Krebs on Security

MARCH 9, 2021

For the second month in a row, Microsoft has patched scary flaws in the DNS servers on Windows Server 2008 through 2019 versions that could be used to remotely install software of the attacker’s choice. “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 353

Security Affairs

FEBRUARY 18, 2020

Having said that I found Income Tax Department India and MIT Sloan was also vulnerable to CVE-2019-0604 a remote code execution vulnerability which exists in Microsoft SharePoint. 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.

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DNS Advertising Government Hacking 144

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. on the CVSS scale and affects Windows Server versions 2003 to 2019. The SigRed flaw was discovered by Check Point researcher Sagi Tzaik and impacts Microsoft Windows DNS.

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DNS Government Advertising Engineering 139

Krebs on Security

JANUARY 24, 2020

On December 23, 2019, unknown attackers began contacting customer support people at OpenProvider , a popular domain name registrar based in The Netherlands. 23, 2019, the e-hawk.net domain was transferred to a reseller account within OpenProvider. ” Dijkxhoorn shared records obtained from OpenProvider showing that on Dec.

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DNS Social Engineering Engineering Accountability 313

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. At that time, the criminals compromised Wi-Fi routers for use in DNS hijacking, which is a very effective technique. Agent.eq (a.k.a

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DNS Mobile Malware Accountability 144

The Last Watchdog

MARCH 28, 2019

I had the chance at RSA 2019 to discuss the wider implications with Don Shin, A10 Networks’ senior product marketing manager. 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. A10 Networks’ report found 6.3 Beyond DDoS.

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DDOS IoT DNS Internet 263

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 108

Security Affairs

JANUARY 23, 2019

DHS has issued a notice of a CISA emergency directive urging federal agencies of improving the security of government-managed domains (i.e.gov) to prevent DNS hijacking attacks. The notice was issued by the DHS and links the emergency directive Emergency Directive 19-01 titled “Mitigate DNS Infrastructure Tampering.”.

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DNS Government Advertising Telecommunications 111

Krebs on Security

JANUARY 22, 2019

Your Web browser knows how to find a Web site name like example.com thanks to the global Domain Name System (DNS), which serves as a kind of phone book for the Internet by translating human-friendly Web site names (example.com) into numeric Internet address that are easier for computers to manage. ” SAY WHAT? 13, 2018 bomb threat hoax.

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DNS Internet Internet Computers and Electronics 268

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.

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DNS Firewall Social Engineering Risk 140

Tech Republic Security

OCTOBER 9, 2019

million to restore services after each DNS attack. A new study says financial services organizations experienced an average of 10 attacks a year and spent an average of $1.3

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DNS Financial Services 153

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 325

Krebs on Security

DECEMBER 8, 2020

Additionally, Microsoft released an advisory on how to minimize the risk from a DNS spoofing weakness in Windows Server 2008 through 2019. These vulnerabilities affect Microsoft Excel 2013 through 2019, Microsoft 365 32 and 64 bit versions, Microsoft Office 2019 32 and 64 bit versions, and Microsoft Excel for Mac 2019.”

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DNS Backups Malware Software 335

Adam Levin

FEBRUARY 27, 2019

The Internet Corporation for Assigned Names and Numbers (ICANN), charged with overseeing Domain Name Systems (DNS), published an announcement that companies have moved too slowly to adopt security standards that would have mitigated several recent large-scale cyberattacks. This practice is called “DNS hijacking.”.

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DNS Internet Internet Technology 183

Bleeping Computer

APRIL 29, 2024

A new cluster of activity tracked as "Muddling Meerkat" is believed to be linked to a Chinese state-sponsored threat actor's manipulation of DNS to probe networks globally since October 2019, with a spike in activity observed in September 2023. [.]

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Security Affairs

JANUARY 10, 2019

Security expert uncovered a DNS hijacking campaign targeting organizations in various industries worldwide and suspects Iranian APT groups. “ Experts monitored the activities of threat actors between January 2017 and January 2019. . “ Experts monitored the activities of threat actors between January 2017 and January 2019.

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DNS Telecommunications Government Encryption 109

Krebs on Security

DECEMBER 19, 2024

” According to Intel 471, this same Discord account was advertised in 2019 by a person on the cybercrime forum Cracked who used the monikers “ ORN ” and “ ori0n.” A passive DNS lookup on this domain at DomainTools.com shows that its email records pointed to the address ori0nbusiness@protonmail.com.

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Hacking Cybercrime Advertising Data breaches 230

Security Affairs

JULY 14, 2020

on the CVSS scale and affects Windows Server versions 2003 to 2019. 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.

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DNS Advertising Malware Hacking 95

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. com domain. ” states the analysis. ” states the analysis.

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DNS Malware Advertising DDOS 107

PerezBox Security

SEPTEMBER 16, 2019

In September of 2019 Mozilla will begin releasing DNS over HTTPS (DOH) in Firefox via their Trusted Recursive Resolver (TRR) program. A primer on DNS Security. The post Mozilla Introduces Mechanism to Hijack all DNS Traffic in the Name of Privacy appeared first on PerezBox. The change is based.

