Available Challenges

Check your answers here.

Challenge 03 *

Our officers have obtained password dumps storing hacker passwords. After obtaining a
few plaintext passwords, it appears that they are all encoded using different number
bases.

(15 points) 01000100 00110001 01110110 00110001 01101110 00110001
01110100 01111001
(15 points) 102 060 162 144 063 162 154 100 156 144 163
(15 points) 83 107 121 114 105 109
(15 points) 0x426174746c334672306e744949
(15 points) UGF0aCAwZiBFeGlsZQ==

Kait’s Coaching Tips for this challenge can be found here.

Challenge 04 *

Our officers have obtained password dumps storing hacker passwords. After obtaining a
few plaintext passwords, it appears that some sort of shift cipher was used.

(20 points) APY-FUVSG-4237
(20 points) UJS-ZOPMA-8931

Kait’s Coaching Tips for this challenge can be found here.

Challenge 05 *

Our officers have obtained password dumps storing hacker passwords. See if you can
crack them.

1. (25 points) .-.. .. ..-. . / .. … / .– …. .- – / …. .- .–. .–. . -. … / .– …. . -. / -.– — ..- .—-. .-. . / -… ..- … -.– / — .- -.- .. -. –. / — – …. . .-. / .–. .-.. .- -. … .-.-.- / -. -.-. .-.. -….- -.- – -… -….- ….- …– ..— –…

Kait’s Coaching Tips for this challenge can be found here.

Challenge 06 *

We have intercepted encrypted messages between hackers. Decipher them and find out
what they are doing.

(15 points) Forot tolwCytKi nTitrl paowe
(20 points) Tyachrphs r.ect nad ninbeceeoek
(20 points) MsinCmrmsdiso opoie

Kait’s Coaching Tips for this challenge can be found here.

Challenge 07 *

Our officers have obtained an encrypted message. The forensics team was able to find
a file that contains the string, “private” which was used to encrypt the message. Take it
from here and obtain the plaintext message.