Cisco Security

MARCH 11, 2021

After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. We’ll also look at malicious DNS activity—the number of queries malicious sites receive. Organizations and malicious DNS activity. Overview of analysis. Cryptomining.

DNS 144

DNS Phishing Ransomware Internet 144

Dark Reading

SEPTEMBER 21, 2021

Cisco Security examines Cisco Umbrella data for trends in malicious DNS activity during 2020.

DNS 110

DNS 110

Krebs on Security

JANUARY 24, 2020

13, 2020, which was the date the fraudsters got around to changing the domain name system (DNS) settings for e-hawk.net. That alert was triggered by systems E-HAWK had previously built in-house that continually monitor their stable of domains for any DNS changes. Use DNSSEC (both signing zones and validating responses).

DNS 334

DNS Social Engineering Engineering Accountability 334

Krebs on Security

FEBRUARY 9, 2021

A key concern for enterprises is another critical bug in the DNS server on Windows Server 2008 through 2019 versions that could be used to remotely install software of the attacker’s choice. CVE-2021-24078 earned a CVSS Score of 9.8, which is about as dangerous as they come.

DNS 337

DNS Backups Software Phishing 337

Security Affairs

NOVEMBER 4, 2020

Cyber Defense Magazine November 2020 Edition has arrived. SecurityAffairs – hacking, Cyber Defense Magazine November 2020 ). The post Cyber Defense Magazine – November 2020 has arrived. We hope you enjoy this month’s edition…packed with over 150 pages of excellent content. Always free, no strings attached.

InfoSec 137

InfoSec DNS Advertising Marketing 137

SecureList

FEBRUARY 16, 2021

In Q4 2020, Citrix ADC (application delivery controller) devices became one such tool, when perpetrators abused their DTLS interface. The DTLS (Datagram Transport Layer Security) protocol is used to establish secure connections over UDP, through which most DNS queries, as well as audio and video traffic, are sent.

DDOS 145

DDOS Cryptocurrency Marketing Internet 145

Security Affairs

JULY 14, 2020

Microsoft’s Patch Tuesday security updates for July 2020 addressed a 17-year-old wormable vulnerability for hijacking Microsoft Windows Server dubbed SigRed. Microsoft’s Patch Tuesday addressed a 17-year-old wormable vulnerability for hijacking Microsoft Windows Server tracked CVE-2020-1350 and dubbed SigRed.

DNS 96

DNS Advertising Malware Hacking 96

Schneier on Security

JUNE 30, 2022

Dubbed ZuoRAT, the remote access Trojan is part of a broader hacking campaign that has existed since at least the fourth quarter of 2020 and continues to operate.

Malware 243

Malware DNS Architecture Hacking 243

Krebs on Security

FEBRUARY 26, 2023

But we do know the March 2020 attack was precipitated by a spear-phishing attack against a GoDaddy employee. GoDaddy described the incident at the time in general terms as a social engineering attack, but one of its customers affected by that March 2020 breach actually spoke to one of the hackers involved.

Hacking 330

Hacking Social Engineering Phishing Scams 330

Security Affairs

JULY 15, 2020

Microsoft July 2020 addressed 123 security flaws across 13 products, including a 17-year-old wormable issue for hijacking Microsoft Windows Server dubbed SigRed. Microsoft July 2020 addressed 123 security vulnerabilities impacting 13 products, none of them has been observed being exploited in attacks in the wild.

DNS 94

DNS Advertising Engineering Internet 94

The Last Watchdog

MARCH 28, 2019

The Spamhaus attacker, for instance, noticed that there were literally millions of domain name system (DNS) resolvers that remained wide open all over the internet. DNS resolvers were the early building blocks of the internet: they resolved a domain names, such as spamhaus.org, to a specific IP address. A10 Networks’ report found 6.3

DDOS 263

DDOS IoT DNS Internet 263

Cisco Security

MARCH 11, 2021

After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. We’ll also look at malicious DNS activity—the number of queries malicious sites receive. Organizations and malicious DNS activity. Overview of analysis. Cryptomining.

