#base64 CTF challenges

9 CTF challenges using base64 from 8 CTFs (2019–2023), 9 with writeups. Mostly Crypto (44%) and Reverse (33%).

Crypto · 4 Reverse · 3 Misc · 1 Forensics · 1

Often combined with

#encoding 2 #multi-layer-encoding 1 #base32 1 #morse 1 #powershell-analysis 1 #geo-coordinates 1 #country-lookup 1 #string-decoding 1 #reversing 1 #xor 1 #jadx 1 #android 1 #url-encoding 1 #constraint-solving 1

Challenges

Filter and sort these in the challenge browser →