Attacking SQL Server CLR Assemblies
In this blog, I’ll be expanding on the CLR assembly attacks developed by Lee Christensen and covered in Nathan Kirk’s CLR blog series. I’ll review how to create, import, export, and modify CLR assemblies in SQL Server with the goal of privilege escalation, OS command execution, and persistence. I’ll also share a few new PowerUpSQL […]
How to get SQL Server Sysadmin Privileges as a Local Admin with PowerUpSQL
In this blog I outline common techniques that can be used to leverage the SQL Server service account to escalate privileges from a local administrator to a SQL Server sysadmin (DBA).
Common Red Team Techniques vs Blue Team Controls Infographic
In this blog, I’ll share an infographic that illustrates some common red team attack workflows and blue team controls. I’ll also include some basic red & blue team tips.
Establishing Registry Persistence via SQL Server with PowerUpSQL
In this blog I’ll show how to use PowerUpSQL to establish persistence (backdoor) via the Windows registry through SQL Server. I’ll also provide a brief overview of the xp_regwrite stored procedure. This should be interesting to pentesters and red teamers interested in some alternative ways to access the OS through SQL Server. An overview of […]
Get Windows Auto Login Passwords via SQL Server with PowerUpSQL
In this blog I’ll show how to use PowerUpSQL to dump Windows auto login passwords through SQL Server via xp_regread.
Finding Weak Passwords for Domain SQL Servers on Scale using PowerUpSQL
We’ll cover how to use PowerUpSQL to quickly identify SQL logins configured with weak passwords on domain SQL Servers using a standard domain account.
Finding Sensitive Data on Domain SQL Servers using PowerUpSQL
In this blog I’ll show how PowerUpSQL can be used to rapidly target and sample sensitive data stored in SQL Server databases associated with Active Directory domains.
Blindly Discover SQL Server Instances with PowerUpSQL
In this blog I’ll show how PowerUpSQL can be used to blindly discover SQL Server instances on a system, network, or domain.
PowerUpSQL: A PowerShell Toolkit for Attacking SQL Server
The PowerUpSQL module supports SQL Server instance discovery, auditing for common weak configurations, and privilege escalation on scale.