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. ChamelGang was first outed by Russian cybersecurity firm Positive Technologies in September 2021,

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Security Affairs

MAY 1, 2021

The Internet Systems Consortium (ISC) released updates for the BIND DNS software to patch several denial-of-service (DoS) and potential RCE flaws. The most serious vulnerability, tracked as CVE-2021-25216 , is a buffer overflow issue that can lead to a server crash and under specific conditions to remote code execution. S1 -> 9.11.29-S1

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Security Affairs

FEBRUARY 19, 2021

An anonymous researcher initially reported that the Brave’s Tor mode was sending queries for.onion domains to public internet DNS resolvers, other experts confirmed his findings. Piping.onion requests through DNS where your ISP or DNS provider can see that you made a request for an.onion site defeats that purpose.”

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Heimadal Security

JULY 30, 2024

DNS security risks are everywhere, and the stats show it too. A 2021 IDC survey of over 1,100 organizations across North America, Europe, and the Asia Pacific revealed that 87% had encountered DNS attacks.

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Malwarebytes

JULY 12, 2021

Firefox recently announced that it will be rolling out DNS-over-HTTPS (or DoH) soon to one percent of its Canadian users as part of its partnership with CIRA (the Canadian Internet Registration Authority), the Ontario-based organization responsible for managing the.ca The DNS resolver the request is sent to also sees the DNS request, too.

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SecureList

JULY 28, 2021

In terms of big news, Q2 2021 was relatively calm, but not completely eventless. Q2 2021 was no exception: in early July researchers at Netscout reported an increase in attacks using the Session Traversal Utilities for NAT (STUN) protocol. News overview. The bug was named TsuNAME.

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Cisco Security

AUGUST 12, 2021

Cisco Secure returned as a supporting partner of the Black Hat USA 2021 Network Operations Center (NOC) for the 5 th year ; joining conference producer Informa Tech and its other security partners. Threat hunting is a core mission of the Cisco Secure team, while monitoring the DNS activity for potentially malicious activity.

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Security Affairs

AUGUST 20, 2021

The Internet Systems Consortium (ISC) addressed a high-severity denial-of-service (DoS) flaw (CVE-2021-25218) affecting the BIND DNS software. Some operating systems allow packets received via other protocols to affect PMTUD values for DNS over UDP.” SecurityAffairs – hacking, BIND DNS ). Pierluigi Paganini.

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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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Security Affairs

SEPTEMBER 22, 2021

CVE-2021-40847 flaw in Netgear SOHO routers could be exploited by a remote attacker to execute arbitrary code as root. The flaw, tracked as CVE-2021-40847, resides in the source of a third-party component included in the firmware of many Netgear devices. ” concludes the report. Follow me on Twitter: @securityaffairs and Facebook.

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SecureList

DECEMBER 13, 2021

CVE-2021-44228 summary. Last week information security media reported the discovery of the critical vulnerability CVE-2021-44228 in the Apache Log4j library (CVSS severity level 10 out of 10). Kaspersky is aware of PoCs in the public domain and of the possible exploitation of CVE-2021-44228 by cybercriminals. PDM:Exploit.Win32.Generic.

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Security Affairs

FEBRUARY 13, 2025

“ Since 2021, Seashell Blizzard’s subgroup has exploited vulnerable infrastructure using scanning tools, evolving TTPs for persistence and lateral movement. Since 2021, Seashell Blizzards subgroup has used web shells for persistence, the group was observed exploiting Microsoft Exchange (CVE-2021-34473) and Zimbra (CVE-2022-41352).

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The Hacker News

MAY 2, 2022

The issue, which was originally reported in September 2021, affects the Domain Name System (DNS) implementation of two popular C libraries called uClibc and uClibc-ng that are used for developing embedded Linux systems. uClibc is known to be used by major

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Malwarebytes

APRIL 29, 2022

CVE-2021-44228 , commonly referred to as Log4Shell or Logjam. The Cybersecurity and Infrastructure Security Agency (CISA) has launched an open source scanner to find applications that are vulnerable to the Log4j vulnerabilities listed as CVE-2021-44228 and CVE-2021-45046. CVE-2021-40539.

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Security Affairs

JUNE 20, 2024

A China-linked cyber espionage group has compromised telecom operators in an Asian country since at least 2021. The Symantec Threat Hunter Team reported that an alleged China-linked APT group has infiltrated several telecom operators in a single, unnamed, Asian country at least since 2021. ” concludes the report.”

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Cisco Security

NOVEMBER 29, 2021

It was so amazing to return to London for the Black Hat Europe 2021 Network Operations Center (NOC). Because of this, it allows the owner elevated privileges: Granting them the ability install DNS, Global Proxies and many other capabilities. Again, wiping 70 devices ( Black Hat USA 2021 had 300 devices!)

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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.

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SecureList

FEBRUARY 10, 2022

Q4 2021 saw the appearance of several new DDoS botnets. In some cases, DNS amplification was also used. The botnet hijacked new devices by exploiting the CVE-2021-22205 vulnerability, which GitLab patched in April 2021, and carried out DDoS attacks of over 1TB/s. News roundup. beta9 to 2.14.1,

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Security Affairs

SEPTEMBER 14, 2021

Microsoft Patch Tuesday security updates for September 2021 addressed a high severity zero-day flaw actively exploited in targeted attacks. Microsoft Patch Tuesday security updates for September 2021 addressed a high severity zero-day RCE actively exploited in targeted attacks aimed at Microsoft Office and Office 365 on Windows 10 computers.

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McAfee

DECEMBER 10, 2021

Overview: On December 9th, a vulnerability (CVE-2021-44228) was released on Twitter along with a POC on Github for the Apache Log4J logging library. The most popular lookup currently being seen in both PoCs and active exploitation is utilizing LDAP; however, other lookups such as RMI and DNS are also viable attack vectors.

