Automated spam detection in Palo Alto Cortex XSOAR

Introduction With our Managed Detect and Respond (MDR) service at NVISO we provide a managed Security Operations Center (SOC) for a large variety of clients across different industries. In our SOC, we rely heavily on automations performed by our SOAR platform Palo Alto Cortex XSOAR to minimize the manual tasks that need to be done … Continue reading Automated spam detection in Palo Alto Cortex XSOAR

The Rise of Adversary Emulation

In this blog post, we will discuss a fairly new concept that has been gaining a lot of traction recently: Adversary Emulation. Adversary emulation aims to test a network‚Äôs resilience against advanced attackers or advanced persistent threats (APTs). To do so, the adversary‚Äôs tactics, techniques, and procedures (TTPs) are emulated along the cyber kill chain, … Continue reading The Rise of Adversary Emulation

Compiling Our Python Decompiler

Following the feedback we get for our py2exe decompiler¬†(a decompiler for Windows executables created by py2exe1), we noticed that there is a community need for this tool. Most of the feedback comments are requests for help related to missing dependencies and similar problems. However, a couple of months ago, there had been an API-breaking release … Continue reading Compiling Our Python Decompiler

Intercepting Belgian eID (PKCS#11) traffic with Burp Suite on OS X / Kali / Windows

TL;DR: You can configure Burp to use your PKCS#11 (or Belgian eID) card to set up client-authenticated SSL sessions, which you can then intercept and modify. This blog post shows how you can easily view and modify your¬†own, local traffic.¬† In order to complete this tutorial, you still need a valid eID card, and the … Continue reading Intercepting Belgian eID (PKCS#11) traffic with Burp Suite on OS X / Kali / Windows

Intercepting HTTPS Traffic from Apps on Android 7+ using Magisk & Burp

Intercepting HTTPS traffic is a necessity with any mobile security assessment. By adding a custom CA to Android, this can easily be done. As of Android Nougat, however, apps don't trust client certificates anymore unless the app explicitly enables this. In this blogpost, we present a new¬†Magisk module, that circumvents this requirement, by automatically adding … Continue reading Intercepting HTTPS Traffic from Apps on Android 7+ using Magisk & Burp