Malwarebytes

DECEMBER 1, 2023

For a “normal” connection to a website, a Domian Name System (DNS) finds the IP address for the requested domain name. As I explained in the blog DNS hijacks: what to look for , DNS is the phonebook of the internet to the effect that the input is a name and the output is a number.

DNS 85

DNS Internet Internet Encryption 85

Malwarebytes

MARCH 12, 2024

One malware family we have been tracking on this blog is FakeBat. All the incidents described in this blog have been reported to Google. As always, blocking ads at the source via system policies such as ThreatDown DNS Filter , remains one the most effective ways to stop malvertising attacks in their tracks. cc bandi-cam[.]cc

DNS 112

DNS Malware Software Hacking 112

Cisco Security

MARCH 11, 2021

Our Threat Trends blog series takes a look at the activity that we see in the threat landscape and reports on those trends. After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. Organizations and malicious DNS activity. Cryptomining.

DNS 144

DNS Phishing Ransomware Internet 144

Security Affairs

JUNE 9, 2022

” Experts reported that one interesting technical features implemented by Symbiote is the Berkeley Packet Filter (BPF) hooking functionality, it is the first Linux malware to use this feature to hide malicious network traffic. ” continues the report. ” concludes the report. Pierluigi Paganini.

Malware 144

Malware DNS Antivirus Passwords 144

Krebs on Security

JANUARY 22, 2019

Your Web browser knows how to find a Web site name like example.com thanks to the global Domain Name System (DNS), 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. ” SAY WHAT? 13, 2018 bomb threat hoax.

DNS 235

DNS Internet Internet Computers and Electronics 235

Webroot

FEBRUARY 16, 2021

In recent months, you’ve likely heard about DNS over HTTPS , also known as DNS 2.0 and DoH, which is a method that uses the HTTPS protocol to encrypt DNS requests, shielding their contents from malicious actors and others who might misuse such information. Ultimately, this DNS privacy upgrade has been a long time coming.

DNS 69

DNS Encryption Firewall Network Security 69

Malwarebytes

MARCH 22, 2024

This part is quite critical as the value of a loader is directly tied to the satisfaction of its “customers” In this blog post, we describe a malvertising campaign with a loader that was new to us. ThreatDown users that have DNS Filtering can enable ad blocking in their console to prevent attacks that originate from malicious ads.

Malware 84

Malware System Administration DNS 84

McAfee

FEBRUARY 17, 2021

The concept is to use domain age as a generic traffic filtering parameter. This blog will describe what domain age is, how domains are created and registered, domain age value, and how domain age can be used most effectively as a compliment to other web security tools. Challenges with Using Domain Age as a Generic Filter Criteria.

Internet 65

Internet Internet DNS Risk 65

The Last Watchdog

DECEMBER 13, 2020

It can also deploy web filtering, threat prevention, DNS security, sandboxing, data loss prevention, next-generation firewall policies, information security and credential theft prevention. . It incorporates zero-trust technologies and software-defined wide area networking (SD-WAN). But it much further. The cyber threats landscape.

B2C 214

B2C IoT B2B VPN 214

Cisco Security

MARCH 11, 2021

Our Threat Trends blog series takes a look at the activity that we see in the threat landscape and reports on those trends. After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. Organizations and malicious DNS activity. Cryptomining.

DNS 65

DNS Phishing Ransomware Internet 65

Security Boulevard

JANUARY 30, 2024

Prior blog posts here and here contain additional background and usage examples. If the BOF is used to query logged on users on localhost, the fully qualified computer DNS name from GetComputerNameExW is used. If that fails, the DNS suffix (e.g., REDANIA.LOCAL ) will be converted to a distinguished name (e.g.,

DNS 64

DNS Data collection Accountability 64

Malwarebytes

JUNE 15, 2022

Symbiote’s evasion techniques (Source: Blackberry Threat Vector Blog ). Kennedy, one exciting aspect Symbiote has is its Berkeley Packet Filter (BPF) hooking functionality. The data is hex encoded and chunked up to be exfiltrated via DNS address record requests to a domain name controlled by the threat actor.”

Malware 63

Malware DNS Banking Engineering 63

Webroot

NOVEMBER 7, 2022

A multi-layered approach that includes email security, DNS filtering, endpoint protection, and backup and recovery is essential to mitigating risk and exposure from attacks. The post OpenText Security Solutions 2022 Global SMB Ransomware Survey: Fighting More… with Less appeared first on Webroot Blog.

