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.

DNS 59

DNS Small Business Cyber Attacks Antivirus 59

Security Affairs

AUGUST 31, 2022

At the time of publication, this particular file is undetected by all antivirus vendors according to VirusTotal” The Base64 encoded payload, once decrypted, is a Windows 64-bit executable (1.7MB) called “msdllupdate.exe.”. “This technique works by sending an encrypted string appended to the DNS query set as a subdomain.

Malware 98

Malware DNS Antivirus Encryption 98

Malwarebytes

JULY 14, 2022

Use a DNS filter to stop web-based attacks. That’s where DNS filtering comes in. The source of all of these kinds of attacks is through the web, and DNS filtering can help with that by blocking some of those sites,” Reed says. Learn more about the ways DNS filtering can save your business from cyberattacks.

DNS 103

DNS Adware Malware Antivirus 103

Security Affairs

JUNE 27, 2021

“While the Windows system is in safe mode antivirus software doesn’t work. The researchers started investigating the threat after they became aware that the malware was disabling and uninstalling its antivirus from infected devices. “It also uses WQL to query all antivirus software installed SELECT * FROM AntiVirusProduct.”

Antivirus 139

Antivirus Cryptocurrency Malware Software 139

Webroot

AUGUST 10, 2022

Malware Solution Option: Windows 11 adoption remains very slow which highlights the importance of incorporating a layered security approach that includes DNS protection to help reduce infection rates. In fact, there are 31% fewer infections when endpoint and DNS protection are combined. PHISHING PREYED ON A VOLATILE MARKET.

Threat Reports 89

Threat Reports DNS Phishing Malware 89

Security Affairs

APRIL 16, 2020

Linksys has reset passwords for all its customers’ after learning on ongoing DNS hijacking attacks aimed at delivering malware. Hackers compromise D-Link and Linksys routers and change DNS settings to redirect users to bogus sites proposing a fake COVID-19 information app from the World Health Organization.

Passwords 143

Passwords DNS Malware Advertising 143

eSecurity Planet

FEBRUARY 4, 2022

Antivirus Software WiFi 6 Routers Virtual Private Networks Password Managers Email Security Software Web Application Firewall Bot Management Software. Antivirus Software. Also Read: 4 Best Antivirus Software of 2022. Key Features of Antivirus Software. Best Antivirus Protection for Consumers. Back to top.

Internet 144

Internet Internet Software Antivirus 144

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. The registration records for the website Cryptor[.]biz ” Crypt[.]guru’s

Malware 237

Malware Antivirus Cybercrime Hacking 237

Security Affairs

NOVEMBER 26, 2019

Security researchers from SEC Consult Vulnerability Lab discovered that multiple Fortinet products use a weak encryption cipher (“XOR” with a static key) and cryptographic keys to communicate with the FortiGuard Web Filter, AntiSpam and AntiVirus cloud services. UDP ports 53, 8888 and TCP port 80 (HTTP POST /fgdsvc). Pierluigi Paganini.

Encryption 140

Encryption Antivirus DNS Advertising 140

Security Boulevard

FEBRUARY 7, 2024

Germany-based independent security evaluators AV-TEST found that HYAS Protect Protective DNS is the most effective operational resiliency solution on the market today to drive business continuity and continued operations. While businesses’ entire security stacks do matter, it’s impossible to stop all nefarious activity beforehand.

DNS 69

DNS Architecture Marketing Cyber threats 69

Identity IQ

MARCH 9, 2023

Change Your DNS Settings One way to protect your device from a fake hotspot is to change your DNS settings. You can do this by entering your network settings and changing the DNS server to one that is more trustworthy. A hacker can use the information they’ve gathered to access your accounts and steal your information.

VPN 98

VPN Antivirus Identity Theft Passwords 98

Security Affairs

JUNE 22, 2021

Experts pointed out that the number of infected systems could be far greater because data provided by AVAST are only related to systems running their antivirus solution. Communication with C&C servers is based on DNS requests and it uses a special mechanism translating DNS results to a real IP address.

DNS 145

DNS Internet Internet Malware 145

Security Boulevard

MAY 20, 2024

This discovery, coupled with historical passive DNS data linking the IP to a domain infamous from previous DNS tunneling campaigns suggests a significant and ongoing threat. Historical passive DNS data from 2023 links this IP to a claudfront.net domain, known for its involvement in DNS tunneling campaigns.

