Krebs on Security

FEBRUARY 18, 2019

” The DNS part of that moniker refers to the global “ D omain N ame S ystem ,” which serves as a kind of phone book for the Internet by translating human-friendly Web site names (example.com) into numeric Internet address that are easier for computers to manage. PASSIVE DNS.

DNS 271

DNS Internet Internet Government 271

Malwarebytes

SEPTEMBER 13, 2023

The consequences of last year's LastPass breach continue to be felt, with the latest insult to users coming in the form of a highly convincing phishing email. Armed with this data, attackers can send targeted phishing emails that attempt to steal the passwords needed to unlock the stolen password vaults. Use a password manager.

Phishing 137

Phishing Accountability Passwords Password Management 137

Duo's Security Blog

MAY 10, 2023

With advanced language-based AI tools like ChatGPT growing increasingly accessible, the battle to prevent phishing attacks from impacting users is no longer answerable with just one security solution. Why is layered security essential against phishing? PCI DSS, HIPAA, etc.)

Phishing 54

Phishing DNS Authentication Risk 54

Webroot

JANUARY 26, 2022

Phishing attacks sustain historic highs. In their latest report, IDG and the pros behind Carbonite + Webroot spoke with 300 global IT professionals to learn the current state of phishing. Phishing capitalizes on COVID. Phishing attacks have been part of the cybercriminal arsenal for years. Consequences of phishing.

Phishing 102

Phishing DNS Backups Security Awareness 102

SecureList

MAY 1, 2023

Can ChatGPT detect phishing links? We work on applying machine learning technologies to cybersecurity tasks, specifically models that analyze websites to detect threats such as phishing. live/login.php Yes, it is likely a phishing attempt. Is it phishing? Please explain why.

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Phishing DNS Cybersecurity Internet 117

eSecurity Planet

AUGUST 23, 2023

Spear phishing is a more targeted and effective phishing technique that attempts to exploit specific individuals or groups within an organization. While phishing uses a broader range of tactics, such as mass emailing to random recipients, spear phishing is often well-researched and tailored to high-value targets.

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Phishing Social Engineering Authentication Security Awareness 98

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.

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System Administration DNS Engineering Social Engineering 105

Security Boulevard

FEBRUARY 21, 2023

Year after year, phishing tops the list of the leading causes of data breaches. Or maybe the malicious site pretends to be the home of some well-known software and lets the user download an “update” all on their own (with a little malware added…). Once identified, these employees can then be given a refresher course or more training.

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Phishing Software DNS Data breaches 52

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

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.

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DNS VPN Encryption Passwords 116

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. We have observed similar behavior with DNS exfiltration tools such as DNSCAT2.”

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Malware DNS Antivirus Encryption 77

eSecurity Planet

AUGUST 8, 2022

Without the more restrictive enforcement policy, organizations place an unnecessary burden on email security applications and increase the likelihood of a phishing attack successfully impersonating a brand. Domains receiving emails can compare the envelope of the email and compare against DNS records. What is DMARC? What is SPF?

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DNS Phishing Authentication Marketing 114

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. Malware (or users clicking on phishing sites) get by existing defenses on a regular basis.

Firmware 105

Firmware DNS Malware Manufacturing 105

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.

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DNS Phishing Hacking Government 78

Krebs on Security

AUGUST 30, 2019

But when accounts at those CRM providers get hacked or phished, the results can be damaging for both the client’s brand and their customers. Here’s a look at a recent CRM-based phishing campaign that targeted customers of Fortune 500 construction equipment vendor United Rentals. Stamford, Ct.

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Phishing Marketing Accountability DNS 218

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. What was once a clear distinction between mass phishing emails and more targeted spear-phishing attempts is now blurring, making it harder to distinguish between the two.

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Antivirus Education Cyber threats Phishing 89

Malwarebytes

JANUARY 22, 2024

These targets are approached in spear phishing attacks. The group uses social engineering techniques to persuade their targets to open documents or download malware. Once a relationship has been established, the target will receive a phishing link or a document containing such a link.

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Social Engineering Government Media DNS 92

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. by sending a phishing email with a link to a new domain or even with images embedded that call out to a new domain).

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DNS Backups Software Phishing 308

Malwarebytes

FEBRUARY 24, 2023

Over the last few days, scammers have been sending out phishing mails that disguise bogus URLs with something called Slinks— shortened Linkedin URLs. For example, in February of last year Slinks were being used to send people to IRS and PayPal phishes. How to avoid phishing attacks Block known bad websites.

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Phishing Passwords Password Management Scams 95

eSecurity Planet

MAY 24, 2023

A successful DKIM check also verifies ownership of the email by matching the organization in the “from” fields of the email with the DNS associated with the organization. DKIM deploys as text files in an organization’s hosted Domain Name Service (DNS) record, but the standard can be complex to deploy correctly and maintain.

Technology 101

Technology DNS Encryption Authentication 101

SecureList

JUNE 7, 2023

MotW is a Windows security measure — the system displays a warning message when someone tries to open a file downloaded from the internet. Roaming Mantis implements new DNS changer We continue to track the activities of Roaming Mantis (aka Shaoye), a well-established threat actor targeting countries in Asia.

DNS 101

DNS Malware Cryptocurrency Retail 101

eSecurity Planet

JULY 29, 2021

Social engineering can manifest itself across a wide range of cybersecurity attacks: Phishing Smishing Vishing Whaling Pharming Baiting Pretexting Scareware Deepfakes. Phishing is a broad category of social engineering attacks that specifically target most businesses’ primary mode of communication: email.

