Azure RBAC Privilege Escalations: Azure VM
Microsoft Azure provides administrators with controls to limit the actions a principal can take within the cloud environment. These actions can broadly be split into two categories: those that impact the Entra ID tenant and those that affect the Azure cloud subscription, the latter of which we will call “RBAC actions.” Prior research into Entra […]
ETW Threat Intelligence and Hardware Breakpoints
Learn to bypass EDR detection using NtContinue for hardware breakpoints without triggering ETW Threat Intelligence. This technical blog explores kernel debugging, debug registers, and EDR evasion with code examples.
Introducing Goffloader: A Pure Go Implementation of an In-Memory COFFLoader and PE Loader
We are excited to announce the release of Goffloader, a pure Go implementation of an in-memory COFFLoader and PE loader. This tool is designed to facilitate the easy execution of Cobalt Strike BOFs and unmanaged PE files directly in memory without writing any files to disk. Goffloader aims to take functionality that is conventionally within […]
Advisory: Qlik Original Fix for CVE 2023-41265 Vulnerable to RCE
Overview On August 29th, 2023 Qlik issued a patch for two vulnerabilities we identified in Qlik Sense Enterprise, CVE-2023-41265 and CVE-2023-41266. These vulnerabilities allowed for unauthenticated remote code execution via path traversal and HTTP request tunneling. As part of our standard operating procedure, we performed a diff of the issued patch to identify potential bypasses […]
ZeroQlik: Achieving Unauthenticated Remote Code Execution via HTTP Request Tunneling and Path Traversal
Overview In an effort to safeguard our customers, we perform proactive vulnerability research with the goal of identifying zero-day vulnerabilities that are likely to impact the security of leading organizations. Recently, we decided to take a look at Qlik Sense Enterprise, a data analytics solution similar to Tableau. The recent exploitation of vulnerabilities in the […]
Announcing Gato Version 1.5!
On January 21, 2023 at ShmooCon 2023, Praetorian open-sourced Gato (Github Attack Toolkit), a first of its kind tool that focuses on abusing offensive TTPs targeting self-hosted GitHub Actions Runners. Since then, Praetorian and other offensive security practitioners across the information security community have leveraged Gato for so much more than just self-hosted runner attacks. […]
Technical Advisory – Azure B2C – Crypto Misuse and Account Compromise
Microsoft’s Azure Active Directory B2C service contained a cryptographic flaw which allowed an attacker to craft an OAuth refresh token with the contents for any user account. An attacker could redeem this refresh token for a session token, thereby gaining access to a victim account as if the attacker had logged in through a legitimate […]