Security Boulevard

APRIL 14, 2022

In April 2022, hackers targeted the customers of eight Malaysian banks by urging them to download malicious apps. The post What is DNS Spoofing and Cache Poisoning? The post What is DNS Spoofing and Cache Poisoning? The apps stole user credentials and forwarded the messages to the malware operators. appeared first on EasyDMARC.

DNS 70

DNS Social Engineering Cybercrime Banking 70

Security Affairs

APRIL 24, 2024

The researchers noticed that the downloaded package file is replaced with a malware-laced one on the wire because the process doesn’t use an HTTPS connection. dlz is downloaded and unpacked by eScan updater The contents of the package contain a malicious DLL (usually called version.dll ) that is sideloaded by eScan.

Antivirus 69

Antivirus Malware DNS Cryptocurrency 69

Malwarebytes

AUGUST 18, 2022

With Malwarebytes DNS filtering , however, you can prevent a large swath of phishing attacks. Our DNS filtering module extends our Nebula platform to help prevent risks introduced from nefarious websites and downloadable web content. How to block phishing domains with DNS filtering. Photo credits: Phishing.org.

DNS 63

DNS Phishing Small Business Spyware 63

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. The second variant. ” reads the analysis published by the experts.

DNS 81

DNS Malware Advertising DDOS 81

Malwarebytes

APRIL 9, 2024

Victims are tricked into downloading and running the Nitrogen malware masquerading as a PuTTY or FileZilla installer. Click here for more information about DNS filtering via our Nebula platform. The malicious ads are displayed as sponsored results on Google’s search engine page and localized to North America.

System Administration 108

System Administration DNS Engineering Social Engineering 108

SecureList

DECEMBER 18, 2020

At the moment, we identified approximately ~100 customers who downloaded the trojanized package containing the Sunburst backdoor. In the initial phases, the Sunburst malware talks to the C&C server by sending encoded DNS requests. DNS CNAME request-response pairs (Copyright 2020 by FireEye, Inc.). avsvmcloud[.]com”

DNS 74

DNS Telecommunications Malware Encryption 74

The Hacker News

MARCH 16, 2022

A previously undocumented backdoor has been observed targeting Linux systems with the goal of corralling the machines into a botnet and acting as a conduit for downloading and installing rootkits.

DNS 101

DNS Encryption 101

SecureList

MARCH 13, 2024

Opening it, an attentive user will immediately notice an amusing inconsistency: the website address contains the line vnote , the title offers a download of Notepad‐‐ (an analog of Notepad++ , also distributed as open-source software), while the image proudly shows Notepad++. ap-hongkong[.]myqcloud[.]com. transferusee[.]com/onl/mac/<md5_hash>

DNS 96

DNS Advertising Engineering Internet 96

Malwarebytes

APRIL 4, 2024

The website looks incredibly convincing, and victims will be tricked into downloading the app from there. Unlike the legitimate NordVPN that goes through a sign up process, here you can directly download the installer from Dropbox. Threat actors are able to roll out infrastructure quickly and easily to bypass many content filters.

VPN 104

VPN Advertising DNS Malware 104

Security Affairs

AUGUST 19, 2019

It allows users using web browsers to set up user accounts, Apache, DNS, file sharing and much more. You can download the #metasploit module exploits of #0days via this link => [link]. It seems that only offical downloads have been compromised with a backdoor along with the SourceForge repository. Pierluigi Paganini.

Passwords 80

Passwords System Administration Advertising DNS 80

SecureList

JANUARY 22, 2024

Next, it “patched” the downloaded app: tool compared the first 16 bytes of the modified executable with a sequence hardcoded inside Activator and removed them in the case of a match: Checking the first 16 bytes of the executable The app amusingly started working and appeared to have been cracked.

Software 105

Software DNS Computers and Electronics Malware 105

Security Affairs

AUGUST 31, 2022

The phishing emails contain a Microsoft Office attachment that includes an external reference in its metadata which downloads a malicious template file. Upon opening the document, a malicious template file is downloaded and saved on the system. jpg” that appears as an image of the First Deep Field captured by JWST is downloaded.

