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37C3 Potluck CTF - Hungry Helmsman

Hungry Helmsman is a challenge I had the opportunity to solve during the CTF 2023 Potluck, which took place during the 37th Chaos Communication Congress. It's a Kubernetes challenge in which we're initially given a configuration with credentials. Thanks to these credentials, we can deploy a

Active Directory

HTB University CTF 2023: Brains & Bytes - Umbrella

Umbrella is a hard challenge in the FullPwn category that was available at the HTB Uni CTF 2023. It was a box that covered a lot of topics such as ADFS, Nextcloud and Grafana. We'll start by finding some default credentials and usernames on a nextcloud's

Active Directory

Windows Track Northsec 2023 Writeup

The challenge took place during Northsec 2023, an annual cybersecurity event held in Montreal. I was lucky enough to take part in this event thanks to École 2600. For a bit of context, in the Northsec CTF we all embodied employees of the corporation and in this challenge we were

Active Directory

Workshop CrackMapExec LeHack 2023 Writeup

The workshop took place during LeHack 2023, an annual cybersecurity event organized by the HZV association. The aim of the workshop was to compromise an Active Directory environment and become a Domain Admin using CrackMapExec exclusively. We were given the ip range 10.0.0.0/24 as our entry