Security Affairs

JANUARY 28, 2023

BIND is a suite of software for interacting with the Domain Name System (DNS) maintained by the Internet Systems Consortium (ISC). The ISC released security patches to address multiple high-severity denial-of-service DoS vulnerabilities in the DNS software suite. Then ‘named’ may exit due to a lack of free memory.

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Security Affairs

AUGUST 20, 2021

The Internet Systems Consortium (ISC) addressed a high-severity denial-of-service (DoS) flaw (CVE-2021-25218) affecting the BIND DNS software. The Internet Systems Consortium (ISC) has released security updates to address a high-severity denial-of-service (DoS) vulnerability, tracked as CVE-2021-25218 , that affects its BIND DNS software.

DNS 105

DNS Internet Internet Software 105

PerezBox Security

MARCH 2, 2019

I was recently at an event listening to representatives of ICANN and CloudFlare speak on security with DNS and it occurred to me that very few of us really understand. The post The Evolving World of DNS Security appeared first on PerezBox.

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DNS Architecture Technology Information Security 101

Security Affairs

MAY 1, 2021

The Internet Systems Consortium (ISC) released updates for the BIND DNS software to patch several denial-of-service (DoS) and potential RCE flaws. If you want to receive the weekly Security Affairs Newsletter for free subscribe here. Follow me on Twitter: @securityaffairs and Facebook. Pierluigi Paganini.

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Security Affairs

APRIL 11, 2024

The flaw affects D-Link DNS-320L, DNS-325, DNS-327L, and DNS-340L, these devices contain a hard-coded credential that allows an attacker to conduct authenticated command injection, leading to remote, unauthorized code execution.

DNS 115

DNS Authentication Hacking Cybersecurity 115

Security Affairs

JULY 17, 2020

US DHS CISA urges government agencies to patch SIGRed Windows Server DNS vulnerability within 24h due to the likelihood of the issue being exploited. The SigRed flaw was discovered by Check Point researcher Sagi Tzaik and impacts Microsoft Windows DNS. reads the analysis published by CheckPoint. ” states Krebs.

DNS 100

DNS Government Advertising Engineering 100

Security Affairs

JULY 14, 2019

The UK’s National Cyber Security Centre (NCSC) issued a security advisory to warn organizations of DNS hijacking attacks and provided recommendations this type of attack. “In January 2019 the NCSC published an alert to highlight a large-scale global campaign to hijack Domain Name Systems (DNS).”

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DNS Social Engineering Accountability Advertising 80

Security Affairs

JULY 14, 2020

The SigRed flaw was discovered by Check Point researcher Sagi Tzaik and impacts Microsoft Windows DNS. An attacker could exploit the SigRed vulnerability by sending specially-crafted malicious DNS queries to a Windows DNS server. Non-Microsoft DNS Servers are not affected.”

DNS 61

DNS Advertising Malware Hacking 61

PerezBox Security

NOVEMBER 4, 2018

If you’re reading this article you’ve interacted with DNS. In fact, you’d be hard pressed to spend any time online and not interact with DNS. The post A Primer on DNS and Security appeared first on PerezBox. Many of us spend very.

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DNS Technology Information Security 73

PerezBox Security

SEPTEMBER 16, 2019

In September of 2019 Mozilla will begin releasing DNS over HTTPS (DOH) in Firefox via their Trusted Recursive Resolver (TRR) program. A primer on DNS Security. The post Mozilla Introduces Mechanism to Hijack all DNS Traffic in the Name of Privacy appeared first on PerezBox. The change is based.

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DNS Information Security 91

Security Affairs

APRIL 7, 2024

The flaw affects multiple D-Link NAS devices, including models DNS-340L, DNS-320L, DNS-327L, and DNS-325. The flaw impacts the following devices: DNS-320L Version 1.11, Version 1.03.0904.2013, Version 1.01.0702.2013 DNS-325 Version 1.01 DNS-327L Version 1.09, Version 1.00.0409.2013 DNS-340L Version 1.08

Internet 134

Internet Internet DNS Hacking 134

Security Affairs

APRIL 24, 2024

Mutex_ONLY_ME_V1 ), the malware searches for services.exe process and injects its next stage into the first one it can find Cleanup is performed, removing the update package GuptiMiner operates its own DNS servers to provide legitimate destination domain addresses of C2 servers through DNS TXT responses.

