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

DNS 100

DNS Government Advertising Engineering 100

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 61

DNS Advertising Malware Hacking 61

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 65

DNS Phishing Ransomware Internet 65

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.

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InfoSec DNS Advertising Marketing 120

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 59

DNS Advertising Engineering Internet 59

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 74

DNS Telecommunications Malware Encryption 74

Krebs on Security

JULY 14, 2020

Top of the heap this month in terms of outright scariness is CVE-2020-1350 , which concerns a remotely exploitable bug in more or less all versions of Windows Server that attackers could use to install malicious software simply by sending a specially crafted DNS request.

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DNS Backups System Administration Software 280

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 211

Malware DNS Architecture Hacking 211

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

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DNS Cybercrime Passwords Accountability 248

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.

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Hacking Social Engineering Phishing Scams 268

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 105

Social Engineering Malware Hacking Engineering 105

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.

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DNS Advertising Hacking Ransomware 95

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.

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DNS Backups Software Phishing 302

CSO Magazine

NOVEMBER 15, 2022

The enterprise-class domain registrar and Domain Name System (DNS) threats mitigator found that 75% of Global 2000s have implemented fewer than half of all domain security measures with Domain-based Message Authentication, Reporting, and Conformance (DMARC) , the only domain security measure with significantly increased adoption since 2020.

DNS 77

DNS Phishing Authentication Risk 77

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.

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Malware DNS Retail Education 126

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?

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DNS Software Internet Internet 59

Security Boulevard

MARCH 6, 2024

Since bad actors need to communicate back to their C2, digital exhaust often takes the form of DNS records , which if monitored properly allows organizations to detect anomalous patterns and stop the communications, and thus the breach, before the criminals can do any major harm. That's where technologies like protective DNS come in.

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DNS Phishing Data breaches Cyber threats 86

DoublePulsar

JULY 25, 2020

How I built exploitation detection into my honeypot. Continue reading on DoublePulsar ».

DNS 52

DNS Cybersecurity 52

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 266

DNS Social Engineering Engineering Accountability 266

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

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 100

Social Engineering Engineering DNS Data breaches 100

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.

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DNS Cybersecurity CISO Social Engineering 140

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.”

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DNS Cryptocurrency Internet Internet 128

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 -->.

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Government Malware Advertising DNS 76

Threatpost

JULY 14, 2020

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

DNS 119

DNS 119

Malwarebytes

APRIL 25, 2023

From there, further research identified a DNS signature not related to Pupy components. Infoblox claims that this unique DNS signature for Decoy Dog “ matches less than 0.0000027% of the 370 million active domains on the internet ” Pupy itself has been seen in numerous nation state attacks and other serious compromises.

DNS 64

DNS Mobile Malware Internet 64

Digital Shadows

JANUARY 28, 2021

Back in December 2020, Digital Shadows reported that the Blockchain DNS domains for the infamous carding automated vending cart (AVC). The post Joker’s Stash’s Final Deal: A turning point for AVCs? first appeared on Digital Shadows.

DNS 62

DNS Cybercrime 62

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 127

DDOS DNS IoT Internet 127

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 62

Government Malware Advertising DNS 62

Malwarebytes

JUNE 30, 2022

The so-called ZuoRAT campaign, which very likely started in 2020, is so sophisticated that the researchers suspect that there is a state sponsored threat actor behind it. The threat actor can then use DNS hijacking and HTTP hijacking to cause the connected devices to install other malware. DNS hijacking. SOHO routers.

DNS 90

DNS Malware Small Business Firmware 90

Security Affairs

SEPTEMBER 25, 2020

The IT giant issued 25 advisories as part of the September 2020 semiannual IOS and IOS XE Software Security Advisory Bundled Publication. The most severe issues addressed by Cisco are: Cisco IOS XE Software Privilege Escalation Vulnerabilities CVE-2020-3141CVE-2020-3425 High 8.8.

Software 97

Software DNS Wireless Advertising 97

CyberSecurity Insiders

OCTOBER 22, 2021

Interestingly, the findings state that the threat actors, probably funded by a government, were hiding in the external DNS servers of telcos and conducting espionage through General Packet Radio Services (GPRS) networks. However, no substantial evidence to prove the exact location of hackers has been got till date.

Cyber Attacks 139

Cyber Attacks Telecommunications DNS Government 139

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 115

DNS Advertising Government Hacking 115

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 116

Hacking DNS Firewall Malware 116

Cisco Security

MARCH 16, 2021

The European Union is concerned enough that it drafted a resolution in November 2020 to ban end-to-end encryption, prompting outcry from privacy advocates. In this blog I’ll describe two recent privacy advances—DNS over HTTPS (DoH) and QUIC—and what we’re doing to maintain visibility. Keeping your destination private: DNS over HTTPS.

Encryption 87

Encryption DNS Threat Detection Internet 87

NetSpi Technical

OCTOBER 19, 2023

Let’s try DNS. To quickly test if we have DNS outbound, we can use Burp Suite Collaborator. This will give us a unique address that we can query and let us know if a DNS request was received. import socket data = socket.gethostbyname_ex(‘<collaborator URL>’) print(repr(data)) We have DNS outbound.

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DNS Internet Internet Phishing 97

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 119

Internet Internet DNS Advertising 119