DNS 101

DNS Phishing Ransomware Internet 101

Krebs on Security

MARCH 9, 2023

The site’s true WHOIS registration records have always been hidden by privacy protection services, but there are plenty of clues in historical Domain Name System (DNS) records for WorldWiredLabs that point in the same direction. A review of DNS records for both printschoolmedia[.]org DNS records for worldwiredlabs[.]com

DNS 315

DNS Cybercrime Passwords Accountability 315

Bleeping Computer

MARCH 31, 2021

Google Chrome developers have announced plans to roll out DNS-over-HTTPS (DoH) support to Chrome web browser for Linux. DoH has been supported on Google Chrome for other platforms, including Android, since at least 2020. But, there's a catch. [.].

DNS 104

DNS 104

Bleeping Computer

JULY 8, 2021

Mozilla has decided to roll out the DNS over HTTPS (DoH) feature by default for Canadian Firefox users later this month. The move comes after DoH has already been offered to US-based Firefox users since 2020. [.].

DNS 96

DNS 96

Troy Hunt

OCTOBER 28, 2020

— NordVPN (@NordVPN) October 23, 2020 Ah, tricky! That and slashed zeros, and maybe a warning popup for URLs visually similar to (but different from) popular ones, would go a long way to mitigate it — Jon (@heeerrresjonny) October 25, 2020 So. That’s how [link] became [link]. — Bartek ?wierczy?ski Poor Googie!

Phishing 363

Phishing Password Management Passwords Internet 363

Security Affairs

MARCH 3, 2021

The Perl.com domain was hijacked in January, but a senior editor at the site revealed that the hackers took control of the domain in September 2020. The Perl.com domain was hijacked in January 2021, but according to Brian Foy , senior editor of Perl.com, the attack took place months before, in September 2020. Pierluigi Paganini.

Social Engineering 125

Social Engineering Malware Hacking Engineering 125

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.” ” ù.

DNS 119

DNS Advertising Hacking Ransomware 119

Krebs on Security

AUGUST 23, 2024

A core part of the way these things find each other involves a Windows feature called “ DNS name devolution ,” a kind of network shorthand that makes it easier to find other computers or servers without having to specify a full, legitimate domain name for those resources. ” Caturegli said setting up an email server record for memrtcc.ad

DNS 327

DNS Internet Internet Authentication 327

Security Boulevard

AUGUST 6, 2024

Threat Intelligence Report Date: August 6, 2024 Prepared by: David Brunsdon, Threat Intelligence - Security Engineer, HYAS Dynamic DNS (DDNS) is a service that automatically updates the Domain Name System (DNS) in real-time to reflect changes in the IP addresses of a domain.

DNS 69

DNS Malware Social Engineering Engineering 69

Security Affairs

MARCH 2, 2020

At the time of the report, the threat actor carried out a cyber espionage campaign by redirecting DNS traffic from domains owned by the Lebanon government to target entities in the country. Karkoff 2020: a new APT34 espionage operation involves Lebanon Government. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

Government 111

Government Malware Advertising DNS 111

SecureList

DECEMBER 18, 2020

On December 13, 2020 FireEye published important details of a newly discovered supply chain attack. In the initial phases, the Sunburst malware talks to the C&C server by sending encoded DNS requests. Our colleagues from FireEye published several DNS requests that supposedly led to CNAME responses on Github: [link].

DNS 76

DNS Telecommunications Malware Encryption 76

Security Affairs

JUNE 22, 2021

DirtyMoe is a Windows botnet that is rapidly growing, it passed from 10,000 infected systems in 2020 to more than 100,000 in the first half of 2021. Communication with C&C servers is based on DNS requests and it uses a special mechanism translating DNS results to a real IP address. ” concludes the analysis.”

DNS 145

DNS Malware Internet Internet 145

Security Affairs

FEBRUARY 18, 2020

To verify this I’ve sent a crafted payload which enable the remote server (incometaxindia.gov.in) to perform a DNS lookup on my burp collaborator. Responsible Disclosure: CERT-In (IncomeTaxIndia) This was sent to CERT-In on Feb 12, 2020, got initial response by them on Feb 13, 2020. Original post at: [link].