Malware 86

Malware DNS Antivirus Encryption 86

Security Affairs

DECEMBER 3, 2023

The backdoor is written in.NET and leverages the domain name service (DNS) protocol to establish a covert communication channel with the command and control infrastructure. The experts discovered a domain hard-coded in plain text in the code, it was used to establish the DNS covert channel.

Malware 126

Malware DNS Retail Education 126

Security Affairs

JANUARY 18, 2024

. “In order to boot from the network, a client system must be able to locate, download, and execute code that sets up, configures, and runs the operating system. ” reads the advisory. ” states CERT/CC. . ” states CERT/CC.

Firmware 106

Firmware DNS Advertising Architecture 106

Malwarebytes

MARCH 12, 2024

Each downloaded file is an MSIX installer signed with a valid digital certificate (Consoneai Ltd). ThreatDown EDR detects the PowerShell execution and creates an alert: Conclusion FakeBat continues to be a threat to businesses via malicious ads for popular software downloads. org onenote-download[.]com ar estiloplus[.]tur[.]ar

DNS 116

DNS Malware Software Hacking 116

Security Affairs

FEBRUARY 12, 2024

While they can’t directly read your password, they can still download malware or gather enough information to steal your identity. DNS Spoofing DNS (Domain Name System) is like the internet’s phone book, translating domain names into IP addresses.

DNS 124

DNS VPN Encryption Passwords 124

Security Boulevard

JUNE 24, 2021

This sample was interesting in that it tunnels information over DNS as its preferred command and control (C2) mechanism. We downloaded two PCAPs from the malware samples.Read more ». The post Corelight Sensors detect the ChaChi RAT appeared first on Security Boulevard.

DNS 87

DNS Malware 87

Google Security

MARCH 2, 2023

Additionally, Google Domains is now making an API available to allow for DNS-01 challenges with Google Domains DNS servers to issue and renew certificates automatically. Google Domains and ACME DNS-01 ACME uses challenges to validate domain control before issuing certificates. Under section “ACME DNS API”, click “Create token”.

DNS 94

DNS Accountability Authentication Internet 94

Webroot

MARCH 9, 2021

For even more tips from Webroot IT security experts Tyler Moffitt, Kelvin Murray, Grayson Milbourne, George Anderson and Jonathan Barnett, download the complete e-book on hacker personas. DNS (Domain Name System) is especially vulnerable. However, cybercriminals can also use legal DNS traffic surveillance to their advantage.

Hacking 116

Hacking DNS Surveillance Cybercrime 116

Malwarebytes

MARCH 22, 2024

Malware loaders (also known as droppers or downloaders) are a popular commodity in the criminal underground. One of the big differences though is the download link. The malicious payload is downloaded via a 2 step redirection chain which is something we don’t always see. not sandboxes) before pushing other malware.

Malware 86

Malware System Administration DNS 86

SecureList

JUNE 5, 2023

Satacom downloader, also known as LegionLoader, is a renowned malware family that emerged in 2019. 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.

Cryptocurrency 79

Cryptocurrency DNS Malware Encryption 79

Security Affairs

SEPTEMBER 22, 2021

Experts noticed that database updates from Netgear are unsigned and downloaded via Hypertext Transfer Protocol (HTTP), allowing the attacker to carry out a MitM attack on the device. However, database updates from Netgear are unsigned and downloaded via Hypertext Transfer Protocol (HTTP).”

DNS 127

DNS Firmware VPN Risk 127

Security Affairs

NOVEMBER 5, 2021

The attack chain starts with a downloader module on a victim’s server in the form of a standalone executable format and a DLL. The DLL downloader is run by the Exchange IIS worker process w3wp.exe. Attackers used a modified EfsPotato exploit to target proxyshell and PetitPotam flaws as an initial downloader.

Ransomware 126

Ransomware Backups Encryption DNS 126

eSecurity Planet

JUNE 8, 2022

Downloading, Installing & Configuring InsightIDR. Downloading InsightIDR. Downloading InsightIDR. From the next screen that pops up, click Auto Configure: In our environment, InsightIDR picked up on Active Directory, LDAP and DNS services being present. Installing the InsightIDR collector. InsightIDR pricing.

