labs

2026-07-05

NanoCorp - Hard

NanoCorp is a hard difficulty Windows Active Directory machine focused on abusing insecure file extraction behavior, Active Directory ACL misconfigurations, Kerberos authentication quirks, and local privilege escalation through a vulnerable Checkmk agent installation.

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2025-09-16

VulnCicada - Medium

VulnCicada is a Medium Windows Active Directory machine that involves discovering a password inside an image on a public share.

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2025-09-10

Data - Easy

Data is an Easy Linux machine that involves exploiting https://nvd.nist.gov/vuln/detail/CVE-2021-43798, an arbitrary file read via path traversal in Grafana.

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2025-09-07

Retro - Easy

Retro is an Easy Windows machine that showcases an Active Directory Domain Controller.

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2025-09-07

Down - Easy

Down is an easy-rated Linux machine that involves exploiting an arbitrary file read by bypassing a protocol-based filter to discover the source code of the running PHP web app, eventually, a remote code execution to gain an initial foothold.

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