tutorial · bandit

Bandit Level 9 → 10

Extract readable strings from binary-looking data and filter by a marker.

By

banditstringsgrep
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Goal

Find one of the few human-readable strings in data.txt, preceded by several equals signs.

Why this matters

Binary artifacts often contain useful embedded text even when direct display is unreadable.

Progressive hints

  1. Hint 1

    Use a tool that extracts printable character sequences.

  2. Hint 2

    Then filter for repeated equals signs.

  3. Hint 3

    Avoid dumping the raw binary into the terminal.

Method

Run only the lines that match the evidence you observe.

strings data.txt | grep '==='

Expected non-secret observation

Only a small set of readable candidate lines appears, including the next credential.

Explanation

strings scans for printable runs; grep limits that output to the official marker.

Troubleshooting

  • Quote the equals pattern.
  • Run strings data.txt alone if the filter returns nothing.

Safety and cleanup

  • Use only the OverTheWire game host and your own local practice directory.
  • Do not paste a level password into this site, screenshots, notes, or submissions. Baitaphish never asks for credentials.
  • Treat commands as learning prompts: inspect paths and flags before running them.

Completion and next step

Use the recovered credential only in the official Level 10 login. Then mark this transition complete and continue.