Schneier on Security

FEBRUARY 25, 2020

This is good news : Whenever you visit a website -- even if it's HTTPS enabled -- the DNS query that converts the web address into an IP address that computers can read is usually unencrypted. DNS-over-HTTPS, or DoH, encrypts the request so that it can't be intercepted or hijacked in order to send a user to a malicious site. [.].

DNS 336

DNS Internet Internet Encryption 336

CSO Magazine

MARCH 14, 2023

During every quarter last year, between 10% and 16% of organizations had DNS traffic originating on their networks towards command-and-control (C2) servers associated with known botnets and various other malware threats, according to a report from cloud and content delivery network provider Akamai.

DNS 128

DNS Malware Ransomware 128

Security Affairs

MAY 1, 2024

A new malware named Cuttlefish targets enterprise-grade and small office/home office (SOHO) routers to harvest public cloud authentication data. The malware creates a proxy or VPN tunnel on the compromised router to exfiltrate data, and then uses stolen credentials to access targeted resources.

Malware 112

Malware DNS Authentication Telecommunications 112

Bleeping Computer

JANUARY 19, 2023

Starting in September 2022, the 'Roaming Mantis' credential theft and malware distribution campaign was observed using a new version of the Wroba.o/XLoader XLoader Android malware that incorporates a function for detecting specific WiFi routers and changing their DNS. [.]

DNS 99

DNS Malware Hacking Mobile 99

The Hacker News

JANUARY 20, 2023

Threat actors associated with the Roaming Mantis attack campaign have been observed delivering an updated variant of their patent mobile malware known as Wroba to infiltrate Wi-Fi routers and undertake Domain Name System (DNS) hijacking.

DNS 115

DNS Mobile Malware 115

Security Affairs

APRIL 24, 2024

A malware campaign has been exploiting the updating mechanism of the eScan antivirus to distribute backdoors and cryptocurrency miners. Avast researchers discovered and analyzed a malware campaign that exploited the update mechanism of the eScan antivirus to distribute backdoors and crypto miners.

Antivirus 111

Antivirus Malware DNS Cryptocurrency 111

Security Boulevard

JUNE 9, 2022

Active since 2017, Lyceum group is a state-sponsored Iranian APT group that is known for targeting Middle Eastern organizations in the energy and telecommunication sectors and mostly relying on.NET based malwares. The threat actor then leverages the AutoClose() function to drop the DNS backdoor onto the system. Lyceum.NET DNS backdoor.

DNS 98

DNS Energy and Utilities Malware Telecommunications 98

Dark Reading

JANUARY 31, 2023

Malware eventually has to exfiltrate the data it accessed. By watching DNS traffic for suspicious activity, organizations can halt the damage.

DNS 85

DNS Malware 85

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 143

DNS Telecommunications Malware Phishing 143

Dark Reading

MARCH 14, 2023

An analysis of trillions of DNS requests shows a shocking amount of malicious traffic inside enterprise networks, with threats using DNS as a sort of malicious Autobahn.

DNS 78

DNS Malware 78

Bleeping Computer

JULY 25, 2023

New details have emerged about Decoy Dog, a largely undetected sophisticated toolkit likely used for at least a year in cyber intelligence operations, relying on the domain name system (DNS) for command and control activity. [.]

DNS 98

DNS Malware 98

The Hacker News

JUNE 16, 2023

The malware, dubbed ChamelDoH by Stairwell, is a C++-based tool for communicating via DNS-over-HTTPS (DoH) tunneling. The threat actor known as ChamelGang has been observed using a previously undocumented implant to backdoor Linux systems, marking a new expansion of the threat actor's capabilities.

DNS 145

DNS Technology Malware Cybersecurity 145

The Hacker News

JUNE 13, 2022

The new malware is a.NET based DNS Backdoor which is a customized version of the open source tool 'DIG.net,'" Zscaler ThreatLabz researchers Niraj Shivtarkar and Avinash Kumar said in a report published last week. "

DNS 108

DNS Malware 108

Security Affairs

MARCH 17, 2022

Researchers uncovered a new Linux botnet, tracked as B1txor20, that exploits the Log4J vulnerability and DNS tunnel. The malware was first spotted on February 9, 2022, when 360Netlab’s honeypot system captured an unknown ELF file that was spreading by exploiting the Log4J vulnerability. ” continues the analysis.

DNS 136

DNS Malware Technology Encryption 136

Schneier on Security

JUNE 30, 2022

Wired is reporting on a new remote-access Trojan that is able to infect at least eighty different targets: So far, researchers from Lumen Technologies’ Black Lotus Labs say they’ve identified at least 80 targets infected by the stealthy malware, including routers made by Cisco, Netgear, Asus, and DrayTek.

Malware 216

Malware DNS Architecture Hacking 216

Heimadal Security

SEPTEMBER 14, 2023

As malware and attack techniques continue to evolve in sophistication, DNS IoCs help threat hunting teams to prevent ransomware attacks. Prioritizing threat hunting to prevent and mitigate advanced threats is critical to safeguarding an organization`s data and assets.

DNS 79

DNS Ransomware Malware Cybersecurity 79

eSecurity Planet

MAY 3, 2022

Security researchers have uncovered a critical vulnerability that could lead to DNS spoofing attacks in two popular C standard libraries that provide functions for common DNS operations. Understanding DNS Spoofing Attacks. For example, when you enter [link] the browser queries a DNS service to reach the matching servers.

DNS 130

DNS Risk Firmware IoT 130

Threatpost

DECEMBER 2, 2020

Peter Lowe with DNSFilter discusses the science behind domain name system (DNS) filtering and how this method is effective in blocking out phishing and malware.

