McAfee

DECEMBER 10, 2021

The most popular lookup currently being seen in both PoCs and active exploitation is utilizing LDAP; however, other lookups such as RMI and DNS are also viable attack vectors. This was done using the public Docker container , and a client/server architecture leveraging both LDAP and RMI, along with marshalsec to exploit log4j version 2.14.1.

DNS 125

DNS Architecture Internet Internet 125

Security Boulevard

NOVEMBER 20, 2023

Get unprecedented visibility into the origins of attacks, the campaign infrastructure being used, and the architecture likely to be used against you in the future. HYAS Insight provides threat and fraud response teams with never-before-seen visibility into everything you need to know about an attack.

Malware 72

Malware Spyware DNS Architecture 72

Duo's Security Blog

DECEMBER 21, 2021

With the new architecture, if a user (for example, Sally) wants to connect to their desktop (for example, sallys-desktop.example.local ), which is inside the corporate network, they simply open their RDP client and connect to sallys-desktop.rdp.example.com. We’ve worked hard to replicate this seamless experience for RDP connections.

VPN 97

VPN Authentication DNS Architecture 97

McAfee

FEBRUARY 4, 2021

This blog is part of our SOCwise series where we’ll be digging into all things related to SecOps from a practitioner’s point of view, helping us enable defenders to both build context and confidence in what they do. . And they didn’t even give it a DNS look up until almost a year later.

DNS 102

DNS Firewall Accountability Technology 102

McAfee

SEPTEMBER 14, 2021

In the blog, they detail the MITRE Tactics and Techniques the actors used in the attack. In this blog, our Pre-Sales network defenders describe how you can defend against a campaign like Operation Harvest with McAfee Enterprise’s MVISION Security Platform and security architecture best practices.

Architecture 87

Architecture DNS Cyber Attacks Phishing 87

Cisco Security

MAY 17, 2021

Which architecture should you choose for worldwide delivery of performant connectivity and top-notch security? This is what SASE (Secure Access Service Edge) is all about, and here at Cisco, we’ve spent the last few years perfecting the architecture and approach to help our customers address their new and evolving needs.

Firewall 75

Firewall Architecture Internet Internet 75

Kali Linux

FEBRUARY 13, 2022

It’s a large one, so it’s going to have its own blog post once ready to help demonstrate its importance to us. kali3-amd64 NOTE: The output of uname -r may be different depending on the system architecture. We have a RSS feeds & newsletter of our blog ! This one is for you bare-metal installers! Edit: Now out !

DNS 52

DNS Architecture Media Encryption 52

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. Attack Chain and Defensive Architecture. As we are writing this blog, on MVISION Insights there are 1,813 IOCs including MD5, SHA256, URL, IP, DOMAIN, HOSTNAME. In ENS (Endpoint Security) 10.7

Malware 98

Malware Risk Internet Internet 98

CyberSecurity Insiders

APRIL 6, 2023

This is the first of a series of consultant-written blogs around PCI DSS. GoDaddy, Network Solutions) DNS service (E.g., GoDaddy, Network Solutions) DNS service (E.g., Many organizations have multiple IAM schemes that they forget about when it comes to a robust compliance framework such as PCI DSS.

Accountability 57

Accountability DNS DDOS VPN 57

Fox IT

JUNE 2, 2020

The purpose of this blog post is to describe the functionality of the two components, the loader and the backdoor. Next, the loader fingerprints the Windows architecture. Once the Windows architecture has been identified, the loader carries out the download. The loader contains two ‘.bazar’

Malware 48

Malware DNS Architecture Backups 48

Security Affairs

APRIL 1, 2019

2014), as described on the MMD blog when MMD detected 5 variants active under almost 15 panels scattered in China network. On the MMD blog. They are not aiming servers with x32 or x64 architecture but the router devices that runs on Linux too.” Figure 1: The ARM version of Elknot malware on MMD blog.

DDOS 85

DDOS Malware Encryption Penetration Testing 85

Security Boulevard

FEBRUARY 7, 2024

Germany-based independent security evaluators AV-TEST found that HYAS Protect Protective DNS is the most effective operational resiliency solution on the market today to drive business continuity and continued operations. While businesses’ entire security stacks do matter, it’s impossible to stop all nefarious activity beforehand.

