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Shellcast

The sysadmin who ran Shellcast was meticulous about backups. Every week, a snapshot. Every directory, archived. He never thought carefully about what those backups contained — or where they were stored.

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Community

Community Hints

Grade A · 1000 pts Grade B · 700 pts Grade C · 400 pts Grade D · 200 pts + 150 credits on accept

Short, stage-specific nudges — directional, spoiler-light, no exact commands.

Privilege Escalation

The intended path isn't always what works. In that case, learn to improvise. davidkarpinski1 · B · 17 Jun 2026

Community

Community Walkthroughs

Grade A · 2500 pts Grade B · 1750 pts Grade C · 1000 pts Grade D · 500 pts + 300 credits on accept

🔒 Community walkthroughs are spoilers — capture the root flag on this machine to unlock them.