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

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.

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Malware DNS Antivirus Encryption 98

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.

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DNS Adware Malware Antivirus 119

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.

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DNS Phishing Social Engineering Engineering 64

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 Antivirus Encryption 123

Security Affairs

DECEMBER 19, 2022

Nozomi analyzed the entire blockchain to discover the C2 domains used by the botnet, the researchers also downloaded over 1500 Glupteba samples from VirusTotal to track the wallet addresses used by the operators. We also recommend monitoring DNS logs and keeping the antivirus software up to date to help prevent a potential Glupteba infection.”

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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 126

Antivirus Phishing Cyber threats Education 126

Security Affairs

FEBRUARY 1, 2019

Security experts at Cybaze – Yoroi ZLab have analyzed a new sample of the AdvisorsBot malware, a downloader that was first spotted in August 2018. The macro code downloads a text string through a WebClient object invoked from the powershell console, then it saves it with.png file extension and run it through the “iex” primitive.

Malware 109

Malware DNS Social Engineering Advertising 109

SecureList

OCTOBER 25, 2023

The infection The first detected shellcode was located within the WININIT.EXE process, which has the ability to download binary files from bitbucket[.]org Notably, the Downloads folder, which would normally contain compiled project binaries, contains five binary files: delta.dat , delta.img , ota.dat , ota.img , and system.img.

Malware 144

Malware DNS Encryption Cryptocurrency 144

Security Affairs

OCTOBER 12, 2019

FIN7 has been observed making small changes to this malware family using multiple methods to avoid traditional antivirus detection, including a BOOSTWRITE sample where the dropper was signed by a valid Certificate Authority. The messages sent to the victims were also dropping the backdoor DNSbot that primarily operates over DNS traffic.

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Identity Theft Hacking Advertising DNS 104

SecureList

MAY 17, 2021

It may also use social engineering to convince victims to download a smartphone app. Bizarro is distributed via MSI packages downloaded by victims from links in spam emails. Once launched, Bizarro downloads a ZIP archive from a compromised website. Bizarreland. Typical malicious message sent by Bizarro operators. Windows NT 5.0′

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Banking Social Engineering Malware Engineering 145

SecureWorld News

MARCH 29, 2024

To set such a stratagem in motion, cybercriminals poison legitimate websites with ads that lead to shady URLs or download malicious code camouflaged as something harmless. If a user gets on the hook, they are redirected to a landing page or prompted to download an ostensibly innocuous file. Consider using an ad blocking extension.

Cybercrime 109

Cybercrime Advertising Engineering Antivirus 109

Security Affairs

JULY 28, 2022

Once compromised the system, threat actors drop the Corelump downloader and inject it directly in memory to evade detection. It supports multiple features, including keylogging, capturing screenshots, exfiltrating files, running a remote shell, and running arbitrary plugins downloaded from KNOTWEED’s C2 server.

Surveillance 100

Surveillance Malware Authentication DNS 100

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.

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Ransomware Antivirus Software Technology 112

eSecurity Planet

SEPTEMBER 7, 2021

Monitoring infrastructure like Domain Name Servers (DNS) and web servers for malicious activity. Endpoint protection software such as EDR tools go way beyond traditional antivirus software to offer advanced features like incident response and vulnerability management. Use endpoint security tools. Behavioral detection.

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Antivirus Risk Software Malware 138

SecureList

DECEMBER 1, 2023

To persuade people to download these mods instead of the official app, the developer claimed that they worked faster than other clients thanks to a distributed network of data centers around the world. The version of Free Download Manager installed by the infected package was released on January 24, 2020. org domain.

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Malware Ransomware Encryption Energy and Utilities 137

Security Affairs

JUNE 4, 2019

This script tries to download another malicious file from “ [link] ”. Moreover, querying the services behind the latest associated DNS record the host responds with “403 Forbidden” message too, indicating the infrastructure may still be operative. Information about C2 and relative DNS. The first file to be executed is “20387.cmd”

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Passwords DNS Engineering Malware 95

Security Affairs

JULY 7, 2019

Firefox finally addressed the Antivirus software TLS Errors. Updates for Samsung, the scam app with 10M+ downloads. Godlua backdoor, the first malware that abuses the DNS over HTTPS (DoH). A cyberattack took offline websites of the Georgia agency. After 2 years under the radars, Ratsnif emerges in OceanLotus ops.

Scams 71

Scams Spyware DNS Surveillance 71

SecureList

JUNE 2, 2022

Confirming our assessment, we later discovered a downloader utility (MD5 4e07a477039b37790f7a8e976024eb66 ) that uses the same unique user-agent as WinDealer samples we analyzed (“BBB”), tying it weakly to LuoYu. Full control over the DNS, meaning they can provide responses for non-existent domains. WinDealer samples.

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Malware Encryption Social Engineering Telecommunications 136

SecureList

MAY 31, 2021

Judging from the main features of the P8RAT and SodaMaster backdoors, we believe these modules are downloaders responsible for downloading further malware which we have so far been unable to obtain. It then downloads and installs the miner. The sample extracts a URL from the “downloadURL” field for the next download.

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Malware Adware Encryption Architecture 139

eSecurity Planet

SEPTEMBER 29, 2021

Adapt and update as malware continues to evolve and become more sophisticated to evade detection by antimalware/antivirus programs. Checks downloads, installs, and executables for viruses and threats. Free download that runs on the desktop. DNS filtering. Integrated one-on-one Spyware HelpDesk support. Scan scheduling.