DNS 69

DNS Architecture Marketing Cyber threats 69

McAfee

AUGUST 23, 2020

“Features are a nice to have, but at the end of the day, all we care about when it comes to our web and cloud security is architecture.” – said no customer ever. As a result, organizations are coming around to the realization that digital transformation demands a corresponding network and security architectural transformation.

Architecture 85

Architecture Digital transformation Internet Internet 85

Security Boulevard

MARCH 13, 2024

It’s also why HYAS clients depend upon our protective DNS solution, HYAS Protect , as a trusted and necessary component of their security stack. HYAS Protect now supports “split-horizon DNS” for handling DNS requests differently depending upon whether the employee is on-network or off. Not if we can help it!

DNS 49

DNS Architecture Cyber threats Phishing 49

Cisco Security

NOVEMBER 2, 2021

Secure Firewall Cloud Native brings together the benefits of Kubernetes and Cisco’s industry-leading security technologies, providing a resilient architecture for infrastructure security at scale. adds support for geolocation and latency-based DNS redirection. Figure 1: Geolocation-based DNS redirection.

Firewall 107

Firewall DNS Architecture Authentication 107

The Last Watchdog

OCTOBER 19, 2021

This sketch by Joanna Rutkowska, one of the founding scientists, is a visualization of the groundbreaking data management architecture Wildland proposes. Users can create bridges and share part of their file systems with others without relying on any centralized databases or lookup systems like DNS, for example.

Internet 223

Internet Internet Cryptocurrency Software 223

Security Affairs

DECEMBER 20, 2018

exe process according to the architecture of the compromised host. Every DNS call from victim computer to internet, matching with the list of banking sites hard-coded in the malware, will be modified; the malware adds in the original page a piece of javascript to steal sensible information such as username, password and session cookie.

Banking 75

Banking Malware Internet Internet 75

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. Re4son-v8+ Architecture: arm64 And then edit the /etc/hosts file as well, changing the line that has kali-raspberry-pi in it to be DESKTOP-UL8M7HT : 127.0.1.1 DESKTOP-UL8M7HT 127.0.0.1 usr/lib/modules/5.15.44-Re4son-v8l+/kernel/drivers/net/wireless/broadcom/brcm80211

Firmware 52

Firmware Wireless Passwords VPN 52

McAfee

SEPTEMBER 14, 2021

McAfee customers are protected from the malware/tools described in this blog. A more detailed blog with specific recommendations on using the McAfee portfolio and integrated partner solutions to defend against this attack can be found here. The hardcoded 208.67.222.222 resolves to a legitimate OpenDNS DNS server. Windows NT 6.3;

Malware 144

Malware DNS Accountability Manufacturing 144

Kali Linux

FEBRUARY 23, 2021

Kali’s Website Until recently, the only way you could be reading this would have been from our RSS feed or directly from our blog (as we only recently made the announcement of the Kali Newletter ). kali3-amd64 NOTE: The output of uname -r may be different depending on the system architecture. " VERSION_ID="2021.1"

Wireless 52

Wireless Firmware DNS Architecture 52

Security Affairs

APRIL 27, 2023

The malicious code performs a DNS request every 24 hours to resolve a subdomain (hardcoded string unique for each victim). “The executable code of BellaCiao compares a resolved IP address returned by a DNS server under the control of a threat actor with an IP address that has been hardcoded into the program.

Malware 96

Malware DNS Media Architecture 96

Cisco Security

DECEMBER 22, 2022

Cisco Umbrella : DNS visibility and security. As a NOC team comprised of many technologies and companies, we are pleased that this Black Hat NOC was the most integrated to date, to provide an overall SOC cybersecurity architecture solution. Integrating Security. Cisco Webex : for incident delivery and collaboration.

DNS 81

DNS Malware Accountability Wireless 81

McAfee

FEBRUARY 5, 2021

Ephemeral C2 servers and single-use DNS entries per asset (not target enterprise) were some of the more well-planned (yet relatively simple) behaviors seen in the Sunburst attack. This blog is a summary of the SOCwise Conversation on January 25th 2020. Watch for the next one! Watch for the next one! .

