The Last Watchdog

DECEMBER 6, 2019

In 2019, we’ve seen a surge in domain name service (DNS) hijacking attempts and have relayed warnings from the U.S. In the enterprise environment, domain names, DNS, and certificates are the lifeline to any internet-based application including websites, email, apps, virtual private networks (VPNs), voice over IP (VoIP) and more.

DNS 182

DNS Firewall Social Engineering Risk 182

The Last Watchdog

MAY 13, 2024

May 13, 2024, CyberNewsWire — Criminal IP, a renowned Cyber Threat Intelligence (CTI) search engine developed by AI SPERA, has recently signed a technology partnership to exchange threat intelligence data based on domains and potentially on the IP address to protect users by blocking threats to end users. Torrance, Calif.,

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DNS Cyber threats Engineering Spyware 130

Fox IT

AUGUST 11, 2022

This Saitama implant uses DNS as its sole Command and Control channel and utilizes long sleep times and (sub)domain randomization to evade detection. As no server-side implementation was available for this implant, our detection engineers had very little to go on to verify whether their detection would trigger on such a communication channel.

DNS 66

DNS Engineering Malware Encryption 66

Security Boulevard

JANUARY 25, 2022

The recent Log4Shell (CVE-2021-44228) vulnerability is the impetus to creating this blog and discussing how you can use LogRhythm AI Engine (AIE) “Trend rules” to effectively detect anomalous behavior. The post Threat Hunting Anomalous DNS and LDAP Activity with Trend Rules appeared first on LogRhythm.

DNS 52

DNS Engineering Technology 52

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 99

DNS Government Advertising Engineering 99

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 response to the numerous DNS hijacking attacks the UK’s National Cyber Security Centre (NCSC) issued an alert to warn organizations of this type of attack.

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DNS Social Engineering Accountability Advertising 79

Malwarebytes

APRIL 9, 2024

The malicious ads are displayed as sponsored results on Google’s search engine page and localized to North America. Online ads from search engine result pages are increasingly being used to deliver malware to corporate users. ThreatDown via its EDR engine quarantines the malicious DLL immediately. dll (Nitrogen).

System Administration 106

System Administration DNS Engineering Social Engineering 106

SecureList

DECEMBER 18, 2020

In the initial phases, the Sunburst malware talks to the C&C server by sending encoded DNS requests. These requests contain information about the infected computer; if the attackers deem it interesting enough, the DNS response includes a CNAME record pointing to a second level C&C server. avsvmcloud[.]com” avsvmcloud[.]com”

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DNS Telecommunications Malware Encryption 74

Krebs on Security

JANUARY 24, 2020

In the case of e-hawk.net, however, the scammers managed to trick an OpenProvider customer service rep into transferring the domain to another registrar with a fairly lame social engineering ruse — and without triggering any verification to the real owners of the domain. ” REGISTRY LOCK.

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DNS Social Engineering Engineering Accountability 266

Krebs on Security

APRIL 9, 2024

Microsoft today released updates to address 147 security holes in Windows, Office , Azure ,NET Framework , Visual Studio , SQL Server , DNS Server , Windows Defender , Bitlocker , and Windows Secure Boot. Yes, you read that right. “As far as I can tell, it’s the largest Patch Tuesday release from Microsoft of all time.”

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DNS Social Engineering Malware Media 241

Krebs on Security

MARCH 9, 2021

. “As we’ve seen in the past, once PoC details become publicly available, attackers quickly incorporate those PoCs into their attack toolkits,” said Satnam Narang , staff research engineer at Tenable. “There is the outside chance this could be wormable between DNS servers,” warned Trend Micro’s Dustin Childs.

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DNS Internet Internet Software 317

The Last Watchdog

JUNE 1, 2021

It is a type of social engineering cyberattack in which the website’s traffic is manipulated to steal confidential credentials from the users. The Pharming attacks are carried out by modifying the settings on the victim’s system or compromising the DNS server. DNS Poisoning. Use a reliable DNS server.

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DNS Phishing Social Engineering Cyber Attacks 214

SecureWorld News

MAY 16, 2024

Popular services include receiving actionable intelligence on threats targeting their systems and leveraging the NSA's leading malware reverse-engineering skills to remove cyber threats after breaches. It's in NSA's and DoD's best interests to help." Get started by filling out a Cybersecurity Services Contact Form.

