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c4ptur3-th3-fl4g

A beginner level CTF challenge

Task 1: Translation & Shifting

Translate, shift and decode the following;

Answers are all case sensitive.

Answer the questions below

  1. c4n y0u c4p7u23 7h3 f149?

  2. 01101100 01100101 01110100 01110011 00100000 01110100 01110010 01111001 00100000 01110011 01101111 01101101 01100101 00100000 01100010 01101001 01101110 01100001 01110010 01111001 00100000 01101111 01110101 01110100 00100001

  3. MJQXGZJTGIQGS4ZAON2XAZLSEBRW63LNN5XCA2LOEBBVIRRHOM======

  4. RWFjaCBCYXNlNjQgZGlnaXQgcmVwcmVzZW50cyBleGFjdGx5IDYgYml0cyBvZiBkYXRhLg==

  5. 68 65 78 61 64 65 63 69 6d 61 6c 20 6f 72 20 62 61 73 65 31 36 3f

  6. Ebgngr zr 13 cynprf!

  7. *@F DA:? >6 C:89E C@F?5 323J C:89E C@F?5 Wcf E:>6DX

  8. - . .-.. . -.-. --- -- -- ..- -. .. -.-. .- - .. --- -.

    . -. -.-. --- -.. .. -. --.

  9. 85 110 112 97 99 107 32 116 104 105 115 32 66 67 68

  10. 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Task 2: Spectrograms

A spectrogram is a visual representation of the spectrum of frequencies of a signal as it varies with time. When applied to an audio signal, spectrograms are sometimes called sonographs, voiceprints, or voicegrams. When the data is represented in a 3D plot they may be called waterfalls. 

Answer the questions below

  1. Download the file

Task 3: Steganography

Steganography is the practice of concealing a file, message, image, or video within another file, message, image, or video.


Answer the questions below

  1. Decode the image to reveal the answer.

Task 4: Security through obscurity

Security through obscurity is the reliance in security engineering on the secrecy of the design or implementation as the main method of providing security for a system or component of a system.

Answer the questions below

  1. Download and get 'inside' the file. What is the first filename & extension?

  2. Get inside the archive and inspect the file carefully. Find the hidden text.

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c4ptur3-th3-fl4g

A beginner level CTF challenge

easy

45 min

87,360

User profile photo.

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Score updated
Score updated

Translate, shift and decode the following;

Answers are all case sensitive.

Answer the questions below

c4n y0u c4p7u23 7h3 f149?

01101100 01100101 01110100 01110011 00100000 01110100 01110010 01111001 00100000 01110011 01101111 01101101 01100101 00100000 01100010 01101001 01101110 01100001 01110010 01111001 00100000 01101111 01110101 01110100 00100001

MJQXGZJTGIQGS4ZAON2XAZLSEBRW63LNN5XCA2LOEBBVIRRHOM======

RWFjaCBCYXNlNjQgZGlnaXQgcmVwcmVzZW50cyBleGFjdGx5IDYgYml0cyBvZiBkYXRhLg==

68 65 78 61 64 65 63 69 6d 61 6c 20 6f 72 20 62 61 73 65 31 36 3f

Ebgngr zr 13 cynprf!

*@F DA:? >6 C:89E C@F?5 323J C:89E C@F?5 Wcf E:>6DX

- . .-.. . -.-. --- -- -- ..- -. .. -.-. .- - .. --- -.

. -. -.-. --- -.. .. -. --.

85 110 112 97 99 107 32 116 104 105 115 32 66 67 68

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A spectrogram is a visual representation of the spectrum of frequencies of a signal as it varies with time. When applied to an audio signal, spectrograms are sometimes called sonographs, voiceprints, or voicegrams. When the data is represented in a 3D plot they may be called waterfalls. 

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Steganography is the practice of concealing a file, message, image, or video within another file, message, image, or video.


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Decode the image to reveal the answer.

Security through obscurity is the reliance in security engineering on the secrecy of the design or implementation as the main method of providing security for a system or component of a system.

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Download and get 'inside' the file. What is the first filename & extension?

Get inside the archive and inspect the file carefully. Find the hidden text.