DNS 59

DNS Malware Education Phishing 59

Security Affairs

DECEMBER 19, 2022

The experts used passive DNS records to uncover Glupteba domains and hosts and analyzed the latest set of TLS certificates used by the bot to figure out the infrastructure used by the attackers. We also recommend monitoring DNS logs and keeping the antivirus software up to date to help prevent a potential Glupteba infection.”

DNS 111

DNS Antivirus Cryptocurrency Software 111

Webroot

MAY 6, 2024

Keep all devices updated with the latest security patches, and use reputable antivirus solutions that can block suspicious downloads and identify malicious software. For businesses, this means implementing strong antivirus software, endpoint protection solutions, and regular software updates.

Antivirus 98

Antivirus Education Cyber threats Phishing 98

SecureList

MARCH 10, 2021

Back then, cybercriminals distributed malware under the guise of the Malwarebytes antivirus installer. After substituting the DNS servers, the malware starts updating itself by running update.exe with the argument self-upgrade (“C:Program Files (x86)AdShieldupdater.exe” -self-upgrade). Distributed under the name adshield[.]pro,

DNS 144

DNS Antivirus Malware Encryption 144

Security Affairs

DECEMBER 5, 2020

. “In strict accordance with DeathStalker’s traditions, the implant will try to evade detection or sandboxes execution with various tricks such as detecting mouse movements, filtering the client’s MAC addresses, and adapting its execution flow depending on detected antivirus products.”

DNS 118

DNS Phishing Encryption Antivirus 118

Security Affairs

OCTOBER 15, 2019

The malicious code is used by the hackers to deliver a Moner (XMR) crypto miner that is not detected by almost any antivirus solution. “the actor moved away from hosting the scripts on dedicated servers and instead started to use Domain Name System (DNS) text records. .

Cybercrime 78

Cybercrime DNS Malware Advertising 78

Krebs on Security

MARCH 28, 2021

Oddly, none of the several dozen antivirus tools available to scan the file at Virustotal.com currently detect it as malicious. I’d been doxed via DNS. The Krebsonsecurity file also installs a root certificate, modifies the system registry, and tells Windows Defender not to scan the file. Just my Social Security number.

Hacking 356

Hacking Cybercrime DNS Internet 356

Webroot

JUNE 21, 2021

It may be as simple as the deployment of antivirus plus backup and recovery applications for your end users, or a more complex approach with security operations center (SOC) tools or managed response solutions coupled with network security tools such as DNS and Web filtering, network and endpoint firewalls, VPNs, backup and recovery and others.

Backups 127

Backups DNS Ransomware Antivirus 127

Daniel Miessler

MAY 8, 2020

Change your DNS to 1.1.1.2, Next, you can consider changing your DNS settings on all your devices to use those by Cloudflare. Many security professionals stopped using antivirus many years ago, and more and more are doing so as native offerings from operating systems improve. One could argue putting this in the basic section.

Passwords 255

Passwords DNS Accountability IoT 255

eSecurity Planet

MAY 2, 2024

50,000 DDoS attacks on public domain name service (DNS) resolvers. 553% increase in DNS Flood attacks from 1H 2020 to 2H 2023. DDoS attacks on single networks or websites render them unavailable, but DDoS attacks on DNS resolvers bring down all networks and websites using that DNS resource.

Cybersecurity 121

Cybersecurity DDOS Penetration Testing Passwords 121

Security Affairs

MARCH 20, 2022

EU and US agencies warn that Russia could attack satellite communications networks Avoslocker ransomware gang targets US critical infrastructure Crooks claims to have stolen 4TB of data from TransUnion South Africa Exotic Lily initial access broker works with Conti gang Emsisoft releases free decryptor for the victims of the Diavol ransomware China-linked (..)

DNS 98

DNS Antivirus DDOS Hacking 98

Security Affairs

MAY 8, 2022

Raspberry Robin spreads via removable USB devices Malware campaign hides a shellcode into Windows event logs US gov sanctions cryptocurrency mixer Blender also used by North Korea-linked Lazarus APT How the thriving fraud industry within Facebook attacks independent media QNAP fixes multiple flaws, including a QVR RCE vulnerability Anonymous and Ukraine (..)

IoT 98

IoT DNS Antivirus Malware 98

Security Affairs

FEBRUARY 21, 2021

PayPal addresses reflected XSS bug in user wallet currency converter The kingpin behind Jokers Stash retires with a billionaire exit France agency ANSSI links Russias Sandworm APT to attacks on hosting providers French and Ukrainian police arrested Egregor ransomware affiliates/partners in Ukraine The malicious code in SolarWinds attack was the work (..)

