Tag: dns
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Hackers exploit a blind spot by hiding malware inside DNS records
Technique transforms the Internet DNS into an unconventional file storage system. First seen on arstechnica.com Jump to article: arstechnica.com/security/2025/07/hackers-exploit-a-blind-spot-by-hiding-malware-inside-dns-records/
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DNS over HTTPS Windows: So geht’s ganz einfach
Unser DoH Windows-Guide: Endlich mehr Privatsphäre ohne VPN Schritt für Schritt und in nur wenigen Minuten erklärt und ausgeführt. First seen on tarnkappe.info Jump to article: tarnkappe.info/tutorials/dns-over-https-windows-so-gehts-ganz-einfach-317575.html
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Echtzeitüberwachung von DNS-Assets in Multicloud-Umgebungen – DNS Posture Management gegen DNS-basierte Angriffe
First seen on security-insider.de Jump to article: www.security-insider.de/dns-posture-management-gegen-dns-basierte-angriffe-a-a0c8723ed607bdcbe1097548686b3e12/
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DNS issue blocks delivery of Exchange Online OTP codes
Microsoft is working to fix a DNS misconfiguration that is causing one-time passcode (OTP) message delivery failures in Exchange Online for some users. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-links-dns-issue-to-exchange-online-otp-delivery-failures/
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DNS-Sperren umgehen Firefox im Juni 2025
DNS-Sperren umgehen beim Firefox. So richtest du DNS über HTTPS ein, schützt deine Privatsphäre und surfst zensurfrei. Stand Juni 2025. First seen on tarnkappe.info Jump to article: tarnkappe.info/tutorials/dns-sperren-umgehen-firefox-im-juni-2025-317053.html
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Black Hat SEO Poisoning Search Engine Results For AI to Distribute Malware
IntroductionZscaler ThreatLabz researchers recently uncovered AI-themed websites designed to spread malware. The threat actors behind these attacks are exploiting the popularity of AI tools like ChatGPT and Luma AI. These websites are utilizing platforms such as WordPress and are designed to poison search engine rankings and increase the probability of unsuspecting users landing on these…
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NCSC Warns of SHOE RACK Malware Targeting Fortinet Firewalls via DOH SSH Protocols
The National Cyber Security Centre (NCSC) has issued a critical alert regarding a newly identified malware, dubbed SHOE RACK, which has been observed targeting Fortinet firewalls and other perimeter devices. Developed using the Go 1.18 programming language, this malicious software demonstrates a high level of sophistication by leveraging DNS-over-HTTPS (DoH) for command and control (C2)…
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DNS-Sperren umgehen bei Brave und Google Chrome im Handumdrehen
Wer unbeschwert surfen und dabei alle Einschränkungen durch Websperren umgehen will, bekommt für Google Chrome und Brave nun eine Anleitung. First seen on tarnkappe.info Jump to article: tarnkappe.info/tutorials/dns-sperren-umgehen-bei-brave-und-google-chrome-im-handumdrehen-316914.html
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Uncovering the Technique of Hiding Images in DNS TXT Entries
A curious technique has emerged: hiding images inside DNS TXT records. This approach, which at first glance seems unorthodox, leverages the flexibility of DNS TXT records to store arbitrary data, including the binary data that makes up an image. The method has gained attention among tech enthusiasts and security researchers, sparking discussions on platforms like Reddit…
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DNS Rebind Protection Revisited
After this week’s attention to META and Yandex localhost abuses, it is time to revisit a core feature/option of protective DNS that offers a feel-good moment to those that applied this safety technique long before this abuse report came about. The in-depth report that triggered this is: Disclosure: Covert Web-to-App Tracking via Localhost on Android.…
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Technitium DNS: Der Geheimtipp unter den Adblockern
Tags: dnsTechnitium DNS als Adblocker: So blockierst du Werbung & Tracking auf DNS-Ebene. Mehr Speed, besserer Datenschutz und mehr Kontrolle? 3x Ja! First seen on tarnkappe.info Jump to article: tarnkappe.info/test/technitium-dns-der-geheimtipp-unter-den-adblockern-316424.html
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CoreDNS Vulnerability Allows Attackers to Exhaust Server Memory via Amplification Attack
A high-severity vulnerability (CVE-2025-47950) in CoreDNS’s DNS-over-QUIC (DoQ) implementation enables remote attackers to crash DNS servers through stream amplification attacks. Patched in v1.21.2, this flaw highlights risks in modern protocol adoption for cloud-native systems Goroutine Proliferation in DoQ Implementation The vulnerability stems from CoreDNS’s handling of QUIC streams in its server_quic.go component. For every incoming…
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Why DNS Security Is Your First Defense Against Cyber Attacks?
