Tag: backdoor
-
New Keenadu backdoor found in Android firmware, Google Play apps
A newly discovered and sophisticated Android malware called Keenadu has been found embedded in firmware from multiple device brands, enabling it to compromise all installed applications and gain unrestricted control over infected devices. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/new-keenadu-backdoor-found-in-android-firmware-google-play-apps/
-
New Keenadu backdoor found in Android firmware, Google Play apps
A newly discovered and sophisticated Android malware called Keenadu has been found embedded in firmware from multiple device brands, enabling it to compromise all installed applications and gain unrestricted control over infected devices. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/new-keenadu-backdoor-found-in-android-firmware-google-play-apps/
-
Firmware-level Android backdoor found on tablets from multiple manufacturers
A new Android backdoor embedded directly in device firmware can quietly take control of apps and harvest data, Kaspersky researchers found. The malware, named Keenadu, was … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/02/17/firmware-level-android-backdoor-keenadu-tablets/
-
10 years later, Bangladesh Bank cyberheist still offers cyber-resiliency lessons
Tags: access, ai, application-security, attack, automation, backdoor, banking, ceo, cisco, ciso, compliance, control, credentials, crypto, cyber, cybercrime, cybersecurity, data-breach, defense, detection, endpoint, exploit, finance, fintech, firewall, framework, infrastructure, intelligence, international, malware, monitoring, network, north-korea, oracle, password, risk, service, software, theft, threat, tool, vulnerabilitySecurity shortcomings: Adrian Cheek, senior cybercrime researcher at threat exposure management firm Flare, said the Bangladesh Bank heist was possible because of a number of security shortcomings, including a failure to air gap critical infrastructure.”The Bank of Bangladesh had four servers and the same number of desktops connected to SWIFT,” Cheek says. “This infrastructure, however,…
-
NDSS 2025 PBP: Post-Training Backdoor Purification For Malware Classifiers
Session 12B: Malware Authors, Creators & Presenters: Dung Thuy Nguyen (Vanderbilt University), Ngoc N. Tran (Vanderbilt University), Taylor T. Johnson (Vanderbilt University), Kevin Leach (Vanderbilt University) PAPER PBP: Post-Training Backdoor Purification for Malware Classifiers In recent years, the rise of machine learning (ML) in cybersecurity has brought new challenges, including the increasing threat of backdoor…
-
NDSS 2025 PBP: Post-Training Backdoor Purification For Malware Classifiers
Session 12B: Malware Authors, Creators & Presenters: Dung Thuy Nguyen (Vanderbilt University), Ngoc N. Tran (Vanderbilt University), Taylor T. Johnson (Vanderbilt University), Kevin Leach (Vanderbilt University) PAPER PBP: Post-Training Backdoor Purification for Malware Classifiers In recent years, the rise of machine learning (ML) in cybersecurity has brought new challenges, including the increasing threat of backdoor…
-
Feiniu NAS Devices Hit in Massive Netdragon Botnet Attack Exploiting Unpatched Vulnerabilities
Tags: attack, backdoor, botnet, cyber, ddos, exploit, infrastructure, malware, network, vulnerabilityFeiniu fnOS network-attached storage (NAS) devices have been pulled into a large Netdragon botnet after attackers exploited still-unpatched vulnerabilities, turning home and small”‘business storage into infrastructure for DDoS attacks.”‹ The malware opens an HTTP backdoor on port 57132, letting attackers run arbitrary system commands remotely via crafted GET requests to the /api path. Using traffic fingerprints from…
-
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
-
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/
-
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…
-
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…
-
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,…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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/
-
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…
-
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/
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…