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DNS Information Security 91

Security Affairs

SEPTEMBER 4, 2019

Cyber Defense Magazine September 2019 Edition has arrived. In addition, we’re shooting for 7x24x365 uptime as we continue to scale with improved Web App Firewalls, Content Deliver Networks (CDNs) around the Globe, Faster and More Secure DNS and CyberDefenseMagazineBackup.com up and running as an array of live mirror sites.

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DNS Advertising Firewall Mobile 97

Security Affairs

AUGUST 1, 2019

Cyber Defense Magazine August 2019 Edition has arrived. In addition, we’re shooting for 7x24x365 uptime as we continue to scale with improved Web App Firewalls, Content Deliver Networks (CDNs) around the Globe, Faster and More Secure DNS and CyberDefenseMagazineBackup.com up and running as an array of live mirror sites.

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DNS Advertising Firewall Mobile 95

Security Affairs

JULY 1, 2019

Cyber Defense Magazine July 2019 Edition has arrived. Cyber Defense Magazine July 2019 Edition has arrived. The post Cyber Defense Magazine – July 2019 has arrived. We hope you enjoy this month’s edition…packed with over 168 pages of excellent content. Please read it and share it with your friends.

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DNS Advertising Firewall Mobile 99

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 340

Krebs on Security

MARCH 2, 2020

HYAS said it quickly notified the French national computer emergency team and the FBI about its findings, which pointed to a dynamic domain name system (DNS) provider on which the purveyors of this attack campaign relied for their various malware servers. ‘FATAL’ ERROR.

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DNS Penetration Testing Malware Hacking 298

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.

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Malware DNS Firewall Software 143

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 76

Security Affairs

DECEMBER 27, 2024

Some of the vulnerabilities exploited by the botnets are CVE-2015-2051 , CVE-2019-10891 , CVE-2022-37056 , and CVE-2024-33112. The malware FICORA is a variant of the Mirai malware, it includes DDoS attack capabilities using multiple protocols such as UDP, TCP, and DNS. ” reads the report published by Fortinet.

Architecture 68

Architecture Malware DNS DDOS 68

Security Affairs

APRIL 8, 2019

Researchers detected Roaming Mantis-related malware over 6,800 times for more than 950 unique users in the period between February 25 and March 20, 2019. Attackers used a new method of phishing with malicious mobile configurations along with previously observed DNS manipulation technique.

DNS 110

DNS Mobile Phishing Malware 110

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).

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Social Engineering Engineering DNS Accountability 105

Cisco Security

AUGUST 12, 2021

For several years, Cisco Secure provided DNS visibility and architecture intelligence with Cisco Umbrella and Cisco Umbrella Investigate ; and automated malware analysis and threat intelligence with Cisco Secure Malware Analytics (Threat Grid) , backed by Cisco Talos Intelligence and Cisco SecureX. DNS traffic at Record Low.

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DNS Firewall Malware Mobile 145

Security Affairs

JULY 13, 2019

The campaign uncovered by Avast aimed at silently modifying the Brazilian users’ Domain Name System (DNS) settings to redirect victims to malicious websites mimicking legitimate ones. In some cases the router is reconfigured to use rogue DNS servers, which redirect victims to phishing pages that closely look like real online banking sites.

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DNS Passwords Advertising Banking 105

SecureList

OCTOBER 18, 2021

During the live program, we presented our research into the Lyceum group (also known as Hexane), which was first exposed by Secureworks in 2019. As in the older DanBot instances, both variants supported similar custom C&C protocols tunneled over DNS or HTTP.

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DNS Telecommunications Malware Accountability 133

Heimadal Security

JANUARY 18, 2022

Since at least 2019, a massive cyber-espionage operation targeting mainly renewable energy and industrial technology entities has been operational, impacting more than fifteen organizations all over the world.

Technology 103

Technology DNS Cybersecurity 103

Security Affairs

SEPTEMBER 26, 2024

In August, 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.

Internet 128

Internet Internet DNS Telecommunications 128

Security Affairs

OCTOBER 5, 2020

The experts are monitoring the Mirai-based botnet since November 2019 and observed it exploiting two Tenda router 0-day vulnerabilities to spread a Remote Access Trojan (RAT). ” When the botnet was first detected in 2019, experts noticed it was exploiting the Tenda zero-day flaw tracked as CVE-2020-10987.

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IoT Firmware Advertising DNS 145

Security Affairs

OCTOBER 15, 2019

The cybercrime organization was first spotted in April 2018 by researchers at Cisco Talos, earlier 2019 researchers from Palo Alto Networks Unit42 found new malware samples used by the Rocke group for cryptojacking that uninstalls from Linux servers cloud security and monitoring products developed by Tencent Cloud and Alibaba Cloud.

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Cybercrime DNS Malware Advertising 92