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Social Engineering Engineering Phishing DNS 126

Webroot

APRIL 13, 2021

Murray cites the availability of ransomware kits on the dark web that anyone can download and figure out how to launch. This includes essential security measures like firewalls, endpoint protection and DNS protection. This is why security awareness training with phishing simulations are increasingly important.

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Ransomware DNS Firewall Security Awareness 123

NetSpi Technical

OCTOBER 19, 2023

Let’s try DNS. To quickly test if we have DNS outbound, we can use Burp Suite Collaborator. This will give us a unique address that we can query and let us know if a DNS request was received. import socket data = socket.gethostbyname_ex(‘<collaborator URL>’) print(repr(data)) We have DNS outbound.

DNS 97

DNS Internet Internet Phishing 97

Security Affairs

MARCH 21, 2022

Ukraine CERT (CERT-UA) warns of spear-phishing ??attacks The Government Team for Response to Computer Emergencies of Ukraine (CERT-UA) warns of spear-phishing messages conducted by UAC-0035 group (aka InvisiMole) against Ukrainian state bodies. attacks conducted by UAC-0035 group (aka InvisiMole) on state organizations of Ukraine.

Spyware 79

Spyware DNS Phishing Government 79

Malwarebytes

JULY 14, 2022

Phishing attacks, vulnerability exploits, DDoS attacks, and much more threaten your company’s Macs at any time — and if any of them are successful, it could cost your business millions in lost productivity and information theft. Use a DNS filter to stop web-based attacks. That’s where DNS filtering comes in.

DNS 98

DNS Adware Malware Antivirus 98

SecureList

MAY 26, 2021

40% users of Kaspersky solutions in the EU encountered at least one phishing attack. 86,584,675 phishing attempts were blocked by Kaspersky solutions in the EU. Number of EU users attacked by financial malware, May 2020 – April 2021 ( download ). Geography of banking malware attacks in the EU, May 2020 – April 2021 ( download ).

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Phishing Malware Ransomware Adware 131

Security Affairs

FEBRUARY 3, 2023

The former is a VBScript used to download next-stage VBScript from a remote server. The attack chain starts with spear-phishing messages with a.RAR attachment named “12-1-125_09.01.2023.” ” One of the methods of getting the C2 IP address relies on the usage of legitimate third-party services, such as Telegram and cloudflare-dns[.]com.

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Malware Spyware DNS Government 84

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. According to recent research , phishing assaults targeted credential harvesting in 71.5% of cases in 2020.

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Phishing Authentication Cyber threats DNS 85

Security Affairs

JANUARY 18, 2022

Trend Micro researchers spotted an elusive threat actor, called Earth Lusca, that targets organizations worldwide via spear-phishing and watering hole attacks. . The first cluster was set up using rented virtual private servers (VPS), it was employed in watering hole and spear-phishing attacks. Both clusters served as a C&C server.

Cryptocurrency 103

Cryptocurrency Social Engineering Media Phishing 103

Security Affairs

JANUARY 13, 2022

The attackers used complex obfuscation techniques in the downloader script. The attack chains starts with a phishing email using a malicious ZIP attachment that contain an ISO image with a loader in the form of JavaScript, a Windows batch file or Visual Basic script. ” reads the analysis published by Talos.

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DNS Malware Cybercrime Ransomware 104

SecureList

FEBRUARY 7, 2022

We have been tracking Roaming Mantis since 2018, and published five blog posts about this campaign: Roaming Mantis uses DNS hijacking to infect Android smartphones. Roaming Mantis dabbles in mining and phishing multilingually. Link from smishing message redirects to Wroba or phishing page. downloads. Impersonated brand.

Phishing 85

Phishing DNS Mobile Malware 85

Security Affairs

SEPTEMBER 14, 2018

In mid-August, the state-sponsored hackers launched a highly targeted spear-phishing email to a high-ranking office in a Middle Eastern nation. “In August 2018, Unit 42 observed OilRig targeting a government organization using spear-phishing emails to deliver an updated version of a Trojan known as BONDUPDATER.

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DNS Phishing Government Malware 76

Security Affairs

MARCH 5, 2020

Security researchers demonstrated that hundreds of sub-domains belonging to Microsoft could potentially be hijacked and abused to deliver malware and for phishing attacks. Let’s consider mybrowser.microsoft.com, it might have resolved by the DNS to something like webserver9000.azurewebsites.net. azurewebsites.net.

DNS 89

DNS Phishing Advertising Malware 89

Security Affairs

DECEMBER 5, 2020

The backdoor uses multiple tricks to evade detection and leverages DNS over HTTPS (DoH) to communicate with its C2 server, using Cloudflare responders. On top of the DNS C2 communication logic, PowerPepper also signals successful implant startup and execution flow errors to a Python backend, through HTTPS.

DNS 78

DNS Phishing Antivirus Encryption 78

Security Affairs

JANUARY 14, 2021

Some of the phishing emails from the current campaign were sent from IP addresses corresponding to a range that belongs to Powerhouse Management, a VPN service. However, experts found differences in the attachments used for phishing emails, the remote access trojans (RATs) used the operator’s C&C infrastructure.

Malware 101

Malware Surveillance Phishing Government 101

Webroot

SEPTEMBER 7, 2023

The number of ransomware attacks has increased by 18% , while the worldwide volume of phishing attacks doubled to 500 million in 2022. Email threat protection and email continuity Email is one of the most common entry points for attacks, from phishing links to ransomware and business email compromise (BEC) to malicious attachments.

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Encryption Cyber Insurance Cybercrime Phishing 88