Puzzle Box
August 27, 2025 Towfiqur Rahman
A curious developer left a program called puzzle_box on your workstation. The program prompts for a password to unlock its secret. Rumor has it that the password is derived from a hidden formula in the code. Can you figure it out and retrieve the hidden flag?Provided File: puzzle_box (Windows EXE)Flag Format: BUBT-CTF{***} Hints:-The program uses […]
Read More
Secret Decoder
August 27, 2025 Towfiqur Rahman
A software engineer left a “secret decoder” program on an old USB drive. When you run it, it asks for a password. The password is hidden inside the program in an obfuscated form. Can you analyze the program and reveal the hidden flag?Flag Format: BUBT-CTF{***} Hint:-Analyze the program with strings or a disassembler.-Observe the obfuscated […]
Read More
Magic Calculator
August 26, 2025 Towfiqur Rahman
You stumble upon a small program called magic_calc. It claims to be a “calculator for secret operations,” but if you enter the wrong number, it refuses to work. Rumor has it that entering the right number unlocks a hidden message. Can you figure out the secret number to retrieve the flag?Flag Format: BUBT-CTF{***} Hints:The program […]
Read More
Crack The Lock
August 26, 2025 Towfiqur Rahman
You found a small executable program labeled lockbox. It appears to check for a secret password before revealing its contents. Your task is to analyze the program, understand the check, and retrieve the hidden password to unlock the flag.Flag Format: BUBT-CTF{***} Hint:Reverse the program logic to find the password or computation that reveals the flag.Strings […]