Cyber Security

OverTheWire – Bandit Challenge – Level 22-> Level 23

Level 22 → 23: Script Analysis (Variables and Hashing) The Challenge The Objective: You are currently logged in as bandit22. Your objective is to find the password for bandit23. Similar to the previous level, this password is being handled by an automated cron job, but the destination file is no longer hardcoded. The Constraints: The […]

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OverTheWire – Bandit Challenge – Level 21 -> Level 22

Level 21 → 22: Time-Based Automation (Understanding Cron) The Challenge The Objective: You are currently logged in as bandit21. Your objective is to find the password for bandit22. Unlike previous levels where passwords were in static files or listening on ports, this password is being actively manipulated by a program running automatically at regular intervals.

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OverTheWire – Bandit Challenge – Level 20 -> Level 21

Level 20 → 21: Reverse Connections (Listening Ports) The Challenge The Objective: You are currently logged in as bandit20. Your objective is to find the password for bandit21. You have been provided with a setuid binary named suconnect in your home directory that will grant you the next password, but only if you interact with

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OverTheWire – Bandit Challenge – Level 19 -> Level 20

Level 19 → 20: Privilege Escalation (The setuid Bit) The Challenge The Objective: You are currently logged in as bandit19. Your objective is to find the password for bandit20. The password is securely stored in /etc/bandit_pass/bandit20, but you cannot read it directly. Instead, you must use a custom executable file located in your home directory

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OverTheWire – Bandit Challenge – Level 17 -> Level 18

Level 17 → 18: File Comparison (The diff Command) The Challenge The Objective: You must first log in as bandit17 using the RSA Private Key you extracted in the previous level. Once inside, your objective is to find the password for bandit18 stored in your home directory. The Constraints: The Solution The Concept: Delta and

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OverTheWire – Bandit Challenge – Level 16 -> Level 17

Level 16 → 17: Port Scanning (Introduction to Nmap) The Challenge The Objective: You are currently logged in as bandit16. Your objective for this level is to find the credentials for bandit17. To get them, you must submit your current bandit16 password to a specific port on localhost. However, the exact port number is unknown;

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OverTheWire – Bandit Challenge – Level 15 -> Level 16

Level 15 → 16: Encrypted Connections (Introduction to SSL/TLS) The Challenge The Objective: You are currently logged in as bandit15. Your objective for this level is to find the password for bandit16. Similar to the previous level, you must retrieve it by submitting your current bandit15 password to a service running on a local port.

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OverTheWire – Bandit Challenge – Level 14 -> Level 15

Level 14 → 15: Network Communication (Talking to Ports) The Challenge The Objective: You are currently logged in as bandit14. Your objective for this level is to find the password for bandit15. Unlike previous levels, the password is not stored in a file. Instead, you must retrieve it by submitting your current bandit14 password to

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OverTheWire – Bandit Challenge – Level 12 -> Level 13

Level 12 → 13: The Russian Nesting Doll (Hexdumps and Compression) The Challenge The Objective: You are currently logged in as bandit12. Your objective for this level is to find the password stored in a file named data.txt. However, this file is a hexdump of a file that has been compressed repeatedly using multiple different

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