DNS 58

DNS Architecture Software Authentication 58

Security Boulevard

JUNE 14, 2023

HYAS Insight Threat researchers, fraud researchers and threat investigators around the world can take the indicators of compromise (IOCs) they find, plug them into our data lake, and understand everything they need to know about an attack and the overall campaign architecture. HYAS Protect is for the corporate environment.

DNS 101

DNS Malware Financial Services Architecture 101

Duo's Security Blog

JANUARY 28, 2022

Piloting a new architecture using a low-risk system is a prudent way to implement a new strategy, but it suggests the agency strategies may take some time to deploy. What’s Next?

Authentication 52

Authentication Government DNS Encryption 52

Duo's Security Blog

MAY 10, 2023

Effectively protecting complex networks against sophisticated phishing attacks involves a comprehensive security stack including multi-factor authentication (MFA) , single sign-on (SSO) , and domain name system (DNS) security. Domain name system security (DNS) is another layer of protection that stops users from ever opening fraudulent links.

Phishing 53

Phishing DNS Authentication Risk 53

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

Security Boulevard

APRIL 4, 2022

On September 15, 2021, the DNS records for acme-v01.api.letsencrypt.org Other automation standards include the Enrollment over Secure Transport (EST) and the Simple Certificate Enrollment Protocol (SCEP) as well as solutions associated with enterprise architectures like Microsoft Active Directory. api.letsencrypt.org were removed.

Encryption 52

Encryption Authentication DNS Risk 52

Cisco Security

MAY 27, 2022

In part one of our Black Hat Asia 2022 NOC blog , we discussed building the network with Meraki: . In addition to the Meraki networking gear, Cisco Secure also shipped two Umbrella DNS virtual appliances to Black Hat Asia, for internal network visibility with redundancy, in addition to providing: .

Malware 81

Malware Accountability DNS Technology 81

Cisco Security

AUGUST 26, 2022

This new integration supports Umbrella proxy, cloud firewall, IP, and DNS logs. They include various items like DKIM key inspections, DNS Resource Records and more. Because of Bitglass’ agentless architecture, the joint solution can secure any app, any device, anywhere. A blog on the integration is also available here.

Firewall 127

Firewall Authentication Passwords Threat Detection 127

SecureList

APRIL 27, 2022

While we were unable to obtain the same results by analyzing the CERT-UA samples, we subsequently identified a different WhiteBlackCrypt sample matching the WhisperKill architecture and sharing similar code. On February 23, ESET published a tweet announcing new wiper malware targeting Ukraine.

Malware 130

Malware Firmware Government Phishing 130

Fox IT

JUNE 23, 2020

However, a bug is included in the architecture identification code. The ransomware authors use a well-known method to identify the operating system architecture. Figure 2: Decompilation showing method used to identify operating system architecture. The issue is that this does not work on Windows 10 systems. Windows NT 6.3;

Ransomware 45

Ransomware Encryption Malware Architecture 45

Security Affairs

JANUARY 15, 2020

If so we are facing a state-sponsored group with high capabilities in developing persistence and hidden communication channels (for example over DNS) but without a deep interest in exploiting services. Original Post published on Ramilli’s blog: Iranian Threat Actors: Preliminary Analysis. Cleaver TTP.

Computers and Electronics 76

Computers and Electronics Penetration Testing Malware Government 76

Cisco Security

MAY 24, 2021

Enforce security at the DNS layer. Cisco Umbrella analyses DNS queries to block requests to malicious domains, suspicious files or direct IP connections from command-and-control callbacks. Cisco has designed a reference architecture that will help you phase your project. Attacks are controlled via the internet. What about you?

Firewall 93

Firewall IoT DNS Cyber Attacks 93

Security Boulevard

JANUARY 20, 2022

In this blog, we will share complete technical analysis of the attack chain, the C2 infrastructure, threat attribution, and data exfiltration. We have not added the analysis of these samples in this blog, but they were all configured with the same C2 server, which we have included in the IOCs section. Threat attribution. Attack flow.

Accountability 118

Accountability DNS Phishing Architecture 118