Fox IT

AUGUST 11, 2022

This Saitama implant uses DNS as its sole Command and Control channel and utilizes long sleep times and (sub)domain randomization to evade detection. In May 2022, security firm Malwarebytes published a two 1 -part 2 blog about a malware sample that utilizes DNS as its sole channel for C2 communication. Introduction.

DNS 66

DNS Engineering Malware Encryption 66

Security Boulevard

JANUARY 17, 2024

This blog post describes methods that SpecterOps consultants have researched to successfully circumvent this technology during offensive assessments. Antivirus Inspection Not all RBI products will prioritize this time factor. This can be due to encryption or even size.

DNS 64

DNS Penetration Testing Passwords Encryption 64

Security Boulevard

MARCH 3, 2023

MalVirt loaders use multiple techniques to evade detection by antivirus software, endpoint detection and response (EDR) software, and other common security tools. It generates encrypted traffic to multiple domains hosted on different IP addresses through different hosting companies. Next-gen protective DNS.

Phishing 59

Phishing DNS Malware Antivirus 59

Security Boulevard

MAY 17, 2023

Most of these steps could’ve been blocked with the aid of DNS protection. It was an old strain that would normally be detected by most antivirus and endpoint detection and response (EDR) vendors. The process involves encryption and decryption prior to verifying transactions.

Data breaches 52

Data breaches DNS Malware Phishing 52

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. Before proceeding to the technical analysis part, it is worth mentioning that the strings are not encrypted. Any received files from the command and control server are sent in an encrypted format.

Malware 48

Malware DNS Architecture Backups 48

Security Affairs

APRIL 9, 2019

The installed payload actually is a Base64 encoded PE32 file, file-lessly stored within the registry hive to avoid antivirus detection. Also, the attacker behind this sample leans on the Dynamic DNS service “warzonedns.com”, pointing to the 213.183.58[.10 Figure 5: Final payload written in the registry key in base64 Format.

Malware 71

Malware Advertising DNS Antivirus 71

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