DNS 91

DNS Data collection Marketing Passwords 91

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. “For

Passwords 119

Passwords DNS Malware Advertising 119

Malwarebytes

JULY 14, 2022

Use a DNS filter to stop web-based attacks. Reed also mentions that a lot of adware and PUPs are part of the payload of scam sites that direct you to some kind of installer that you download — and so having some sort of web-based protection is vital. That’s where DNS filtering comes in. Don’t rely on Mac AV – use EDR.

DNS 105

DNS Adware Malware Antivirus 105

Malwarebytes

JUNE 30, 2022

The vulnerability or chain of vulnerabilities allow the threat actor to download a binary, then execute it on the host. The threat actor can then use DNS hijacking and HTTP hijacking to cause the connected devices to install other malware. DNS hijacking. Drop the RAT.

DNS 97

DNS Malware Small Business Firmware 97

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. Chrome downloads security updates automatically, but users still need to restart the browser for the updates to fully take effect.

DNS 288

DNS Backups Software Phishing 288

Security Affairs

DECEMBER 29, 2021

The attackers were observed performing multiple connectivity checks via DNS lookups for a subdomain under dns[.]1433[.]eu[.]org The researchers explained that multiple threat actors utilize publicly accessible DNS logging services like dns[.]1433[.]eu[.]org org , running on the VMware Horizon instance.

DNS 92

DNS Hacking Malware Information Security 92

SecureList

DECEMBER 6, 2023

After starting, the Trojan creates log files and attempts to obtain a C&C server IP address via DNS-over-HTTPS (DoH), thus making the DNS request indistinguishable from a regular HTTPS request and hiding it from traffic monitoring. None of the versions were flagged by any anti-malware vendors as malicious. akamaized[.]ca

Software 87

Software DNS Malware Mobile 87

Security Boulevard

JUNE 21, 2023

On bootup, the malware will try to reach out to command-and-control (C2) threat infrastructure to receive instructions and download more payloads. Initially the malware has been downloading a payload to perform pay-per-click, or ad-click, fraud. Though I personally wouldn't like my devices being used for click-fraud either.

DNS 104

DNS Firmware Malware Manufacturing 104

Malwarebytes

FEBRUARY 28, 2024

Throughout 2023, we observed a continuation in malvertising chains related to software downloads. Threat actors are using decoy websites to trick users into downloading malware. At the time, victims who clicked the ad and visited the site were tricked with a download for NetSupport RAT.

Advertising 78

Advertising Malware Software DNS 78

Approachable Cyber Threats

FEBRUARY 1, 2024

Have a valid forward and reverse DNS record for sending IPs Additionally, for bulk senders: Implement both SPF and DKIM Publish a valid DMARC policy Support one-click unsubscribe and honor user requests within two (2) days “What does this mean for me?” Contact Us Download our FREE Social Media Security Guide Follow us - stay ahead.

DNS 52

DNS Authentication Accountability Cybersecurity 52

eSecurity Planet

FEBRUARY 19, 2024

Users can download it manually, by navigating to Zoom’s download page , or automatically, by opting to download the latest version when Zoom prompts them to do so. February 19, 2024 ExpressVPN Split Tunneling Disabled after Discovered Vulnerability Type of vulnerability: DNS traffic leak.

VPN 92

VPN DNS Ransomware Software 92

Security Affairs

MARCH 16, 2021

Upon successful exploitation, the attackers try to download a malicious shell script, which contains further infection behaviors such as downloading and executing Mirai variants and brute-forcers.” “The attacks are still ongoing at the time of this writing. “The attacks are still ongoing at the time of this writing.

Wireless 122

Wireless IoT DNS VPN 122

Security Affairs

DECEMBER 20, 2022

Experts pointed out that Gamaredon group has used the fast flux DNS technique to increase the resilience of the infrastructure from law enforcement takedown and make hard denylisting of the IP addresses associated with it. Infrastructure using fast flux DNS rotates through many IPs daily and each IP was used for a short time.

DNS 87

DNS Phishing Hacking Government 87

Malwarebytes

JANUARY 22, 2024

The group uses social engineering techniques to persuade their targets to open documents or download malware. The main targets of the Coldriver group are high-profile individuals in non-governmental organizations (NGOs), former intelligence and military officials, and NATO governments. These targets are approached in spear phishing attacks.

Social Engineering 99

Social Engineering Government Media DNS 99