Tag: backdoor
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ThreatsDay Bulletin: Pre-Auth Chains, Android Rootkits, CloudTrail Evasion & 10 More Stories
The latest ThreatsDay Bulletin is basically a cheat sheet for everything breaking on the internet right now. No corporate fluff or boring lectures here, just a quick and honest look at the messy reality of keeping systems safe this week.Things are moving fast. The list includes researchers chaining small bugs together to create massive backdoors,…
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WhatsApp Attack Chain Delivers VBS, Cloud Payloads, MSI Backdoor
A new malware campaign that abuses WhatsApp messages to deliver malicious Visual Basic Script (VBS) files to Windows users, enabling persistent remote access through unsigned MSI installers. The campaign starts with WhatsApp messages carrying VBS attachments that appear benign but execute as scripts when opened on Windows. Once launched, the initial script creates hidden folders…
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Ethereum-Based EtherRAT, EtherHiding Power Stealthy Malware Campaigns
Hackers are abusing the Ethereum blockchain to hide and control a new Node.js backdoor called EtherRAT, using a stealthy technique known as EtherHiding to make their command”‘and”‘control (C2) infrastructure difficult to disrupt. EtherRAT, previously profiled by Sysdig and linked to North Korean “Contagious Interview” activity, is a Node.js backdoor that lets attackers run arbitrary commands,…
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WhatsApp malware campaign uses malicious VBS files to gain persistent access
MSI as the backdoor vehicle for persistence: The final stages of the campaign lead to persistence, using Microsoft Installer (MSI) packages as the delivery mechanism for backdoors.MSI files are an effective choice as they are not usually treated as inherently suspicious and can execute custom actions during installation. In this campaign, they are used to…
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North Korean Hackers Breach Axios Package, Target Windows, macOS, and Linux Systems
A North Koreanexus threat actor has hijacked the popular Axios NPM package in a high”‘impact software supply chain attack that can silently backdoor Windows, macOS, and Linux systems. Between March 31, 2026, 00:21 and 03:20 UTC, attackers used a compromised maintainer account to push backdoored Axios releases 1.14.1 and 0.30.4 to NPM. The attackers changed…
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North Korean Hackers Breach Axios Package, Target Windows, macOS, and Linux Systems
A North Koreanexus threat actor has hijacked the popular Axios NPM package in a high”‘impact software supply chain attack that can silently backdoor Windows, macOS, and Linux systems. Between March 31, 2026, 00:21 and 03:20 UTC, attackers used a compromised maintainer account to push backdoored Axios releases 1.14.1 and 0.30.4 to NPM. The attackers changed…
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PyPI Telnyx Python SDK Backdoored to Steal Credentials on Windows, macOS, and Linux
Telnyx Python SDK on PyPI, using a multi”‘stage WAV steganography payload to steal credentials across Windows, macOS, and Linux systems. The backdoor lives in telnyx/_client.py and is triggered at module scope, so simply importing telnyx is enough to execute the payload before any application code runs. The rogue releases remained available for roughly 6.5 hours before PyPI quarantined them…
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Why Kubernetes controllers are the perfect backdoor
Tags: access, api, automation, backdoor, compliance, container, control, kubernetes, malicious, mitre, service, threatFigure 1: Anatomy of a controller-based attack. The malicious webhook intercepts legitimate pod creation requests and injects a backdoor sidecar before the object is persisted to etcd. Niranjan Kumar Sharma As illustrated in Figure 1, this webhook acts as a controller. Every time a legitimate pod is created (e.g., a payment service), the API server sends…
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Hochentwickelte PlugX-Malware nutzt Nahostkonflikt als Lockmittel
Seit dem 1. März 2026 beobachten die Zscaler Sicherheitsexperten von ThreatLabz eine neue Angriffswelle mit einer Variante der berüchtigten PlugX-Backdoor Malware First seen on infopoint-security.de Jump to article: www.infopoint-security.de/hochentwickelte-plugx-malware-nutzt-nahostkonflikt-als-lockmittel/a44369/
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Digitale Schläferzellen: Versteckte Linux-Malware in Telko-Netzwerken entdeckt
Forscher haben Netze von Telko-Providern untersucht und eine versteckte Backdoor-Malware gefunden. Hacker sollen damit Spionage betreiben. First seen on golem.de Jump to article: www.golem.de/news/digitale-schlaeferzellen-versteckte-linux-malware-in-telko-netzwerken-entdeckt-2603-207004.html