DNS 144

DNS Advertising Government Hacking 144

Threatpost

JULY 14, 2020

Microsoft gives the ‘wormable’ flaw a security rating of 10 – the most severe warning possible.

DNS 119

DNS 119

Krebs on Security

MARCH 28, 2021

I first heard about the domain in December 2020, when a reader told me how his entire network had been hijacked by a cryptocurrency mining botnet that called home to it. I’d been doxed via DNS. “This morning, I noticed a fan making excessive noise on a server in my homelab,” the reader said.

Hacking 363

Hacking Cybercrime DNS Internet 363

Security Boulevard

NOVEMBER 4, 2021

Since the onset of the pandemic, cyberattackers have increasingly looked to leverage DNS channels to steal data, launch DDoS attacks and deploy malware—and the cost of these attacks is rising. According to IDC’s 2020 Global DNS Threat Report, the average cost of such an attack is now approaching $1 million, and impacts can range from.

DNS 52

DNS DDOS Threat Reports Malware 52

Webroot

MARCH 29, 2021

An endpoint DNS solution could have stopped the Trojanized Orion version by refusing to resolve the domain names of the command-and-control servers, again disrupting the infection to the point that no real damage could be done. DNS security solutions are one way of addressing this risk.

Hacking 139

Hacking DNS Firewall Malware 139

CyberSecurity Insiders

MAY 18, 2022

In 2020, the SolarWinds supply chain attack opened backdoors into thousands of organizations (including government agencies) that used its services, while late last year, the far-reaching Log4J exploit exploded onto the scene. So why aren’t more organizations taking advantage of protective DNS? The issue likely comes down to awareness.

DNS 140

DNS Cybersecurity CISO Social Engineering 140

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).

Social Engineering 106

Social Engineering Engineering DNS Accountability 106

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. Pierluigi Paganini.

DDOS 145

DDOS DNS IoT Internet 145

Malwarebytes

JANUARY 21, 2021

The vulnerabilities disclosed by the JSOF team have been listed as CVE-2020-25687 , CVE-2020-25683 , CVE-2020-25682 , CVE-2020-25684 , CVE-2020-25685 , CVE-2020-25686 and CVE-2020-25681. Basically, you could say DNS is the phonebook of the internet. What is DNS cache poisoning?

DNS 75

DNS Software Internet Internet 75

Krebs on Security

NOVEMBER 21, 2020

2019 that wasn’t discovered until April 2020. “This gave the actor the ability to change DNS records and in turn, take control of a number of internal email accounts. . “This gave the actor the ability to change DNS records and in turn, take control of a number of internal email accounts.

Cryptocurrency 364

Cryptocurrency VPN Scams Social Engineering 364

Security Affairs

OCTOBER 5, 2020

Unlike other IoT DDoS botnets, Ttint implements 12 remote access functions such as Socket5 proxy for router devices, tampering with router firewall and DNS settings, executing remote custom system commands. ” When the botnet was first detected in 2019, experts noticed it was exploiting the Tenda zero-day flaw tracked as CVE-2020-10987.

IoT 145

IoT Firmware Advertising DNS 145

Security Affairs

SEPTEMBER 23, 2020

September 23, 2020. Qurium analyzes the blocking implemented by four different operators in Belarus Belarus operators use their own infrastructure to implement the blocking Block techniques include transparent web proxies, injection of HTTP responses, stateless and stateful SSL DPI and fake DNS responses.

Internet 132

Internet Internet DNS Advertising 132

Security Affairs

JUNE 4, 2020

“Approximately 12:00 on June 1, 2020, as a result of detecting an abnormality in the monitoring work and starting an investigation, from around 0:05 on May 31, 2020, in our account in “Ome.com”, It was confirmed that the domain registration information was changed by a third party. NS ???????????? awsdns-61[.]org

Accountability 129

Accountability Phishing DNS Cryptocurrency 129

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 analysis of the C2 infrastructure revealed that it dates back to 2020. In other samples, the authors used a Base64 encoded string. telemetry.

Malware 144

Malware DNS Retail Education 144