We're thrilled to announce an exciting collaboration with our esteemed partner, Mjolnir Security. Immerse yourself in their renowned “Blue Team Incident Response Training” taking place from the 23rd to the 26th of October. This four-day intensive program promises a...
Detecting JanelaRAT with Yara and THOR
In the last weeks, we observed an increase in .NET based malware using DLL sideloading. A prominent example is JanelaRAT, a recent campaign targeting Latin American FinTech users. Their initial attack involves a phishing email, mainly in Portuguese language. The user...
How to scan Ivanti Endpoint Manager Mobile (EPMM) / MobileIron Core for CVE-2023-35078 Exploitation
In this blog post, we address a critical security concern and explore methods for evaluating potential compromises on devices like Ivanti Endpoint Manager Mobile (EPMM) / MobileIron Core using THOR or the free THOR Lite YARA and IOC scanners. Recently, a severe remote...
How to Perform Compromise Assessments on NetScaler / Citrix ADC Appliances Using THOR
In today's interconnected world, cyber adversaries are increasingly targeting and exploiting Internet-facing appliances and devices with unconventional or restricted operating systems. A pressing concern for users is whether it's possible to perform a compromise...
Hunting Ducks – A Threat Hunters Take on Ducktail Stealer
This post will look into DuckTail Stealer and their current .NET-based payloads. The stealer is well known for targeting marketing companies. Ducktails attacks usually come via email, posing as marketing campaigns or hiring offers. They use legitimate cloud hosts like...
New THOR 10.7.8 TechPreview Features
We are thrilled to unveil THOR 10.7.8, the latest version of our advanced persistent threat (APT) scanner, which brings a host of powerful features to enhance threat detection and analysis. In this blog post, we will highlight some of the notable additions that make...
Scanning for Indications of MOVEit Transfer Exploitation with THOR Lite
On June 1st, the vendor of MOVEit Transfer, previously known as Ipswitch but now called Progress, announced the discovery of a critical security vulnerability that has been exploited. MOVEit is an enterprise software utilized by numerous organizations globally for...
How to scan Docker containers using THOR – Part 2
The first part of this blog series covers how THOR can be used to scan a Docker image. In the second part of this series, we will talk about how you can use THOR to scan running Docker containers. Now, consider this new use case: You want to check if your running...
How to scan Docker images using THOR – Part 1
In this blog article, we will talk about how you can use THOR to scan Docker images. Consider the following use case: Before using an upstream Docker image, you want to precheck it for known IOCs and backdoors. THOR can help you with this!Prerequisites Docker image...
Customer Portal Upgrade – Planned Downtime
We would like to inform you that our customer portal will be undergoing a scheduled maintenance and will be temporarily unavailable on Wednesday, April 12, 2023, between 10:00am and 11:00am CEST. We apologize for any inconvenience this may cause. During this downtime,...
Using THOR Lite to scan for indicators of Lazarus activity related to the 3CX compromise
On March 29, 2023 CrowdStrike detected malicious activity, originating from a legitimate, signed binary called 3CXDesktopApp. The binary is part of a softphone system developed by 3CX.The observed malicious activity consisted of beaconing to infrastructure controlled...
Demystifying SIGMA Log Sources
One of the main goals of Sigma as a project and Sigma rules specifically has always been to reduce the gap that existed in the detection rules space. As maintainers of the Sigma rule repository we're always striving for reducing that gap and making robust and...