Cryptography
Classical ciphers, encoding, and breaking them by hand.
- •3 min read•reverse-engineeringstatic-analysis
Binary Whisper: Beginner Binary Analysis Walkthrough
A friendly, step-by-step writeup of the Binary Whisper challenge using basic static analysis and a tiny XOR decode script.
- •2 min read•toolingcryptography
Advent of CTF 2025: Day 1 - The Mission Begins
A beginner-friendly cryptography challenge involving multi-step encoding conversion using CyberChef to decode binary data into the final flag.
- •5 min read•reverse-engineeringstatic-analysis
Advent of CTF 2025: Day 4 - The Elf's Wager
Reverse engineering challenge involving static analysis of a stripped ELF binary with anti-debugging measures and XOR-based authentication.
- •4 min read•cryptographyctf
NahamCon Winter CTF 2025: Crypto Challenge Writeups
Comprehensive writeups for the cryptography challenges from NahamCon Winter CTF 2025, featuring Linear Lines affine cipher analysis and practical solving techniques.
- •5 min read•cryptographypassword-security
TryHackMe: Passwords - A Cracking Christmas
A comprehensive walkthrough of the TryHackMe Passwords room, exploring password-based encryption attacks and defensive strategies during the holiday season.