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Espionage campaign targets telecom with stealthy Linux-based backdoor
A China-nexus actor has been able to gain long-term access in a bid to gather intel on government agencies and critical infrastructure providers. First seen on cybersecuritydive.com Jump to article: www.cybersecuritydive.com/news/espionage-campaign-telecom-linux-backdoor-China/815978/
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Hackers Target South Asian Financial Firm with BRUSHWORM and BRUSHLOGGER Attacks
A South Asian financial institution has been hit by a custom malware toolkit combining a modular backdoor, dubbed BRUSHWORM, and a DLL side”‘loaded keylogger known as BRUSHLOGGER. The attackers relied on a backdoor initially named paint.exe and a keylogger masquerading as libcurl.dll, both of which lacked advanced packing or obfuscation. BRUSHWORM acts as the primary implant, handling…
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Hackers Deploy USB Malware, RATs, and Stealers in Southeast Asian Government Attacks
A multi-cluster cyberespionage operation in which attackers used USB-propagated malware, multiple RATs, loaders, and a custom stealer to target a Southeast Asian government organization between June and August 2025. Analysts initially observed USB-borne malware dubbed USBFect (also known as HIUPAN), which spreads through removable drives and deploys the PUBLOAD backdoor for lateral movement. Further telemetry revealed two…
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Hackers Implant Stealthy BPFdoor Backdoors in Telecom Networks for Persistent Access
A China-nexus threat actor known as Red Menshen is planting stealthy backdoors deep inside global telecommunications networks. According to a recent investigation by Rapid7 Labs, this long-term espionage campaign utilises a highly evasive Linux kernel malware called BPFdoor. Instead of launching noisy, disruptive attacks, these hackers are building dormant sleeper cells in the telecom backbone.…
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China Upgrades the Backdoor It Uses to Spy on Telcos Globally
Chinese APT Red Menshen’s super-advanced BPFdoor malware defeats traditional cybersecurity protections. All telcos can do, really, is try hunting it down. First seen on darkreading.com Jump to article: www.darkreading.com/threat-intelligence/china-upgrades-backdoor-spy-telcos
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LiteLLM Hit in Cascading Supply-Chain Attack
Stolen Credentials From Trivy Breach Let Hackers Push Malware to PyPI. Threat group TeamPCP exploited credentials stolen in the Trivy breach to push malicious versions of LiteLLM to PyPI, exposing developers to credential theft, persistent backdoors and lateral movement tools within hours of publication. First seen on govinfosecurity.com Jump to article: www.govinfosecurity.com/litellm-hit-in-cascading-supply-chain-attack-a-31210
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Hochentwickelte PlugXKampagne nutzt den aktuellen Nahostkonflikt als Köder
Kurz nach dem Aufflammen der kriegerischen Auseinandersetzungen in der Region des Persischen Golfs machten sich Bedrohungsakteure diesen Konflikt bereits für eine virtuelle Angriffskampagne zunutze. Die Sicherheitsexperten von Threatlabz beobachten seit dem 1. März 2026 einen neuen Cyberangriff zur Auslieferung einer PlugX-Backdoor-Variante. Aufbauend auf den aufgedeckten Tools, Techniken und Prozessen der Multi-Stage-Kampagne schreiben die Analysten des…
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Silver Fox Tax Audit Phishing Campaign Shifts from RATs to Python Stealers
Tags: apt, backdoor, china, cyber, cybercrime, exploit, group, intelligence, monitoring, phishing, rat, threat, vulnerabilityThreat intelligence teams have tracked Silver Fox (also known as Void Arachne), a China-based intrusion set that sits at the intersection of financially motivated cybercrime and APT-style espionage. Originally associated with large-scale, profit-driven campaigns, the group has steadily adopted more advanced tradecraft, including modular backdoors, rootkits, and the exploitation of vulnerable drivers. TDR’s monitoring between…
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Fake Screenshot Lures Target Web3 Support Staff with Multi-Stage Malware Attack
Fake screenshot links are being used to quietly deploy a multi”‘stage backdoor against Web3 customer support teams, in a campaign assessed to be linked to the Chinese financially motivated group APT”‘Q”‘27 (GoldenEyeDog). The operation abuses live chat workflows, signed .NET loaders, AWS S3 dead drops, and DLL sideloading to land a memory”‘resident Farfli backdoor that…
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When Data Mining Conti Leaks Leads to Actual Binaries and to a Hardcoded C2 With an Encryption Key on Tripod.com Part Five
