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There are multiple administrative tools available today which helps developers and operation teams in managing Docker hosts/swarms. Such tools require high privileges to perform various operations (e.g. starting a container with special capabilities, attaching to any container etc.). However, if they are not protected well, they can lead to compromise.
In this lab exercise, you are provided the web UI of a Portainer instance running on a Docker host. This instance is using weak credentials. The attacker launched a dictionary attack on the login form and recovered the following credentials:
Objective: Get shell access on the host machine and retrieve the flag kept in the root directory of the host system!
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- Attacking the lab infrastructure
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