In today’s cybersecurity landscape, much of the focus is placed on firewalls, antivirus software, and endpoint detection. While these tools are essential, one critical layer often goes overlooked: the Domain Name System (DNS). As the starting point of nearly every online interaction, DNS is not only foundational – it’s increasingly a target. When left unsecured,…
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DNS4EU: DNS für EU-Bürger geht online
Erste Tests zeigen, dass der neue in Europa gehostete DNS mit Google und Cloudflare mithalten kann. Es gibt Optionen mit Jugendschutzfilter. First seen on golem.de Jump to article: www.golem.de/news/dns4eu-dns-fuer-eu-buerger-geht-online-2506-197010.html
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EU launches EU-based, privacy-focused DNS resolution service
DNS4EU, an EU-based DNS resolution service created to strengthen European Union’s digital sovereignty, has become reality. What is DNS? The Domain Name System (DNS) … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2025/06/09/eu-launches-eu-based-privacy-focused-dns-resolution-service/
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Critical FreeRTOS-Plus-TCP Flaw Allows Code Execution or System Crash
A critical memory corruption vulnerability, tracked as CVE-2025-5688, has been disclosed in FreeRTOS-Plus-TCP, Amazon’s open-source TCP/IP stack widely used in embedded and IoT devices. The flaw, rated 8.4 (High) on the CVSS scale, is rooted in how the stack processes Link-Local Multicast Name Resolution (LLMNR) and Multicast DNS (mDNS) queries containing excessively long DNS names,…
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Akamai Extends Cybersecurity Reach to DNS Posture Management
Akamai this week launched an agentless posture management offering that provides visibility across multiple domain name servers (DNS) platforms. Sean Lyons, senior vice president and general manager for infrastructure security solutions and services at Akamai, said Akamai DNS Posture Management provides real-time monitoring and guided remediation across all major DNS platforms and services in a..…
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#Infosec2025: DNS Hijacking, A Major Cyber Threat for the UK Government
During Infosecurity Europe 2025, Nick Woodcraft, from the UK Government, shared his experience in implementing measures to protect domains within the .gov.uk DNS namespace First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/infosec2025-dns-hijacking-uk/
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ThreatPlattformen ein Kaufratgeber
Tags: ai, attack, automation, breach, cisa, cloud, crowdstrike, cyber, cyberattack, dark-web, deep-fake, dns, edr, exploit, finance, firewall, gartner, identity, incident response, intelligence, mail, malware, monitoring, network, open-source, phishing, risk, siem, soar, soc, threat, tool, vulnerability, zero-dayThreat-Intelligence-Plattformen erleichtern es, Bedrohungen zu durchdringen und wirksame Abwehrmaßnahmen zu ergreifen.Der erste Schritt zu einem soliden Enterprise-Security-Programm besteht darin, eine geeignete Threat-Intelligence-Plattform (TIP) auszuwählen. Fehlt eine solche Plattform, haben die meisten Security-Teams keine Möglichkeit, Tool-Komponenten miteinander zu integrieren und angemessene Taktiken und Prozesse zu entwickeln, um Netzwerke, Server, Applikationen und Endpunkte abzusichern. Aktuelle Bedrohungstrends machen…
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Unmasking ECH: Why DNSthe-Root-of-Trust Holds the Key to Secure Connectivity
Encrypted Client Hello (ECH) has been in the news a lot lately. For some background and relevant and recent content, see: IETF Proposed Standard Cloudflare Blog from 2023 announcing ECH support RSA 2025 talk: ECH: Hello to Enhanced Privacy or Goodbye to Visibility? Corrata White Paper “Living with ECH” Security Now podcast coverage of the…
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‘Secure email’: A losing battle CISOs must give up
End-to-end encryption remains elusive: Email continues to be the dominant electronic communication tool today because it is well understood, relatively easy to use, and relatively inexpensive. By and large, businesses have approved email for sending confidential information, and we often convince ourselves that it is secure, can be secured with third-party tools, or it’s “good…