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Cybersecurity Small Business DNS Cyber threats 90

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

MARCH 31, 2020

PT Monday evening, Escrow.com’s website looked radically different: Its homepage was replaced with a crude message in plain text: The profanity-laced message left behind by whoever briefly hijacked the DNS records for escrow.com. Running a reverse DNS lookup on this 111.90.149[.]49 Image: Escrow.com.

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Phishing DNS Social Engineering Accountability 287

Krebs on Security

JULY 13, 2021

CVE-2021-34448 is a critical remote code execution vulnerability in the scripting engine built into every supported version of Windows — including server versions. ” Another concerning critical vulnerability in the July batch is CVE-2021-34494 , a dangerous bug in the Windows DNS Server that earned a CVSS score (severity) of 9.8

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DNS Engineering Internet Internet 277

Cisco Security

JUNE 13, 2022

This article is part of a series in which we will explore several features, principles, and the building blocks of a security detection engine within an extended detection and response (XDR) solution. We would need to be smart enough to spot or reverse-engineer what algorithm the machine was following on said data.

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DNS Engineering Authentication Malware 115

Krebs on Security

OCTOBER 11, 2022

Indeed, Satnam Narang , senior staff research engineer at Tenable , notes that almost half of the security flaws Microsoft patched this week are elevation of privilege bugs. Microsoft says that to exploit this vulnerability an attacker would need to know the randomly generated DNS endpoint for an Azure Arc-enabled Kubernetes cluster.

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DNS Internet Internet Cyber threats 273

Threatpost

NOVEMBER 22, 2019

DNS, rogue employees and phishing/social engineering should be top of the list of threat areas for organizations to address.

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Social Engineering DNS Engineering Phishing 86

CyberSecurity Insiders

MAY 18, 2022

Not long ago, it was revealed that T-Mobile had been breached by bad actors who convinced employees to switch their SIM cards to let them bypass two-factor identification — reminding us how effective social engineering can still be. So why aren’t more organizations taking advantage of protective DNS?

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DNS Cybersecurity CISO Social Engineering 140

Security Affairs

DECEMBER 13, 2023

The vulnerabilities addressed by the company impact Microsoft Windows and Windows Components; Office and Office Components; Azure, Microsoft Edge (Chromium-based); Windows Defender; Windows DNS and DHCP server; and Microsoft Dynamic. The IT giant also addressed several Chromium issues. ” reported ZDI.

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DNS Engineering Hacking 112

Cisco Security

JULY 8, 2022

Cisco Umbrella’s market-leading DNS security is currently available with more SaaS security products coming soon. Step 3 – Get access to our world class Cisco Umbrella DNS security offer . From here, you can onboard your clients and start providing the first line of defense through Umbrella DNS Security product instantly.

DNS 122

DNS Marketing Engineering Accountability 122

Security Boulevard

JUNE 22, 2023

Securing SMB Success: The Indispensable Role of Protective DNS Cyber attacks pose as much risk to small and medium-sized businesses (SMBs) as they do to large organizations — if not more. Implementing a Domain Name Service (DNS) security solution is the most efficient way to protect your business against a wide variety of attacks.

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DNS Small Business Cyber Attacks Antivirus 59

Malwarebytes

AUGUST 13, 2021

In particular it stops them looking at your DNS traffic, which can reveal which websites you’re visiting. Ensure that your VPN is disconnected and visit a search engine like DuckDuckGo. Testing for DNS and WebRTC leaks. Even if your VPN passes the basic IP leak test, you should run tests for DNS and WebRTC leaks.

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VPN DNS Internet Internet 101

Malwarebytes

APRIL 4, 2024

Most of the malicious search ads we have seen have originated from Google, but threat actors are also abusing other search engines. Fraudulent Bing ad When searching for “nord vpn” via the Bing search engine, we identified a malicious ad that impersonates NordVPN. The domain name nordivpn[.]xyz

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VPN Advertising DNS Malware 101

Malwarebytes

JULY 4, 2022

DNS encryption. DNS encryption plugs a gap that makes it easy to track the websites you visit. The domain name system (DNS) is a distributed address book that lists domain names and their corresponding IP addresses. You still have to trust the resolver you send your requests to, but the eavesdroppers are out in the cold.

