This blog post will cover details around Managed Identities in Azure VMs. During this blog post, we are trying to get a few questions answered, which goes from what Managed Identities are, why people are using them, and if we could abuse them to move laterally, etc. This blog post will be focusing on Managed
I’ve decided to write this blog post to have a better understanding of Azure Virtual Machines. This blog post was more meant for myself. It covers basic stuff around Azure VM administration and some security stuff. There will be more similar blog post around Microsoft Azure topics. Azure Virtual Machine An Azure virtual machine is
You must have been thinking… Is this another blog post about Kerberoasting? Well yes and no. During this time, we will be discussing how to Kerberoast accounts, while trying to stay under the radar from a defender’s perspective. The focus is primary on the technique itself, and not the fact that I’m using PowerShell 😉
Constrained Delegation was introduced in Windows Server 2003 as an improved and more secure version of Unconstrained Delegation. Constrained Delegation allows admins to limit the services to which an impersonated account can connect to. It is using two Kerberos extensions to allow impersonation to only specific services. S4U2Self: An service can request a forwardable Service
Unconstrained Delegation is an insecure feature within Active Directory that allows users or computers to impersonate other accounts on the network. Every time that a user is requesting a Service Ticket from a Domain Controller to access a service. The Domain Controller will make a copy of a user’s TGT, and attach it to the
Service Principals are identities used by created applications, services, and automation tools to access specific resources. It only needs to do specific things, which can be controlled by assigning the required API permissions. The majority of organizations that work a lot with Azure AD, have service principals as well. Every time when an application has
Today I would like to share my experience with doing Cloud forensics in Azure AD. I’ve been working for over a year with Azure Active Directory, and have primary focused on the different security aspects of it. One of my main focus has been doing Cloud forensics, which I will tell more about. I was
Today we are going to talk about our good old friend or better known as Windows Defender AV. Not to confuse with the EDR solution that’s called ”Defender for Endpoint”. Windows Defender is the traditional out of the box antivirus for a Windows machine. In this blog post, we are going to explain why it
In this blog post, we are going to explain how to exfiltrate data over (S)FTP. This blog post is mainly for educational purposes. During this blog post, we will cover everything in steps, which will help the readers being able to simulate this attack by themselves. The goal of this blog post is to demonstrate
During the past year, we have seen ransomware gangs using public tools to exfiltrate data by copying it to an array of a Cloud storage provider. In November 2020, SentinelOne discovered, that adversaries were using such techniques to transfer data from a victim’s machine to a Cloud storage provider. The blog post of SentinelOne can
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