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PerezBox Security

OCTOBER 7, 2019

DNS is the internets lookup table, it builds a bridge between the domain name (e.g., The post Leveraging DNS to Enhance Your Networks Security appeared first on PerezBox. perezbox.com) and the IP address (e.g., 184.24.56.17). The IP address being where you can find.

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PerezBox Security

DECEMBER 24, 2019

The post Mitigating Web Threats with CleanBrowsing DNS appeared first on PerezBox. On December 18th, DeepInstinct put out a great article outlining the latest Legion Loader campaign. Whether a parent, or organization, this served as a great example to demonstrate the effectiveness.

DNS 64

DNS Information Security 64

Security Affairs

JULY 4, 2019

Researchers at Network Security Research Lab of Qihoo 360 discovered a Lua-based backdoor dubbed Godlua that targets both Linux and Windows systems. The peculiarity of this new piece of malware is the ability to communicate with C2 servers via DNS over HTTPS ( DoH ). com domain. ” states the analysis. ” states the analysis.

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DNS Malware Advertising DDOS 80

Security Affairs

MAY 1, 2024

The malicious code can also perform DNS and HTTP hijacking within private IP spaces. “What makes this malware family so insidious is the ability to perform HTTP and DNS hijacking for connections to private IP addresses. Additionally, it can interact with other devices on the LAN and transfer data or deploy new agents.

Malware 101

Malware DNS Authentication Telecommunications 101

Security Affairs

MARCH 3, 2024

The researchers observed the malware trying to contact a Taiwan-based public DNS resolver with the IP address 168.95.1[.]1. The researchers observed the malware initiating a DNS query to resolve the domain download.vmfare[.]com com by using the public DNS resolver at 168.95[.]1.1.

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DNS Malware Encryption Hacking 117

Security Affairs

FEBRUARY 12, 2024

If you’re unsure, avoid entering sensitive information or use a privacy screen to block prying eyes. DNS Spoofing DNS (Domain Name System) is like the internet’s phone book, translating domain names into IP addresses.

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DNS VPN Encryption Passwords 123

Security Affairs

SEPTEMBER 19, 2020

The popular encrypted email service Tutanota was hit with a series of DDoS attacks this week targeting its website fist and its DNS providers later. Encrypted email service, Tutanota suffered a series of DDoS attacks that initially targeted the website and later its DNS providers. “As a result these providers went down. .

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DDOS Encryption DNS Advertising 139

Security Affairs

MAY 1, 2023

While analyzing billions of DNS records, Infoblox researchers discovered a sophisticated malware toolkit, dubbed Decoy Dog, that was employed in attacks aimed at enterprise networks. The researchers pointed out that while the malware is open source, deploying it as a DNS C2 requires a significant effort. ” concludes the report.

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Malware DNS Education Media 73

Security Affairs

JULY 22, 2021

Multiple major websites, including Steam, AWS, Amazon, Google, and Salesforce, went offline due to Akamai DNS global outage. A software configuration update triggered a bug in the Akamai DNS which took offline major websites, including Steam, the PlayStation Network, AWS, Google, and Salesforce. SecurityAffairs – hacking, DNS).

Software 124

Software DNS DDOS Technology 124

Security Affairs

DECEMBER 3, 2023

The backdoor is written in.NET and leverages the domain name service (DNS) protocol to establish a covert communication channel with the command and control infrastructure. The experts discovered a domain hard-coded in plain text in the code, it was used to establish the DNS covert channel. telemetry.

Malware 126

Malware DNS Retail Education 126

Security Affairs

NOVEMBER 24, 2020

Crooks were able to trick GoDaddy staff into handing over control of crypto-biz domain names in a classic DNS hijacking attack. Crooks were able to hijack traffic and email to various cryptocurrency-related websites as a result of a DNS hijacking attack on domains managed by GoDaddy. SecurityAffairs – hacking, DNS hijacking).

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Social Engineering Engineering DNS Data breaches 100

Security Affairs

APRIL 13, 2021

Security experts disclosed nine flaws, collectively tracked as NAME:WRECK, affecting implementations of the DNS protocol in popular TCP/IP network communication stacks. “The widespread use of these stacks and often external exposure of vulnerable DNS clients lead to a dramatically increased attack surface.”

DNS 94

DNS Advertising Hacking Ransomware 94

The Security Ledger

DECEMBER 29, 2021

Back in 2008, the late, great security researcher Dan Kaminsky discovered a serious security flaw in a ubiquitous Internet technology: the domain name system, or DNS. Mark Stanislav is a VP of Information Security at Gemini.