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Security Affairs

FEBRUARY 9, 2021

Microsoft February 2021 Patch Tuesday addresses 56 vulnerabilities, including a flaw that is known to be actively exploited in the wild. The CVE-2021-1732 zero-day is an elevation of privilege issues that resides in the Windows Win32k component. “This is potentially wormable, although only between DNS servers.

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Security Affairs

FEBRUARY 2, 2021

Cyber Defense Magazine February 2021 Edition has arrived. 9TH ANNUAL INFOSEC AWARDSNOW OPEN FOR NOMINATIONS WITH AN INCREDIBLE SOCIAL MEDIA LIVE BOOST AND VIRTUAL RED CARPET TO CELEBRATE OUR WINNERS, HELD DURING RSA CONFERENCE 2021 IN SAN FRANCISCO, CA, USA. The post Cyber Defense Magazine – February 2021 has arrived.

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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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Security Affairs

DECEMBER 19, 2022

The Glupteba botnet is back, researchers reported a surge in infection worldwide after Google disrupted its operation in 2021. In December 2021, Google announced it has taken down the infrastructure operated by the Glupteba botnet, it also sued Russian nationals Dmitry Starovikov and Alexander Filippov for creating and operating the botnet.

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SecureList

NOVEMBER 26, 2021

IT threat evolution Q3 2021. IT threat evolution in Q3 2021. IT threat evolution in Q3 2021. While tracking this threat actor in spring 2021, we discovered a newer version. Targeted attacks exploiting CVE-2021-40444. PC statistics. Mobile statistics. Targeted attacks. WildPressure targets macOS.

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Heimadal Security

MARCH 24, 2021

Hackers exploit software vulnerabilities, the DNS, or even user accounts to get their way. The Minutiae of 2021’s Golden Standard for Cybersecurity appeared first on Heimdal Security Blog. Unfortunately, this is not a singular threat, but a layered issue. This is why your enterprise needs endpoint security.

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Security Affairs

JULY 22, 2021

Multiple major websites, including Steam, AWS, Amazon, Google, and Salesforce, went offline due to Akamai DNS global outage. A software configuration update triggered a bug in the Akamai DNS which took offline major websites, including Steam, the PlayStation Network, AWS, Google, and Salesforce. SecurityAffairs – hacking, DNS).

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eSecurity Planet

AUGUST 13, 2021

This article looks at the top digital forensic software tools of 2021 and what customers should consider when buying or acquiring a DSF tool. Best Digital Forensics Software Tools of 2021. In 2021, the India-based provider works in over 70 countries with more than 400 clients, including the NIST, NASA, and Wells Fargo.

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eSecurity Planet

MAY 28, 2021

We look at three RSAC 2021 sessions and some of the most daunting vulnerabilities presented by the SANS Institute, Cybersecurity and Infrastructure Security Agency (CISA), and Varonis Systems. Also Read: And the Winner of the 2021 RSA Innovation Contest is… SANS: Five dangerous new attack techniques and vulnerabilities.

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SecureList

MAY 31, 2021

On March 2, Microsoft released out-of-band patches for four zero-day vulnerabilities in Exchange Server that are being actively exploited in the wild (CVE-2021-26855, CVE-2021-26857, CVE-2021-26858 and CVE-2021-27065). It then downloads and installs the miner.

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Security Affairs

DECEMBER 10, 2024

billion (equal to USD 326 million) between 2021 and 2023. Based on available Passive DNS records, Resecurity identified over 144 domain names registered by the actors in the.com,om,site,top and.icu domain zones. Notably, some of the domain names identified in the observed campaign have been registered via Chinese domain registrars.

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Security Boulevard

APRIL 16, 2022

The post BSides Budapest 2021: Piotr Glaska’s ‘DNS in Offensive Techniques’ appeared first on Security Boulevard. Our thanks to BSides Budapest IT Security Conference for publishing their superb security videos on the organization’s’ YouTube channel.

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Krebs on Security

FEBRUARY 26, 2023

We don’t know much about the source of the November 2021 incident, other than GoDaddy’s statement that it involved a compromised password, and that it took about two months for the company to detect the intrusion. What else do we know about the cause of these incidents?

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Malwarebytes

AUGUST 18, 2022

According to Verizon , 82 percent of data breaches in 2021 involved the human element—with phishing attacks making up over 60 precent of these. With Malwarebytes DNS filtering , however, you can prevent a large swath of phishing attacks. How to block phishing domains with DNS filtering. Photo credits: Phishing.org.

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Security Boulevard

APRIL 4, 2025

Increase monitoring and logging of DNS and network traffic; and set up fast flux alert mechanisms. Also discussed: The future of the State and Local Cybersecurity Grant Program (SLCGP), which was established in 2021 to help boost SLTT governments cybersecurity preparedness and which is set to expire in September.

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Security Affairs

MARCH 3, 2021

Cyber Defense Magazine March 2021 Edition has arrived. 9TH ANNUAL INFOSEC AWARDSNOW OPEN FOR NOMINATIONS WITH AN INCREDIBLE SOCIAL MEDIA LIVE BOOST AND VIRTUAL RED CARPET TO CELEBRATE OUR WINNERS, HELD DURING RSA CONFERENCE 2021 IN SAN FRANCISCO, CA, USA. The post Cyber Defense Magazine – March 2021 has arrived.

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eSecurity Planet

JULY 30, 2021

Express Micro-Tunnels have built-in failover and don’t require DNS resolution. The post Top Microsegmentation Software for 2021 appeared first on eSecurityPlanet. Doesn’t make use of a middleman “controller” node to ensure direct, private communication between sites and clouds. Unisys Stealth.

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