Tag: windows

30 articles
Date Tue 13 October 2026
Author Lucas Laise
Category Vulnerability

MyReport is a report generation software often used as a component of web-based applications. We describe a privilege escalation and remote code execution vulnerabilities in MyReport Updater 2.1.1 through its update configuration and gRPC service.

Date Thu 01 October 2026
Author Lucas Laise
Category Vulnerability

Local privilege escalation in the Cato VPN Client through the split-tunnel upload flow, from named pipe to SYSTEM delete and Windows Installer rollback.

Date Tue 07 April 2026
Author Lucas Laise
Category Vulnerability

Exploitation of an arbitrary directory deletion via symlink following in the antivirus Intego.

Date Tue 03 March 2026
Author Lucas Laise
Category Vulnerability

Three vulnerabilities in Avira Internet Security, from an arbitrary file delete primitive to two distinct paths to SYSTEM privileges.

Date Tue 02 December 2025
Author Lucas Laise
Category Vulnerability

Exploitation of the K7 antivirus (CVE-2025-67826), from the vulnerability discovery to the retro-analysis of its key components.

Date Thu 09 October 2025
Author Luis Casvella
Category Pentest

Bring Your Own Vulnerable Driver (BYOVD) is a well-known post-exploitation technique used by adversaries. This blog post is part of a series. In part one we saw how to abuse a vulnerable driver to gain access to Ring-0 capabilities. In this second and final part, we provide a technical explanation on how to perform reflective driver loading.

Date Tue 23 September 2025
Author Luis Casvella
Category Pentest

Bring Your Own Vulnerable Driver (BYOVD) is a well-known post-exploitation technique used by adversaries. This blog post is part of a series. We will see how to abuse a vulnerable driver to gain access to Ring-0 capabilities. In this first post we describe in detail the exploitation of vulnerabilities found in a signed Lenovo driver on Windows.

Date Thu 30 May 2024
Author Tanguy Faivre d'Arcier
Category File Formats

We did a quick study on the most common ways to deliver malware through LNK files.

Date Tue 26 March 2024
Author Lucas Di Martino
Category Containers

This second article describes how to convert a Silo into a Server Silo in order to create a Windows Container. In addition, it dives into certain Kernel side Silo mechanisms.

Date Thu 21 September 2023
Author Lucas Di Martino
Category Containers

This article presents the internals of Windows Container.