Shellcast

Your sudo privileges deserve a closer look. Even if an older technique no longer exists, the same tool may still provide another route to the same destination. Focus on its current capabilities rather than outdated features.

Think about what permissions are currently assigned to your user account. Investigate how the system configuration defines which binaries you are authorized to run with elevated privileges. Analyze the output carefully to identify any binary that might offer an unintended path to higher access.

During the privilege escalation phase, although the path is obvious, if it doesn't work for you, know that with a quick search on GTFObins you can discover other capabilities of a binary with excessive permissions that may also give you the flag.