Obfuscation CTF

SCOREBOARD

Old scores from 2018
Old scores from Sept 23, 2019

0 Welcome (1)

Enter this greeting into the form below.

HELLO

Your Name:

Greeting:

1 Hidden (5)

Find the hidden word:

AIGHRO CGEHKI HKDIST RACTIO NVBFWO KEGGBG

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Your Name:

Plaintext:

2 Reverse (5)

Find the cleartext from this ciphertext:

RAER EHT OT GNICNAVDA

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Your Name:

Plaintext:

3 Off the Rails (10)

Find the cleartext from this ciphertext:

LDEIEACNN

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HINT

Your Name:

Plaintext:

4 Columnar (10)

Find the cleartext from this ciphertext:

DCNSG OOSTE RLARS IUROT CMENQ

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HINT

Your Name:

Plaintext:

5 ROT13 (10)

Find the cleartext from this ciphertext:

GBBFVZCYR

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HINT

Your Name:

Plaintext:

6 Caesar (10)

Find the cleartext from this ciphertext:

BHBJO XJUI UIF DBFTBS

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HINT 1

HINT 2

Your Name:

Plaintext:

7 Decimal Encoding (10)

Find the cleartext from this ciphertext:

66 65 83 69 32 49 48

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HINT

Your Name:

Plaintext:

8 Hexadecimal Encoding (10)

Find the cleartext from this ciphertext:

42 49 4E 41 52 59

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HINT

Your Name:

Plaintext:

9 Binary Encoding (10)

Find the cleartext from this ciphertext:

111000 100000 1000010 1001001 1010100 1010011

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HINT

Your Name:

Plaintext:

10 Binary (20)

Find the cleartext from this ciphertext:

bEpoliTebEprOfeSsIoNaLbutHavEAplaNtOkIlLeVeRyBOdyYoUmeEt

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HINT

Your Name:

Plaintext:

11 XOR (10)

The code below encrypts the message "HELLO" with a key of "u":

Challenge

Encrypt "TOPSECRET" with a key of "n".

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Your Name:

Ciphertext:

12 XOR (10)

The code below decrypts the message "=099:" with a key of "u":

Challenge

Decrypt this message:

3%?J,%?$.J#>

With a key of "j".

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Your Name:

Plaintext:

Posted 10-25-18
Old scores added 1-1-19
Old scores added 9-23-19