Security Affairs

DECEMBER 20, 2018

The malware tries to connect to the remote host 149.154.157.104 (EDIS-IT IT) through an encrypted SSL channel, then it downloads other components and deletes itself from the filesystem. exe process according to the architecture of the compromised host. Technical Analysis. dll” and “D93C2D64.dll”.

Banking 74

Banking Malware Internet Internet 74

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

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

Security Boulevard

JUNE 14, 2023

That’s essentially the hackers’ mechanism for exploring the target environment, advancing the attack, stealing data and potentially encrypting it to hold the target for ransom. You can deploy HYAS Protect as a cloud-based protective DNS security solution or through API integration with existing cybersecurity services.

DNS 101

DNS Malware Financial Services Architecture 101

Duo's Security Blog

JANUARY 28, 2022

This, in combination with network encryption, will lay a strong foundation against phishing and other common attack vectors. 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

Fox IT

JUNE 23, 2020

The shellcode copies the encrypted payload into another buffer allocated by calling the VirtualAlloc API, and then decrypts this with an XOR based algorithm in a similar way to that described above. WastedLocker aims to encrypt the files of the infected host. This is described in more detail in the String encryption section.

Ransomware 45

Ransomware Encryption Malware Architecture 45

Security Boulevard

APRIL 4, 2022

The Internet Security Research Group (ISRG) originally designed the ACME protocol for its own Let’s Encrypt certificate service. On September 15, 2021, the DNS records for acme-v01.api.letsencrypt.org You can read all about the key points of how ACME works in this blog. Today the protocol has become a standard ( RFC 8555 ).

Encryption 52

Encryption Authentication DNS Risk 52

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

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

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