DNS 98

DNS Internet Internet Cyber Attacks 98

Security Affairs

AUGUST 31, 2022

Once executed, the malware makes unique DNS connections, experts determined that the binary was leveraging a DNS data exfiltration technique by sending unique DNS queries to a target C2 DNS server. “This technique works by sending an encrypted string appended to the DNS query set as a subdomain.

Malware 81

Malware DNS Antivirus Encryption 81

Security Affairs

JUNE 26, 2023

The Internet Systems Consortium (ISC) addressed three denial-of-service (DoS) vulnerabilities in the DNS software suite BIND. The Internet Systems Consortium (ISC) released security updates to address three denial-of-service (DoS) vulnerabilities in the DNS software suite BIND.

Internet 94

Internet Internet DNS Software 94

Security Affairs

APRIL 16, 2020

Linksys has reset passwords for all its customers’ after learning on ongoing DNS hijacking attacks aimed at delivering malware. Hackers compromise D-Link and Linksys routers and change DNS settings to redirect users to bogus sites proposing a fake COVID-19 information app from the World Health Organization.

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Passwords DNS Malware Advertising 116

Security Affairs

JANUARY 16, 2023

Milisic also devised a trick to block the malware using the Pi-hole to change the DNS of the command and control server, YCXRL.COM to 127.0.0.2. He also created an iptables rule to redirect all DNS to the Pi-hole as the malware/virus/whatever will use external DNS if it can’t resolve. ” continues the expert.

Malware 95

Malware Firmware DNS Internet 95

Security Affairs

MARCH 28, 2024

CVE-2024-20303 (CVSS score 7.4) – A vulnerability in the multicast DNS (mDNS) gateway feature of IOS XE Software for Wireless LAN Controllers (WLCs). An unauthenticated, remote attacker can trigger the flaw to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition.

Software 115

Software Wireless DNS Internet 115

Security Affairs

DECEMBER 29, 2021

The attackers were observed performing multiple connectivity checks via DNS lookups for a subdomain under dns[.]1433[.]eu[.]org The researchers explained that multiple threat actors utilize publicly accessible DNS logging services like dns[.]1433[.]eu[.]org org , running on the VMware Horizon instance.

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DNS Hacking Malware Information Security 87

Security Affairs

JANUARY 18, 2024

“An attacker within the local network (and, in certain scenarios remotely) could exploit these weaknesses to execute remote code, initiate DoS attacks, conduct DNS cache poisoning, or extract sensitive information.” ” states CERT/CC. . ” states CERT/CC.

Firmware 105

Firmware DNS Advertising Architecture 105

Security Affairs

FEBRUARY 17, 2022

Cisco ESA products are affected by a DoS vulnerability, tracked as CVE-2022-20653 , that resides in the DNS-based Authentication of Named Entities (DANE) email verification component of Cisco AsyncOS Software for ESA. “This vulnerability is due to insufficient error handling in DNS name resolution by the affected software.

DNS 95

DNS Software Authentication Hacking 95

Security Affairs

NOVEMBER 4, 2020

150 PAGESLOADED WITH EXCELLENT CONTENT Learn from the experts, cybersecurity best practices Find out about upcoming information security related conferences, expos and trade shows. We hope you enjoy this month’s edition…packed with over 150 pages of excellent content. Always free, no strings attached.

InfoSec 120

InfoSec DNS Advertising Marketing 120

Security Affairs

SEPTEMBER 22, 2021

For the specific DNS-based MITM attack used above, the attacker must race DNS queries from the Circle update daemon. Other MitM attacks that do not rely on DNS manipulation will also allow an attacker to exploit this vulnerability.”

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DNS Firmware VPN Risk 129

Security Affairs

NOVEMBER 15, 2021

The attack was launched by a Mirai botnet variant composed of 15,000 bots, it combined DNS amplification attacks and UDP floods. “This was a multi-vector attack combining DNS amplification attacks and UDP floods. The botnet included Internet of Things (IoT) devices and GitLab instances.

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DDOS DNS IoT Internet 127

Cisco Security

AUGUST 12, 2021

This requires a robust connection to the Internet (Lumen and Gigamon), firewall protection (Palo Alto Networks), segmented wireless network (Commscope Ruckus) and network full packet capture & forensics and SIEM (RSA NetWitness); with Cisco providing cloud-based security and intelligence support. DNS traffic at Record Low.

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DNS Firewall Phishing Mobile 144