HTB - Reversing: Wayback

Challenge Summary

  • Name: Wayback
  • Category: Reversing
  • Difficulty: Medium
  • Solved by: Shinkiro
  • Goal: Recover generated password and decrypt ciphertext to obtain flag.
 

Zero

CTF notes by Zero

Reproducing time-seeded password generation and brute-forcing a narrow historical window to recover the AES key and decrypt the flag.

2026-03-04

Tags

#ctf #htb #rev