Security Affairs

MAY 9, 2021

A flaw in some DNS resolvers, tracked as TsuNAME, can allow attackers to launch DDoS attacks against authoritative DNS servers. domains), and the Information Science Institute at the University of Southern California has discovered a vulnerability, named TsuNAME, in some DNS resolvers. queries/s).” queries/s).”

DNS 145

DNS DDOS Hacking Information Security 145

Security Affairs

MARCH 17, 2022

Researchers uncovered a new Linux botnet, tracked as B1txor20, that exploits the Log4J vulnerability and DNS tunnel. “In short, B1txor20 is a Backdoor for the Linux platform, which uses DNS Tunnel technology to build C2 communication channels. In this way, Bot and C2 achieve communication with the help of DNS protocol.”

DNS 145

DNS Malware Technology Encryption 145

Security Affairs

MAY 1, 2024

The China-linked threat actors Muddling Meerkat are manipulating DNS to probe networks globally since 2019. Infoblox researchers observed China-linked threat actors Muddling Meerkat using sophisticated DNS activities since 2019 to bypass traditional security measures and probe networks worldwide. ” concludes the report.

DNS 142

DNS Firewall DDOS Hacking 142

Security Affairs

JUNE 11, 2022

Iran-linked Lyceum APT group uses a new.NET-based DNS backdoor to target organizations in the energy and telecommunication sectors. The Iran-linked Lyceum APT group, aka Hexane or Spilrin, used a new.NET-based DNS backdoor in a campaign aimed at companies in the energy and telecommunication sectors, ZScaler researchers warn.

DNS 145

DNS Telecommunications Malware Phishing 145

Security Affairs

JULY 26, 2024

The Internet Systems Consortium (ISC) released BIND security updates that fixed several remotely exploitable DoS bugs in the DNS software suite. The Internet Systems Consortium (ISC) released security updates for BIND that address DoS vulnerabilities that could be remotely exploited. In BIND 9 versions 9.18.1 S1 through 9.18.27-S1,

DNS 145

DNS Software Internet Internet 145

Security Affairs

MAY 3, 2022

A vulnerability in the domain name system (DNS) component of the uClibc library impacts millions of IoT products. Nozomi Networks warns of a vulnerability, tracked as CVE-2022-05-02, in the domain name system (DNS) component of the uClibc library which is used by a large number of IoT products. ” continues the advisory.

DNS 127

DNS IoT Hacking Cybersecurity 127

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 140

DNS Government Advertising Engineering 140

Security Affairs

FEBRUARY 12, 2024

ExpressVPN addressed a bug in the split tunneling feature that exposed the domains visited by the users to configured DNS servers. The expert noticed that the DNS queries were sent to the DNS server configured on the computer. Anyway, disabling the split tunneling feature will prevent the leak of the DNS requests.

DNS 138

DNS VPN Encryption Internet 138

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. SecurityAffairs – hacking, BIND). Follow me on Twitter: @securityaffairs and Facebook.

DNS 141

DNS Software Internet Internet 141

Krebs on Security

JULY 18, 2023

[This is Part III in a series on research conducted for a recent Hulu documentary on the 2015 hack of marital infidelity website AshleyMadison.com.] LeakedSource also tried to pass itself off as a legal, legitimate business that was marketing to security firms and professionals. In 2019, a Canadian company called Defiant Tech Inc.

Hacking 242

Hacking Accountability Data breaches Marketing 242

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).”

DNS 108

DNS Social Engineering Accountability Advertising 108

Security Affairs

SEPTEMBER 25, 2022

The Internet Systems Consortium (ISC) fixed six remotely exploitable vulnerabilities in the BIND DNS software. The Internet Systems Consortium (ISC) this week released security patches to address six remotely exploitable vulnerabilities in BIND DNS software. SecurityAffairs – hacking, BIND DNS).

DNS 108

DNS Software Internet Internet 108

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 110

DNS Internet Internet Software 110

Security Affairs

JANUARY 22, 2023

Roaming Mantis threat actors were observed using a new variant of their mobile malware Wroba to hijack DNS settings of Wi-Fi routers. Researchers from Kaspersky observed Roaming Mantis threat actors using an updated variant of their mobile malware Wroba to compromise Wi-Fi routers and hijack DNS settings. Agent.eq (a.k.a

DNS 98

DNS Mobile Malware Hacking 98

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 97

DNS Advertising Hacking Malware 97

Security Affairs

FEBRUARY 19, 2025

The OpenSSH client vulnerability (CVE-2025-26465) allows an attack to succeed regardless of the VerifyHostKeyDNS setting, without user interaction or reliance on SSHFP DNS records. Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs hacking,DoS)

Authentication 124

Authentication System Administration DNS Hacking 124

Security Affairs

MAY 13, 2025

Between 2017 and 2019, the APT group mainly used DNS hijacking in its campaigns. The group targets government entities, Kurdish (political) groups like PKK, telecommunication, ISPs, IT-service providers (including security companies), NGO, and Media & Entertainment sectors. . ” reads the report published by Microsoft.