Ransomware 83

Ransomware Security Awareness DNS Phishing 83

Malwarebytes

FEBRUARY 28, 2024

In this blog post, we detail the latest distribution chain related to this malware. Additionally, EDR customers who have DNS Filtering can proactively block online ads by enabling the rule for advertisements. Threat actors are targeting business users with payloads such as FakeBat, Nitrogen or Hijackloader.

Advertising 76

Advertising Malware Software DNS 76

Duo's Security Blog

MARCH 2, 2022

By nature, SIEMs have powerful querying, filtering and alerting capabilities that customers can build to quickly alert admins and security teams of suspicious login activity. In cases where organizations have a security information and event management (SIEM) tool, Duo always recommends feeding feeding Trust Monitor data into it.

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Authentication Phishing DNS Passwords 100

Security Boulevard

APRIL 19, 2023

Enterprise Security at Home For years, businesses have been able to use HYAS Protect to block communication to threat actor infrastructure by using advanced DNS filtering. Setup takes just minutes, and once in place, HYAS Protect At Home will actively block communication with threat actor infrastructure via DNS filtering.

DNS 72

DNS Banking Password Management Malware 72

Security Boulevard

JANUARY 17, 2024

This blog post describes methods that SpecterOps consultants have researched to successfully circumvent this technology during offensive assessments. This can be accomplished in a couple of different ways depending on the capabilities and configuration of the RBI implementation using either DNS C2 or Third-Party C2.

DNS 64

DNS Penetration Testing Passwords Encryption 64

SiteLock

AUGUST 27, 2021

A CSRF attack was recently used to seize all control of a Brazilian bank’s DNS settings for over five hours. Web application firewalls filter out bad traffic from ever accessing your website. More advanced programmers may opt to manually review their code and implement PHP filters to sanitize user input.

Firewall 98

Firewall eCommerce Malware DNS 98

Webroot

DECEMBER 22, 2020

While you probably already have some combination of security tools in place, such as endpoint protection, DNS or web filtering, etc., The post How to Build Successful Security Awareness Training Programs in 2021 and Beyond appeared first on Webroot Blog. Get buy-in from stakeholders.

Security Awareness 62

Security Awareness Social Engineering Phishing Engineering 62

Lenny Zeltser

NOVEMBER 3, 2023

Another example of guardrails is the use of network security measures, such as DNS filtering, to restrict access to dangerous website categories. Similarly, software developers might need to follow strict change control practices in production while having more leeway in dev environments.

Cybersecurity 100

Cybersecurity Accountability Engineering Authentication 100

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. Email filtering relies on signatures, display names, and content inspection. Other vectors are missed.

DNS 64

DNS Phishing Social Engineering Engineering 64

McAfee

DECEMBER 22, 2021

In this blog, we present an overview of how you can mitigate the risk of this vulnerability exploitation with McAfee Enterprise solutions. As we are writing this blog, on MVISION Insights there are 1,813 IOCs including MD5, SHA256, URL, IP, DOMAIN, HOSTNAME. MCFE Log4Shell Vulnerability Blog: [link]. MVISION UCE.

Malware 98

Malware Risk Internet Internet 98

Troy Hunt

MARCH 9, 2022

Last month as part of my blog post on How Everything We're Told About Website Identity Assurance is Wrong , I spun up a Cloudflare Pages website for the first time and hosted digicert-secured.com there (the page has a seal on it so you know you can trust it). Do check that out if you're going to follow in my footsteps.

Passwords 350

Passwords DNS Accountability Risk 350

Malwarebytes

SEPTEMBER 14, 2022

From industry tips and best practices to the latest Malwarebytes product releases and how-tos, our Business newsletter is chock-full of the best of our business blog. DNS filtering. The next technology you need to prevent cyberattacks is a DNS filter. But first, a little bit about what DNS (domain name system) is.

Technology 65

Technology DNS Cyber Insurance Insurance 65

Security Boulevard

JUNE 28, 2023

You decide to take a look at their DNS cache to get a list of internal resources the user has been browsing and as you look through the list, there are several that you recognize based on naming conventions. Introduction Let me paint a picture for you. One in particular might be interesting: Atlassian.