Data breaches 98

Data breaches DNS Firmware Antivirus 98

eSecurity Planet

SEPTEMBER 26, 2023

FortiSASE User Subscriptions The basic user subscription for the FortiSASE product provides secure internet access through SSL inspection, inline antivirus, inline sandbox, intrusion prevention systems (IPS), botnet command and control protection, inline CASB, inline DLP, website filtering, and DNS address filtering. Mbps of bandwidth.

Firewall 98

Firewall DNS Technology Antivirus 98

Security Affairs

JUNE 9, 2022

“Network telemetry can be used to detect anomalous DNS requests, and security tools such as antivirus and endpoint detection and response (EDR) should be statically linked to ensure they are not “infected” by userland rootkits.” Since the malware operates as a userland level rootkit, detecting an infection may be difficult.”

Malware 145

Malware DNS Antivirus Passwords 145

eSecurity Planet

JULY 1, 2022

The attacks include ZuoRAT, a multi-stage remote access Trojan (RAT) that specifically exploits known vulnerabilities in SOHO routers to hijack DNS and HTTP traffic. See the Best Antivirus Software. How to Protect Against ZuoRAT.

Malware 117

Malware DNS Antivirus Internet 117

Security Affairs

FEBRUARY 4, 2021

The Matryosh initially decrypts the remote hostname and uses the DNS TXT request to obtain TOR C2 and TOR proxy, then it connects with the TOR proxy. Experts found a similarity of C2 instructions employed by the Moobot threat actor , which continues to be very active in this period. ” concludes the post. ” concludes the post.

DDOS 140

DDOS DNS Antivirus Malware 140

SecureList

JUNE 5, 2023

It is known to use the technique of querying DNS servers to obtain the base64-encoded URL in order to receive the next stage of another malware family currently distributed by Satacom. To do so, it performs a DNS request to don-dns[.]com com (a decrypted HEX string) through Google DNS (8.8.8.8, com don-dns[.]com

Cryptocurrency 90

Cryptocurrency DNS Malware Encryption 90

CyberSecurity Insiders

JUNE 29, 2023

Executive summary Credential harvesting is a technique that hackers use to gain unauthorized access to legitimate credentials using a variety of strategies, tactics, and techniques such as phishing and DNS poisoning. Running an antivirus scan on the asset. of cases in 2020. Blocking the URL domain and IP.

Phishing 85

Phishing Authentication Cyber threats DNS 85

Security Affairs

DECEMBER 16, 2021

In these attacks, HAFNIUM-associated systems were observed using a DNS service typically associated with testing activity to fingerprint systems.” In addition, HAFNIUM, a threat actor group operating out of China, has been observed utilizing the vulnerability to attack virtualization infrastructure to extend their typical targeting.

Ransomware 109

Ransomware DNS Antivirus Hacking 109

Krebs on Security

NOVEMBER 11, 2019

For instance, included in the Pastebin files from Orvis were plaintext usernames and passwords for just about every kind of online service or security product the company has used, including: -Antivirus engines. DNS controls. Data backup services. Multiple firewall products. Linux servers. Cisco routers. Netflow data.

Retail 198

Retail Passwords Wireless Backups 198

eSecurity Planet

JUNE 8, 2023

It can be time consuming to establish these protocols on an organization’s DNS servers, but doing so will provide two key benefits. Email security tools offer features that screen emails for malicious content using antivirus, anti-spam, DNS, attachment, and other analytics.

Firewall 80

Firewall DNS Authentication Malware 80

Security Boulevard

MAY 17, 2023

Most of these steps could’ve been blocked with the aid of DNS protection. It was an old strain that would normally be detected by most antivirus and endpoint detection and response (EDR) vendors. There are still many opportunities to thwart an attack at the DNS level. The malware itself wasn’t particularly sophisticated, either.

Data breaches 52

Data breaches DNS Malware Phishing 52

SecureWorld News

MARCH 29, 2024

A DNS firewall and a classic antivirus are somewhat underused yet effective security tools that will come in handy. And don't underestimate the effectiveness of reputable antivirus software, as it can stop most malvertising attacks in their tracks. Double-check the URLs of landing pages that load after you click advertisements.

Cybercrime 85

Cybercrime Advertising Engineering Antivirus 85

SC Magazine

JULY 12, 2021

Between the DNS attacks and ongoing ransomware scourge, it’s beyond time for providers to seek more creative responses to cyber challenges even with limited budgets, in combination with participation in threat-sharing programs and while relying on free or low-cost resources.

Ransomware 112

Ransomware Software Antivirus Technology 112