DNS 86

DNS Telecommunications Architecture Media 86

Security Affairs

APRIL 10, 2025

DNS records link domains like servicewrap-go[.]com ” Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs hacking,spam) All versions analyzed used the same Telegram token and chat ID. The researchers noticed that the spam domains rotate frequently to evade detection.

eCommerce 130

eCommerce Technology DNS Business Services 130

Security Affairs

SEPTEMBER 21, 2019

US authorities have indicted two men for hacking the exchange EtherDelta in December 2017, one of them was also accused of TalkTalk hack. US authorities have indicted two men, Elliot Gunton and Anthony Tyler Nashatka, for hacking the cryptocurrency exchange EtherDelta in 2017. SecurityAffairs – TalkTalk, hacking).

Hacking 104

Hacking DNS Cryptocurrency Accountability 104

Security Affairs

MARCH 10, 2020

Who is hacking the hackers? Experts from Cybereason a mysterious hackers group is targeting other hackers by spreading tainted hacking tools. Experts from security firm Cybereason warn of a mysterious group of hackers that are distributing trojanized hacking tools on an almost daily basis for the past years.

Hacking 145

Hacking Malware Advertising DNS 145

Security Affairs

MARCH 12, 2025

Microsoft Patch Tuesday security updates for March 2025 addressed 56 vulnerabilities in Windows and Windows Components, Office and Office Components, Azure,NET and Visual Studio, Remote Desktop Services, DNS Server, and Hyper-V Server. Six vulnerabilities are rated Critical, and 50 are rated Important in severity.

DNS 110

DNS Hacking Information Security 110

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.

DNS 107

DNS Malware Advertising DDOS 107

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 110

Internet Internet DNS Hacking 110

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.

DNS 98

DNS Software Hacking Internet 98

Security Affairs

APRIL 30, 2025

They also updated the OceanMap stealer to exfiltrate browser credentials and ran phishing campaigns to steal Yahoo and UKR.NET login info using fake pages and dynamic DNS to hide infrastructure. “ Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs hacking,ANSSI)

Government 116

Government Phishing DNS VPN 116

Security Affairs

DECEMBER 16, 2020

In a security advisory published by SolarWinds, the company confirmed the supply chain attack, the threat actors compromised versions 2019.4 The C&C domain communicates to the bot via DNS responses that contained a CNAME field with information on the domain that will provide further commands and payload to the SUNBURST backdoor.

Hacking 145

Hacking DNS VPN Software 145

Security Affairs

DECEMBER 10, 2024

Based on available Passive DNS records, Resecurity identified over 144 domain names registered by the actors in the.com,om,site,top and.icu domain zones. Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs hacking, Smishing Triad )

Social Engineering 112

Social Engineering Phishing Banking DNS 112

Security Affairs

JANUARY 5, 2025

Nuclei supports multiple protocols, including HTTP, TCP, DNS, TLS, andCode. Nuclei templates using the code protocol can assess system security but risk executing malicious code locally, potentially compromising servers or infrastructure.

DNS 118

DNS Risk Engineering Hacking 118

Security Affairs

FEBRUARY 13, 2025

Since late 2021, the subgroup has targeted networks by modifying Outlook Web Access (OWA) sign-in pages and DNS configurations. “ Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs hacking,Russia) This infrastructure technique is versatile, supporting operations globally. .

Telecommunications 109

Telecommunications DNS Hacking Passwords 109

Security Affairs

AUGUST 1, 2024

Researchers warn of an attack vector in the DNS, called the Sitting Ducks, that exposes over a million domains to hackers’ takeover. Researchers from Eclypsium and Infoblox have identified an attack vector in the domain name system (DNS), dubbed the Sitting Ducks attack. ” continues the report.

DNS 126

DNS Accountability Risk Hacking 126

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. SecurityAffairs – hacking, Tutanota).

DDOS 145

DDOS Encryption DNS Advertising 145

Security Affairs

AUGUST 4, 2024

Volexity researchers reported that a China-linked APT group, tracked as StormBamboo (aka Evasive Panda , Daggerfly , and StormCloud), successfully compromised an undisclosed internet service provider (ISP) in order to poison DNS responses for target organizations. The company linked the attacks to StormBamboo APT group.

Malware 144

Malware DNS Firewall Software 144

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.

Passwords 145

Passwords DNS Malware Advertising 145

Security Affairs

JANUARY 19, 2025

Stealthy Credit Card Skimmer Targets WordPress Checkout Pages via Database Injection Ransomware on ESXi: The mechanization of virtualized attacks FunkSec Alleged Top Ransomware Group Powered by AI Abusing AWS Native Services: Ransomware Encrypting S3 Buckets with SSE-C Malicious PyPI Package pycord-self Targets Discord Developers with Token Theft (..)

Malware 66

Malware Artificial Intelligence DNS Ransomware 66

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. CISA orders federal agencies to fix this vulnerability by May 2, 2024.

DNS 133

DNS Authentication Hacking Cybersecurity 133

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 136

Software DNS DDOS Technology 136

Security Affairs

JULY 30, 2024

The attack chain starts by tricking the recipient into clicking a button that claims to explain how to fix a DNS issue, suggesting that resolving this issue will grant access to a desired file. To fix the error, you need to update the DNS cache manually.” ” reads the report published by Trellix.

Phishing 144

Phishing DNS Social Engineering Engineering 144