClaw AI Capabilities Enables Stealthy Malware Campaigns
Tags: ai, attack, automation, backdoor, cyber, malicious, malware, marketplace, skills, supply-chain, threatHundreds of malicious skills are distributed through OpenClaw’s marketplace, transforming the popular AI agent ecosystem into a new supply chain attack vector. Threat actors are weaponizing the platform’s extensibility features to deliver droppers, backdoors, and infostealers disguised as legitimate automation tools.”‹ OpenClaw Skills Become Malware Distribution Channel OpenClaw is a self-hosted AI agent that executes…
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Notepad++ Attack Breakdown Reveals Sophisticated Malware and Actionable IoCs
A complex espionage campaign attributed to Chinese APT group Lotus Blossom, active since 2009. The investigation uncovered a sophisticated compromise of Notepad++ distribution infrastructure that delivered Chrysalis, a previously undocumented custom backdoor with extensive remote access capabilities. The attack chain began at IP address 95.179.213.0, where execution of notepad++.exe and GUP.exe preceded download of a…
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Shai-Hulud & Co.: The software supply chain as Achilles’ heel
Tags: access, ai, application-security, attack, backdoor, ciso, cloud, credentials, cyber, github, Hardware, identity, infrastructure, kritis, kubernetes, malicious, network, nis-2, programming, risk, rust, sbom, software, strategy, supply-chain, threat, tool, vulnerability, wormThe polyglot supply chain attack: The most frightening prospect, however, is the convergence of these threats in a polyglot supply chain attack. Currently, security teams operate in isolation. AppSec monitors the code, CloudSec monitors the cloud, NetworkSec monitors the perimeter. A polyglot attack is designed to seamlessly break through these silos.This happens as follows: A…
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APT28 Leverages CVE-2026-21509 in Operation Neusploit
IntroductionIn January 2026, Zscaler ThreatLabz identified a new campaign in-the-wild, tracked as Operation Neusploit, targeting countries in the Central and Eastern European region. In this campaign, the threat actor leveraged specially crafted Microsoft RTF files to exploit CVE-2026-21509 and deliver malicious backdoors in a multi-stage infection chain. Due to significant overlaps in tools, techniques, and procedures (TTPs)…
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Notepad++ Hosting Breach Attributed to China-Linked Lotus Blossom Hacking Group
A China-linked threat actor known as Lotus Blossom has been attributed with medium confidence to the recently discovered compromise of the infrastructure hosting Notepad++.The attack enabled the state-sponsored hacking group to deliver a previously undocumented backdoor codenamed Chrysalis to users of the open-source editor, according to new findings from Rapid7.The development comes shortly First seen…
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Notepad++ hijacking blamed on Chinese Lotus Blossom crew behind Chrysalis backdoor
The group targets telecoms, critical infrastructure – all the usual high-value orgs First seen on theregister.com Jump to article: www.theregister.com/2026/02/02/notepad_hijacking_lotus_blossom/
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PeckBirdy Hackers Abuse LOLBins Across Environments to Deploy Advanced Malware
A sophisticated JScript-based command-and-control framework, PeckBirdy, since 2023, exploiting living-off-the-land binaries (LOLBins) to deliver modular backdoors across diverse execution environments. The framework has been observed in two coordinated campaigns, SHADOW-VOID-044 and SHADOW-EARTH-045, targeting Chinese gambling industries, Asian government entities, and private organizations with advanced malware, including HOLODONUT and MKDOOR backdoors. PeckBirdy distinguishes itself through its…
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PeckBirdy Hackers Abuse LOLBins Across Environments to Deploy Advanced Malware
A sophisticated JScript-based command-and-control framework, PeckBirdy, since 2023, exploiting living-off-the-land binaries (LOLBins) to deliver modular backdoors across diverse execution environments. The framework has been observed in two coordinated campaigns, SHADOW-VOID-044 and SHADOW-EARTH-045, targeting Chinese gambling industries, Asian government entities, and private organizations with advanced malware, including HOLODONUT and MKDOOR backdoors. PeckBirdy distinguishes itself through its…
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Startup Amutable plotting Linux security overhaul to counter hacking threats
Tags: attack, backdoor, ceo, cloud, computer, computing, container, cve, cybercrime, data, exploit, fortinet, hacking, infrastructure, kubernetes, linux, microsoft, open-source, skills, software, startup, supply-chain, technology, threat, tool, training, vpn, vulnerabilitysystemd, he has alongside him two other ex-Microsoft employees, Chris Kühl as CEO, and Christian Brauner as CTO.A clue to Amutable’s plans lies in the announcement’s emphasis on some of its founders’ backgrounds in Kubernetes, runc, LXC, Incus, and containerd, all connected in different ways to the Linux container stack. Computing is full of security…