Krebs on Security

JULY 18, 2022

These two software are currently unknown to most if not all antivirus companies.” “Using the internal router, it would be possible to poison the DNS cache of the LAN router of the infected node, enabling further attacks.” The Exe Clean service made malware look like goodware to antivirus products.

VPN 349

VPN Computers and Electronics Antivirus Software 349

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 144

Antivirus Cryptocurrency Malware Software 144

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 141

Encryption Antivirus Advertising DNS 141

Security Boulevard

OCTOBER 2, 2023

This blog examines the escalating phishing landscape, shortcomings of common anti-phishing approaches, and why implementing a Protective DNS service as part of a layered defense provides the most effective solution. This is where Protective DNS comes in. No reliance on match lists, signatures, or patterns.

DNS 64

DNS Phishing Social Engineering Engineering 64

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

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.

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DNS Adware Malware Antivirus 123

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

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.

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DNS Internet Internet Malware 145

Security Affairs

JULY 15, 2024

Indicators such as DNS queries to a Remmina-related domain suggest the attacker is likely a Linux-based user. “While NetScan ran on the primary Veeam backup server, antivirus (AV) protection was disabled on the virtual machine host, both through antivirus user interfaces (UI) and through the command line.”

Backups 141

Backups Ransomware Antivirus DNS 141

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. In May 2022, security firm Malwarebytes published a two 1 -part 2 blog about a malware sample that utilizes DNS as its sole channel for C2 communication. Introduction.

DNS 66

DNS Engineering Malware Encryption 66

SecureList

NOVEMBER 6, 2024

SteelFox resolves this via Google Public DNS and DNS over HTTPS (DoH). GitHub payloads After that, the malware resolves the IP address behind the ankjdans[.]xyz xyz domain which serves as a C2 server. Although the domain is hardcoded, switching IPs behind it helps the attacker remain undetected. communication.

Software 123

Software Cryptocurrency Malware DNS 123

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 110

Threat Reports DNS Phishing Malware 110

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 145

DNS Antivirus Malware Encryption 145

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 224

Retail Passwords Wireless Backups 224

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.

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Malware DNS Antivirus Encryption 98

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.”

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DNS Phishing Encryption Antivirus 124

Krebs on Security

NOVEMBER 4, 2018

Sometimes, antivirus products will detect the presence of these malicious scripts and block users from visiting compromised sites, but for better or worse none of the sites I mentioned here currently are flagged as malicious by any of the more than five dozen antivirus tools at the file-scanning service virustotal.com.

Antivirus 264

Antivirus Hacking Internet Internet 264

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 93

Cybercrime DNS Malware Advertising 93

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.

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Backups DNS Ransomware Antivirus 131

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.

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DDOS DNS Antivirus Malware 141

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.

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Antivirus Education Cyber threats Phishing 123

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 112

DNS Antivirus Cryptocurrency Software 112

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

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 102

Data breaches DNS Firmware Antivirus 102

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

Krebs on Security

SEPTEMBER 6, 2021

The common acronym in nearly all of Saim Raza’s domains over the years — “FUD” — stands for “ F ully U n- D etectable,” and it refers to cybercrime resources that will evade detection by security tools like antivirus software or anti-spam appliances.

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Software Phishing Cybercrime Accountability 294

Security Affairs

DECEMBER 14, 2024

The malware remained undetected by VirusTotal antivirus engines as of December 2024. It employs DNS over HTTPS (DoH) to evade network monitoring tools and encrypts configurations with AES-256-CBC. The Iranian group claims to have compromised 200 gas stations in Israel and the U.S. d/S93InitSystemd.sh.

IoT 107

IoT Malware DNS Antivirus 107

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 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

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

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 110

Ransomware DNS Antivirus Hacking 110

Security Affairs

APRIL 21, 2019

Analyzing OilRigs malware that uses DNS Tunneling. Avast, Avira, Sophos and other antivirus solutions show problems after. European Commission is not in possession of evidence of issues with Kaspersky products. Justdial is leaking personal details of all customers real-time. Cisco addresses a critical bug in ASR 9000 series Routers.

Computers and Electronics 95

Computers and Electronics Advertising Data breaches Spyware 95

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

FEBRUARY 1, 2019

It retrieves: System Info; Computer IP address; Network status; List of running processes; Available privileges; Usernames; Domain Admins; File on desktop machine; AntiVirus product on computer. Last DNS activity was in December 2018. Figure 14 – previous DNS of C2. Figure 7 – System information stealed by malware.

Malware 109

Malware DNS Social Engineering Advertising 109

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

eSecurity Planet

APRIL 18, 2022

Antivirus and EDR tools, SIEM systems (security information and event management), security vendors, software, hardware, firmware, and operating systems. Public WHOIS data such as DNS name servers, IP blocks, and contact information. Credentials, emails, employee names, roles, departments/divisions, and physical location.

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Penetration Testing DNS Firmware Antivirus 144