Break it Down (Crypto)

Arch 6x64
Cyberchef magic + ROT13.
CDDC21{0h_mY_b4S3}
No Rotations
Monoalphabetic substitution.
CDDC21{sUbsTituTion_CiPhEring}
Nice Encryption
Cyberchef magic with known crib CDDC21.
(XOR each hexadecimal number with 0x71)
CDDC21{Wh0_wrot3_th!s_Thin6?}

Web Takedown Episode 2 (Web)

Next - 2021

BCACTF 2.0

Last modified 10mo ago