$tree ./write_ups --all
“Polys” — Cryptography Challenge in CyCTF Qualifications by Cyshield
Polynomial-based cryptography challenge analysis and algebraic flag recovery.
“RSA-Textbook” — Cryptography Challenge in CyCTF Qualifications by Cyshield
Attacking textbook RSA encryption using small exponent and broadcast attacks.
“Symmetric” — Cryptography Challenge in CyCTF Qualifications by Cyshield
Reversing custom XOR and modular arithmetic encryption algorithms.
“DeepTrace” — 1st Forensics Challenge in Connectors CTF Qualifications by Connectors Team
Analysis of PDF metadata and embedded images to recover hidden flag fragments.
“Locked Out” — 2nd Forensics Challenge in Connectors CTF Qualifications by Connectors Team
Memory forensics and password hash cracking using Volatility and hashcat.