Warren
[crypto]
Warren
A true cipher buffet lies ahead.
nc chal.tuctf.com 30101
Recon
Connecting to the challenge gives us a menu of basic ciphers which needs to be solved.
$ nc chal.tuctf.com 30101
Welcome to the Warren Buffet!
You must solve all of the ciphers
to receive the flag.
I'd recommend filling your plate
and solving all at once.
(The timeout is 90 seconds)
MENU:
1) Affine
2) Baconian
3) Caesar
4) Atbash
5) Vigenere
5
This is a tough one!
Here's your cipher:
OCIXSXLG BX T BCKI VCRAJK
Give the plaintext: VIGENERE IS A HARD CIPHER
Correct!
MENU:
1) Affine
2) Baconian
3) Caesar
4) Atbash
5) Vigenere [solved]
4
This is a fun one that's less common!
Here's your cipher:
ZGYZHS RH Z UFM XRKSVI
Give the plaintext: atbash is a fun cipher
Correct!
MENU:
1) Affine
2) Baconian
3) Caesar
4) Atbash [solved]
5) Vigenere [solved]
3
Ready for a classic?
Here's your cipher:
WUYMUL CM UH YUMS WCJBYL
Give the plaintext: caesar is an easy cipher
Correct!
MENU:
1) Affine
2) Baconian
3) Caesar [solved]
4) Atbash [solved]
5) Vigenere [solved]
2
Have some bacon!
Here's your cipher:
aaaabaaaaaaaabaabbababbaaabaaaaaaaaabbaa abaaabaaab aabaaabbaaabaaaabbabbabbaaaaaaaaaabababaaabaa
Give the plaintext: baconian is enjoyable
Correct!
MENU:
1) Affine
2) Baconian [solved]
3) Caesar [solved]
4) Atbash [solved]
5) Vigenere [solved]
1
Have you heard of this one? Because I just read about it.
Here's your cipher:
UBBAHK AO U LUT CAPJKX
Give the plaintext: affine is a bad cipher
Correct!
Thanks for dining at the Warren buffet!
Here's your flag:
TUCTF{th4nks_f0r_d1n1ng_4641n_4t_th3_W4rr3n_buff3t}
Flag
TUCTF{th4nks_f0r_d1n1ng_4641n_4t_th3_W4rr3n_buff3t}