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Internet Internet Technology DNS 111

Krebs on Security

FEBRUARY 26, 2023

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. But we do know the March 2020 attack was precipitated by a spear-phishing attack against a GoDaddy employee.

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Hacking Social Engineering Phishing Scams 268

SC Magazine

APRIL 12, 2021

Name:Wreck adds a second layer of complexity – a common misinterpretation of the DNS standards involving memory pointers and message compression. . If you look at DNS, the original document is from 1983 and then there are several other scattered documents that talk about other ways to prevent problems.

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DNS Internet Internet Media 108

Cisco Security

OCTOBER 28, 2021

Within Cisco Umbrella, we can look at the different events that it logs while monitoring DNS traffic. The Activity Search page shows information such as Identity (from Active Directory configuration), DNS Type, Internal IP, External IP, and the action that Umbrella took on each event. For more information on SecureX: [link].

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Ransomware DNS Marketing Engineering 117

Cisco Security

NOVEMBER 3, 2022

Cisco provided automated malware analysis, threat intelligence, DNS visibility and Intrusion Detection; brought together with SecureX. Domain Name Server (DNS). Firepower Encrypted Visibility Engine (EVE). In the SOC, NetWitness had real time visibility of the traffic traversing the wireless network. Voice over IP.

Wireless 80

Wireless DNS Education Encryption 80

Security Boulevard

OCTOBER 18, 2022

"script" - execute expressions using the JVM script execution engine (javascript.js). dns" - performing dns resolution. The “script”, “dns”, or “url” lookups would allow a crafted string to execute arbitrary scripts when passed to the interpolator object. url" - call to the entered url including remote servers.

DNS 52

DNS Engineering Software 52

Security Affairs

JUNE 22, 2021

The DirtyMoe rootkit was delivered via malspam campaigns or served by malicious sites hosting the PurpleFox exploit kit that triggers vulnerabilities in Internet Explorer, such as the CVE-2020-0674 scripting engine memory corruption vulnerability. ” concludes the analysis.” ” continues the analysis.

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DNS Cryptocurrency Internet Internet 127

Security Affairs

FEBRUARY 9, 2021

Another interesting issue addressed by Microsoft with Microsoft February 2021 Patch Tuesday security updates is a Windows DNS Server Remote Code Execution vulnerability tracked as CVE-2021-24078. “This patch fixes a bug in the Windows DNS Server that could allow remote code execution on affected systems.

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DNS IoT Backups Mobile 98

eSecurity Planet

MAY 24, 2023

A successful DKIM check also verifies ownership of the email by matching the organization in the “from” fields of the email with the DNS associated with the organization. DKIM Fundamentals The Internet Engineering Task Force (IETF) publishes full information on the DKIM and its standards, which were last updated in 2011.

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Technology DNS Encryption Authentication 84

SecureWorld News

OCTOBER 4, 2021

Brian Krebs shared this on Twitter this morning: Confirmed: The DNS records that tell systems how to find [link] or [link] got withdrawn this morning from the global routing tables. FB alone is in control over its DNS records.". "To That's per @DougMadory , who knows a few things about BGP/DNS.". Why is Facebook down?

DNS 81

DNS Media Engineering Accountability 81

Krebs on Security

APRIL 4, 2024

These malicious note sites attract visitors by gaming search engine results to make the phishing domains appear prominently in search results for “privnote.” A review of the passive DNS records tied to this address shows that apart from subdomains dedicated to tornote[.]io, However, testing shows tornote[.]io

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Phishing Cryptocurrency DDOS Internet 216

Cisco Security

NOVEMBER 10, 2021

We’re starting with Cisco Umbrella’s market-leading DNS security , with more SaaS security products coming soon. . Step 3 – Get access to our Cisco Umbrella DNS security offer . From here, you can onboard your clients and start providing the first line of defense through Umbrella DNS Security product instantly. No invoicing.

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DNS Marketing Engineering Accountability 89