C 104: Obfuscation CTF (49 pts extra)

C 104.1 Hidden Word (3 pts)
Find the hidden word:

AIGHRO
CGEHKI
HKDIST
RACTIO
NVBFWO
KEGGBG

The hidden word is the flag.
C 104.2 Reverse (3 pts)
Find the cleartext from this ciphertext:
RAER EHT OT GNICNAVDA
The cleartext is the flag.
C 104.3 Off the Rails (6 pts)
Find the cleartext from this ciphertext:
LDEIEACNN
The cleartext is the flag.
HINT
C 104.4 Columnar (10 pts)
Find the cleartext from this ciphertext:
DCNSG OOSTE RLARS IUROT CMENQ
The cleartext is the flag.
HINT
C 104.5 ROT13 (3 pts)
Find the cleartext from this ciphertext:
GBBFVZCYR
The cleartext is the flag.
HINT
C 104.6 Caesar (3 pts)
Find the cleartext from this ciphertext:
BHBJO XJUI UIF DBFTBS
The cleartext is the flag.
HINT 1
HINT 2
C 104.7 Decimal Encoding (3 pts)
Find the cleartext from this ciphertext:
66 65 83 69 32 49 48
The cleartext is the flag.
HINT
C 104.8 Hexadecimal Encoding (3 pts)
Find the cleartext from this ciphertext:
42 49 4E 41 52 59
The cleartext is the flag.
HINT
C 104.9 Binary Encoding (3 pts)
Find the cleartext from this ciphertext:
111000 100000 1000010 1001001 1010100 1010011
The cleartext is the flag.
HINT
C 104.10 Binary (6 pts)
There is a sevenletter message hidden in this
text:
bEpoliTebEprOfeSsIoNaLbutHavEAplaNtOkIlLeVeRyBOdyYoUmeEt
That sevenletter message is the flag.
HINT
C 104.11 XOR (3 pts)
The code below encrypts the message "HELLO"
with a key of "u":
Challenge
Encrypt "TOPSECRET" with a key of "*".
The ciphertext is the flag.
C 104.12 XOR (3 pts)
The code below decrypts the message "=099:"
with a key of "u":
Challenge
Decrypt this message:
3%?J,%?$.J#>
With a key of "j".
The cleartext is the flag.
Posted 102518
Ported to new scoring engine 7919
Description of C 104.10 updated 972020
Added targets to links 11821