Tags: backdoor, control, data, detection, encryption, infrastructure, leak, malicious, malware, network, resilience, software, windowsDear blog readers, Continuing the “When Data Mining Conti Leaks Leads to Actual Binaries and to a Hardcoded C2 With an Encryption Key on Tripod.com – Part Four” blog post series in this post I’ll continue analyzing the next malicious software binary which I obtained by data mining Conti Leaks with a lot of success. …
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TeamPCP Backdoors LiteLLM Versions 1.82.71.82.8 via Trivy CI/CD Compromise
TeamPCP, the threat actor behind the recent compromises of Trivy and KICS, has now compromised a popular Python package named litellm, pushing two malicious versions containing a credential harvester, a Kubernetes lateral movement toolkit, and a persistent backdoor.Multiple security vendors, including Endor Labs and JFrog, revealed that litellm versions 1.82.7 and 1.82.8 were published on…
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TeamPCP Backdoors LiteLLM Versions 1.82.71.82.8 Likely via Trivy CI/CD Compromise
TeamPCP, the threat actor behind the recent compromises of Trivy and KICS, has now compromised a popular Python package named litellm, pushing two malicious versions containing a credential harvester, a Kubernetes lateral movement toolkit, and a persistent backdoor.Multiple security vendors, including Endor Labs and JFrog, revealed that litellm versions 1.82.7 and 1.82.8 were published on…
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TeamPCP Unleashes Iran-Targeted CanisterWorm Kubernetes Wiper
CanisterWorm’s latest evolution turns TeamPCP’s cloud-native toolkit into a geopolitically tuned wiper, capable of bricking entire Kubernetes clusters when it lands on systems configured for Iran. The campaign reuses the same Internet Computer Protocol (ICP) canister C2 and backdoor infrastructure seen in the earlier Trivy and NPM CanisterWorm incidents. However, it now adds selective destruction…
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âš¡ Weekly Recap: CI/CD Backdoor, FBI Buys Location Data, WhatsApp Ditches Numbers & More
Another week, another reminder that the internet is still a mess. Systems people thought were secure are being broken in simple ways, showing many still ignore basic advisories.This edition covers a mix of issues: supply chain attacks hitting CI/CD setups, long-abused IoT devices being shut down, and exploits moving quickly from disclosure to real attacks.…
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âš¡ Weekly Recap: CI/CD Backdoor, FBI Buys Location Data, WhatsApp Ditches Numbers & More
Another week, another reminder that the internet is still a mess. Systems people thought were secure are being broken in simple ways, showing many still ignore basic advisories.This edition covers a mix of issues: supply chain attacks hitting CI/CD setups, long-abused IoT devices being shut down, and exploits moving quickly from disclosure to real attacks.…
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Supply-Chain-Attacke: Trivy-Scanner und 140 NPM-Pakete kompromittiert
Ein Angreifer hat Malware in den Schwachstellenscanner Trivy sowie über 140 NPM-Pakete eingeschleust. Er sammelt Daten und richtet Backdoors ein. First seen on golem.de Jump to article: www.golem.de/news/supply-chain-attacke-trivy-scanner-und-140-npm-pakete-kompromittiert-2603-206808.html
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CanisterWorm Hijacks npm Publisher Accounts, Steals Tokens
A highly automated npm supply chain campaign, dubbed “CanisterWorm,” in which threat actors steal npm access tokens and weaponize legitimate publisher accounts at scale. The group, tracked as “TeamPCP,” has compromised trusted namespaces including @emilgroup and @teale.io, pushing new SDK versions that silently deploy a persistent backdoor and then self-spread across every package the victim…
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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 89
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter New Payload ransomware malware analysis DRILLAPP: new backdoor targeting Ukrainian entities with possible links to Laundry Bear When Trusted Websites Turn Malicious: WordPress Compromises Advance Global Stealer Operation AI Coding Tools Under Fire: […]…
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Texas Gov. Orders State Review of Chinese-Made Medtech
Contec and Epsimed Monitors Containing ‘Backdoors’ Are at the Center of Order. Texas Gov. Abbott has ordered agencies to review foreign-made connected medical devices – especially those from Chinese manufacturers – used in state-owned facilities for cybersecurity issues that could pose security and privacy risks to patients and healthcare infrastructure. First seen on govinfosecurity.com Jump…