Challenge Overview

You are hired by a company as a penetration tester. The system administrator wants you to conduct an internal penetration test on the system. The company wants to make sure that the services that are running are secured in such a manner that no unauthorized individual can access their system. As a penetration tester your job is to find flaws in the system and get full access to the system. Your target machine is running Ubuntu and has an IP address 10.10.1.52. The ssh credential are tim and Twz@01lx, use these creds to access the machine and conduct an internal pen test. This machine teaches you hands-on knowledge in Docker Escape, Linux privilege escalation and system hacking.

What You Will Learn

  • Post-exploitation enumeration skills, particularly identifying unusual or misconfigured SUID binaries (such as ss) that can be abused to read sensitive system files.
  • Exploiting SUID misconfigurations to access restricted data (e.g., credential files) and pivot to another user account.
  • Understanding the security risks of Docker group membership, recognizing that users in the docker group can effectively gain root-level control of the host.
  • Performing a Docker escape technique, such as mounting the host filesystem from within a container to manipulate critical system files.
  • Achieving persistent root access, for example by injecting SSH keys into the host’s root account, demonstrating a complete attack chain from initial SSH access (tim / Twz@01lx) to full system compromise on Ubuntu (10.10.1.52).

Program Curriculum

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