Warmup

Platform: spbctf | Category: Crypto | Type: Challenge | Difficulty: Easy | OS: NA | Author: XESXOR | Date: 2026-03-08 | Status: Solved Techniques: Base64 decoding

Summary

Task: Base64 encoded file. Solution: Decode with base64.b64decode() to reveal the flag.

Warmup — cryptokids20

Description

File contains Base64 encoded text about Base64 usage.

Solution

base64.b64decode() reveals text ending with 'Flag is: REDACTED' ‍​‌‌​​‌​​​‌‌​​‌​​​​‌‌​‌​​​​‌‌‌​​‌​​‌‌​​​‌​​‌‌‌​​​​​‌‌​‌‌​​​‌‌​​​​‍