Authentication 52

Authentication Passwords Penetration Testing Social Engineering 52

Cisco Security

AUGUST 29, 2022

In part one of our Black Hat USA 2022 NOC blog, we discussed building the network with Meraki: Adapt and Overcome. 25+ Years of Black Hat (and some DNS stats), by Alejo Calaoagan. If there is a specific DNS attack that threatened the conference, we supported Black Hat in blocking it to protect the network.

DNS 86

DNS Wireless Malware Firewall 86

Kali Linux

NOVEMBER 27, 2022

In Secure Kali Pi (2022) , the first blog post in the Raspberry Pi series, we set up a Raspberry Pi 4 with full disk encryption. If you are only interested in using the Raspberry Pi as a Wi-Fi client, you can stop here, and unmount everything like we did in our secure Kali Pi blog post. hcd usr/lib/firmware/brcm/BCM-0bb4-0306.hcd

Firmware 52

Firmware Wireless Passwords VPN 52

Malwarebytes

FEBRUARY 28, 2024

Restoring all infected endpoints from secure backups, eliminating the use of local administrator accounts, and implementing application and DNS filtering to control software usage and web access. Changing all administrative and local passwords three times to fortify security.

Malware 83

Malware DNS Surveillance Backups 83

Security Boulevard

MAY 14, 2022

-N Do not try to have the host name of your target DC attempted to perform a reverse DNS on the IP to match them. This is needed when the Domain Controller doesn’t have a valid reverse DNS record from your standpoint on the network and you are using Kerberos. LDAP Search Filters. Filters are like search terms.

Passwords 52

Passwords Accountability Authentication DNS 52

McAfee

FEBRUARY 5, 2021

Least-privilege access, micro segmentation and ingress/egress traffic filtering should be implemented in support of a Zero-Trust program for those assets specifically that allow outside access by a ‘trusted’ 3rd-party. This blog is a summary of the SOCwise Conversation on January 25th 2020. Watch for the next one!

DNS 58

DNS Architecture Software Authentication 58

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 119

Backups DNS Ransomware Antivirus 119

Malwarebytes

APRIL 6, 2023

Malwarebytes added a DNS/Web Content Filtering Module and a Cloud Storage Scanning Module to the mix, rounding off a delectable buffet of cybersecurity enhancements. Keep an eye on our blog and press center for the latest goodness for Malwarebytes for Business! But wait, there's more!

Cybersecurity 69

Cybersecurity Malware Cyber threats Small Business 69

Webroot

FEBRUARY 19, 2021

To sleep at night, MSPs feel they must enhance or expand their security offerings beyond the standard layers, like; firewalls, firewall filtering, active directory protocols, DNS Filtering and antivirus/malware detection. The post Fools Rush in: 5 Things MSPs Should Know Before Adopting EDR appeared first on Webroot Blog.

Insurance 69

Insurance Firewall Cybersecurity DNS 69

Cisco Security

AUGUST 28, 2023

XDR (eXtended Detection and Response) Integrations At Black Hat USA 2023, Cisco Secure was the official Mobile Device Management, DNS (Domain Name Service) and Malware Analysis Provider. SCA detected 289 alerts including Suspected Port Abuse, Internal Port Scanner, New Unusual DNS Resolver,and Protocol Violation (Geographic).

Wireless 68

Wireless DNS Mobile Technology 68

McAfee

AUGUST 23, 2020

In this blog we are going to focus in on remote offices and how the combination of SD-WAN and Next-Generation Secure Web Gateway capabilities offered by MVISION UCE can enable SASE and deliver on the promise of digital transformation. . However, there are major drawbacks to this model. Click here to register.

Architecture 85

Architecture Digital transformation Internet Internet 85

eSecurity Planet

FEBRUARY 25, 2022

Security Measures to Take ‘Right Freaking Now’ SANS Principal Instructor Mick Douglas posted some advice on Twitter for security steps to take “right freaking now” that generated a lot of interest and will soon be the subject of a SANS blog. ” “Watch your egress. Firewalls work both ways. .

B2B 113

B2B Cyber Attacks Firewall Cyber threats 113

SecureList

OCTOBER 26, 2021

In June, more than six months after DarkHalo had gone dark, we observed the DNS hijacking of multiple government zones of a CIS member state that allowed the attacker to redirect traffic from government mail servers to computers under their control – probably achieved by obtaining credentials to the control panel of the victims’ registrar.

Malware 140

Malware Government Surveillance Spyware 140