Danish Christmas CTF 2021 by NC3/Police – The Beginner Category
For the fifth year in a row, NC3 (National Cyber Crime Center) under the danish police are hosting a Christmas CTF in the classic Jeopardy-style. With 22 challenges, the fun…
Tag: Base-encoding
5 Posts
Encoding challenge – CTF challenge GP August ’21
The last challenge in the "Encoding" category is proudly named "Encoding challenge". With that challenge we are provided with a blob of data that presumably is encoded in some way.…
Shark Fail – CTF challenge GP August ’21
Taking a look on the challenges in the "Misc" category, they all seems interesting. But not giving a clear road to catch on. The last challenge in the category "Shark…
Twisting seA – CTF challenge GP August ’21
The first challenge in the "Crypto"-category of the GuidePoint CTF August 2021, is called "Twisting seA". We are asked to decipher the data provided: 617a316a5a6d526a4d44466c4f54526d5a4463794f4445354d5455354f444d77593255344e54646d597a45354d437870505446684f57526c5a6a6b344e57457a4d7a49334e6a59784d6d49314d6a4532596a5a6a5a6a4e6b4d5755344c4449774f5446685a444d325a444d324d574d344f475131597a4d794d444a6c4d7a5a6b4f546331595441314e4455314e5464694e4455775a44566d5a47466d5954466b4e6a49774e7a6c6d4d5749324e6a677a59544a6b4e574e6c595459335a5759774f47557a4d6d4533595445314f4755315932526b4d7a67304f44557a5a413d3d Okay, the data seems alphanumeric…
Baseic – CTF challenge GP August ’21
The second challenge in the "Encoding" category is called "Baseic". This challenge requires another decode with the provided data: 4YX1Cb6Q7vDq5bt3SiYsnCFq4Sp5bBbkYTdiFgtyCUkGhPeM5pVJy4g Funny how the challenge-name, when said out-loud is saying "Base…