Ransomware 110

Ransomware Backups Malware VPN 110

CyberSecurity Insiders

MAY 12, 2021

Staff members downloading malware , providing their sign-in info to strangers on the first request without verifying their legitimacy are typical scenarios in this category. Ordinary users. Ordinary users, or pawns, do not realize they do anything bad as they fall victim to phishing and different types of computer viruses sent via email.

Accountability 144

Accountability Scams Risk Software 144

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. of cases in 2020. Blocking the URL domain and IP.

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Phishing Authentication DNS Cyber threats 85

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

Cisco Security

DECEMBER 8, 2022

The problems cover all sorts of services, including streaming platforms, email providers, antivirus subscriptions, and even public records. The file contains a script that launches PowerShell and attempts to download a remote file. Image 21 – Script launching PowerShell to download further files. Defending yourself.

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Scams Phishing Malware Accountability 145

SecureList

NOVEMBER 26, 2021

The attackers obtain initial access to a system by sending a spear-phishing email to the victim containing a Dropbox download link. If the victim opens the document, Microsoft Office downloads the script and runs it using the MSHTML engine. After this, they were tricked into downloading previously unknown malware.

Malware 133

Malware Banking Energy and Utilities Accountability 133

CyberSecurity Insiders

SEPTEMBER 21, 2021

As of August 30, 2021, many malware samples still have zero antivirus (AV) detections and others have low detection rates. 7z to decompress downloaded files. At the end of the execution, the malware deletes any file that has been downloaded. AV TROJAN TeamTNT CoinMiner Payload Download to clean up other Coinminers.

Cryptocurrency 84

Cryptocurrency Malware Passwords Authentication 84

Security Boulevard

JANUARY 17, 2024

Figure 1 — Cloudflare RBI Diagram The primary focus of RBI is to prevent user interactions with web-based malware such as cross-site scripting (XSS), drive-by downloads, and various forms of malicious JavaScript. Antivirus Inspection Not all RBI products will prioritize this time factor. In this function, it does an excellent job.

DNS 64

DNS Penetration Testing Passwords Encryption 64

Fox IT

JUNE 2, 2020

It should be noted that in very early versions of the loader binaries (2342C736572AB7448EF8DA2540CDBF0BAE72625E41DAB8FFF58866413854CA5C), the developers were using the Windows BITS functionality in order to download the backdoor. Once the Windows architecture has been identified, the loader carries out the download. Description.

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Malware DNS Backups Architecture 48

eSecurity Planet

MARCH 14, 2023

Endpoint security : protects endpoints with antivirus, endpoint detection and response (EDR) tools, etc. Other hackers might use a spoofed domain name system (DNS) or IP addresses to redirect users from legitimate connections (to websites, servers, etc.) endpoint security (antivirus, Endpoint Detection and Response, etc.),

Network Security 98

Network Security Firewall Penetration Testing Encryption 98

Security Boulevard

SEPTEMBER 4, 2024

Once a hacker has gained access to a system with Urelas, it’s capable of downloading additional malware — which is where the big threats come in. It infiltrates systems through phishing attacks or malicious downloads. Supply Chain Attack with DNS Safeguards StealC & Vidar Malware Campaign Identified Sign up for the (free!)

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Malware Spyware Software Encryption 59

SecureList

DECEMBER 23, 2020

The fact that someone downloaded the trojanized packages doesn’t also mean they were selected as a target of interest and received further malware, or suffered data exfiltration. Several publicly available data sets, such as the one from John Bambenek, include DNS requests encoding the victim names.

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Malware Telecommunications DNS Government 80

eSecurity Planet

AUGUST 20, 2024

If you’re doing it yourself, visit the Microsoft Store to download the app for the VPN service you’ve chosen to use. or later: Download & Install the Required App This could come from the Google Play store, or be a custom app developed in-house and distributed by your administrator. For phones running Android 9.0

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VPN Internet Internet Encryption 58

SecureList

APRIL 27, 2021

Although Lyceum still prefers taking advantage of DNS tunneling, it appears to have replaced the previously documented.NET payload with a new C++ backdoor and a PowerShell script that serve the same purpose. Our telemetry revealed that the threat group’s latest endeavors are focused on going after entities within one country – Tunisia.

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Malware Government Spyware Social Engineering 145

Security Boulevard

NOVEMBER 19, 2024

IntroductionDiscovered in 2021, Raspberry Robin (also known as Roshtyak) is a malicious downloader that has circulated in the wild for several years, primarily spreading through infected USB devices. file path parameter has been passed.The process is running under a SysWOW64 environment.RUNDLL32.EXE EXE SHELL32.DLL,Control_RunDLL EXE SHELL32.DLL,Control_RunDLL

Antivirus 52

Antivirus Encryption Firewall Architecture 52

eSecurity Planet

AUGUST 23, 2023

Downloading an attachment would, for example, infect the target device with a virus, which could enable hackers to gain access to confidential data, credentials, and networks. Endpoint security tools like EDR typically include security software capable of detecting and blocking dangerous attachments, links, and downloads.

Phishing 98

Phishing Social Engineering Authentication Security Awareness 98

eSecurity Planet

FEBRUARY 8, 2021

Backoff malware, which also dates back to 2013, scrapes memory for track data, logs keystrokes, and connects to a command and control server to upload stolen data and download additional malware. Errors to avoid. Multi-factor authentication is also required for remote access.

Retail 52

Retail Encryption Malware Artificial Intelligence 52