DNS 94

DNS Phishing Malware Internet 94

SecureList

JANUARY 19, 2023

Kaspersky has been investigating the actor’s activity throughout 2022, and we observed a DNS changer function used for getting into Wi-Fi routers and undertaking DNS hijacking. This was newly implemented in the known Android malware Wroba.o/Agent.eq Moqhao, XLoader), which was the main malware used in this campaign.

DNS 115

DNS Mobile Malware Accountability 115

Security Affairs

APRIL 18, 2019

Iran-linked APT group OilRig is heavily leveraging on DNS tunneling for its cyber espionage campaigns, Palo Alto Networks reveals. Security researchers at Palo Alto Networks reported that Iran-linked APT group OilRig is heavily leveraging on DNS tunneling for its cyber espionage campaigns, Palo Alto Networks reveals.

DNS 88

DNS Malware Advertising Hacking 88

SC Magazine

MARCH 4, 2021

A PDNS service uses existing DNS protocols and architecture to analyze DNS queries and mitigate threats. According to NSA and CISA, the service provides defenses in various points of the network exploitation lifecycle, addressing phishing, malware distribution, command and control, domain generation algorithms, and content filtering.

DNS 131

DNS Architecture Firewall Malware 131

Malwarebytes

JUNE 1, 2022

That’s where DNS filtering comes in. But first, DNS in a nutshell. So normally, every time your customer types in your web address, their computer makes a request to a DNS server. The DNS server, in turn, tells the computer where to go. But which web-based cyberthreats in particular does DNS filtering stop, you ask?

DNS 88

DNS DDOS Phishing Spyware 88

Security Boulevard

MAY 20, 2022

What Is DNS Spoofing and How Is It Prevented? What Is the DNS and DNS Server? . To fully understand DNS spoofing, it’s important to understand DNS and DNS servers. The DNS “domain name system” is then what translates the domain name into the right IP address. What Is DNS Spoofing? .

DNS 98

DNS Cyber Attacks Encryption Risk 98

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. 48 percent found information-stealing malware activity.

DNS 140

DNS Phishing Ransomware Internet 140

Tech Republic Security

MARCH 27, 2024

DNS FireWall is an intuitive security app built to protect you and your business from malware, phishing, botnets and more security threats.

Firewall 139

Firewall DNS Phishing Malware 139

Security Affairs

DECEMBER 3, 2023

Threat actors are using the Agent Raccoon malware in attacks against organizations in the Middle East, Africa and the U.S. The malware was used in attacks against multiple industries, including education, real estate, retail, non-profit organizations, telecom companies, and governments. telemetry. .

Malware 133

Malware DNS Retail Education 133

Security Affairs

MAY 1, 2023

Infoblox researchers discovered a new sophisticated malware toolkit, dubbed Decoy Dog, targeting enterprise networks. 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. ” concludes the report.

Malware 88

Malware DNS Education Media 88

Security Boulevard

APRIL 14, 2022

The apps stole user credentials and forwarded the messages to the malware operators. The post What is DNS Spoofing and Cache Poisoning? The post What is DNS Spoofing and Cache Poisoning? Bad actors love social engineering, and even distribute the spoofed websites via Facebook ads. appeared first on EasyDMARC.

DNS 72

DNS Social Engineering Cybercrime Banking 72

Krebs on Security

JUNE 21, 2023

If you operate a cybercrime business that relies on disseminating malicious software, you probably also spend a good deal of time trying to disguise or “crypt” your malware so that it appears benign to antivirus and security products. This story explores the history and identity behind Cryptor[.]biz WHO RUNS CRYPTOR[.]BIZ?

Malware 228

Malware Antivirus Cybercrime Hacking 228

The Hacker News

MAY 1, 2023

An analysis of over 70 billion DNS records has led to the discovery of a new sophisticated malware toolkit dubbed Decoy Dog targeting enterprise networks.

Malware 99

Malware DNS 99

Security Affairs

JULY 4, 2019

The peculiarity of this new piece of malware is the ability to communicate with C2 servers via DNS over HTTPS ( DoH ). The DoH protocol was a new standard proposed in October 2018 and it is currently supported by several publicly available DNS servers. ” states the analysis. ” states the analysis. Pierluigi Paganini.

DNS 86

DNS Malware Advertising DDOS 86

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

Krebs on Security

MARCH 11, 2022

As their cities suffered more intense bombardment by Russian military forces this week, Ukrainian Internet users came under renewed cyberattacks, with one Internet company providing service there saying they blocked ten times the normal number of phishing and malware attacks targeting Ukrainians. that are easier for computers to manage.

DNS 283

DNS Internet Internet Phishing 283

Quick Heal Antivirus

APRIL 26, 2022

What is DNS? DNS (Domain Name System) is a service that converts hostnames to IP addresses. The post Introduction of DNS tunneling and how attackers use it. appeared first on Quick Heal Blog | Latest computer security news, tips, and advice.

DNS 75

DNS Malware Cybersecurity 75

Security Affairs

APRIL 11, 2024

Microsoft addressed two zero-day vulnerabilities (CVE-2024-29988 and CVE-2024-26234) actively exploited by threat actors to deliver malware Microsoft addressed two zero-day vulnerabilities, tracked as CVE-2024-29988 and CVE-2024-26234, that threat actors are exploiting to deliver malware.

Malware 121

Malware DNS Mobile Software 121

Security Affairs

JANUARY 16, 2023

Expert discovered that the T95 Android TV box, available for sale on Amazon and AliExpress, came with sophisticated pre-installed malware. Security researcher, Daniel Milisic, discovered that the T95 Android TV box he purchased on Amazon was infected with sophisticated pre-installed malware. ” the expert wrote on Reddit.

Malware 98

Malware Firmware DNS Internet 98

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. ” concludes the report.

DNS 126

DNS Malware Encryption Hacking 126