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60 Malicious npm Packages Exfiltrate Hostnames, IP Addresses, and DNS Server Details
A Socket’s Threat Research Team has revealed a sophisticated and ongoing campaign targeting the npm ecosystem, involving 60 malicious packages published under three distinct accounts: bbbb335656, cdsfdfafd49Group2436437, and sdsds656565. First detected just eleven days ago, with the latest package appearing mere hours before this report, these packages embed a covert script that activates during the…
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Over 70 Malicious npm and VS Code Packages Found Stealing Data and Crypto
As many as 60 malicious npm packages have been discovered in the package registry with malicious functionality to harvest hostnames, IP addresses, DNS servers, and user directories to a Discord-controlled endpoint.The packages, published under three different accounts, come with an install”‘time script that’s triggered during npm install, Socket security researcher Kirill Boychenko said in a…
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Zero-Trust Policy Bypass Enables Exploitation of Vulnerabilities and Manipulation of NHI Secrets
Tags: attack, cve, cyber, data-breach, dns, exploit, identity, infrastructure, vulnerability, zero-trustA new project has exposed a critical attack vector that exploits protocol vulnerabilities to disrupt DNS infrastructure, manipulate Non-Human Identity (NHI) secrets, and ultimately bypass zero-trust security frameworks. This research, conducted in a controlled lab environment, highlights a sophisticated attack chain targeting BIND DNS servers using a known vulnerability, CVE-2025-40775, rated as High severity with…
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Attackers Exploit BIND DNS Server Vulnerability to Crash Servers Using Malicious Packets
The vulnerability in BIND DNS server software allowed attackers to crash DNS servers by sending specifically crafted malicious packets. This flaw, identified as CVE-2023-5517, could cause named (the BIND DNS server process) to terminate unexpectedly with an assertion failure when specific queries were processed with certain features enabled. The vulnerability, disclosed in BIND 9.18.24 release…
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Scammers Troll DNS Records for Abandoned Cloud Accounts
‘Hazy Hawk’ Behind a Rash of Domain Hijackings. A hacking group with apparent access to a commercial domain name system archiving service is on the hunt for misconfigured records of high-reputation organizations in order to blast links to scammy domains. It checks the CNAME field of DNS records to see if it points to an…
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Misconfigured DNS, neglected cloud assets harnessed in Hazy Hawk domain hijacking attacks
First seen on scworld.com Jump to article: www.scworld.com/brief/misconfigured-dns-neglected-cloud-assets-harnessed-in-hazy-hawk-domain-hijacking-attacks
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Ransomware-Bande BlackBasta hat neuen Malware-Favoriten
Modularität für verschiedene Zwecke: Die Malware Skitnet verfügt über separate Plug-ins umAnmeldeinformationen zu sammeln,Berechtigungen auszuweiten,sich im Netzwerk lateral zu bewegen undRansomware bereitzustellen.Sie nutzt die Programmiersprachen Rust und Nim, um eine verdeckte Reverse Shell über das DNS-Protokoll zu realisieren. Dadurch ist eine unauffällige C2-Kommunikation möglich.Zusätzlich verwendet Skitnet Verschlüsselung, manuelles Mapping und dynamische API-Auflösung, um nicht entdeckt…
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Forscher warnen: Cybergang kapert Domains großer Konzerne und Behörden
Tags: dnsFalsch konfigurierte DNS-Einträge können fatale Folgen haben. Cyberkriminelle nutzen diese aus, um Besucher prominenter Webseiten zu betrügen. First seen on golem.de Jump to article: www.golem.de/news/forscher-warnen-cybergang-kapert-domains-grosser-konzerne-und-behoerden-2505-196411.html
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Hazy Hawk Targets DNS Vulnerabilities to Hijack Cloud Resources and Spread Malware
The threat actor gained attention in February 2025 after successfully hijacking a subdomain of the U.S. Centers for Disease Control and Prevention (CDC). Sophisticated threat actor dubbed >>Hazy Hawk