Math Solver

Automate solving 100 consecutive linear equations within a single HTTP session to unlock the flag.

February 28, 2026 · 3 min · giordii

Unzip Matryoshka — 3000 Nested Zip Files

Automate extraction of 3000 nested zip files to retrieve the flag from the innermost archive.

January 1, 2025 · 2 min · giordii

2048 — Arithmetic Server Bot

Connect to a server that fires 2049 arithmetic challenges in Italian — SOMMA, DIFFERENZA, PRODOTTO, POTENZA, DIVISIONE_INTERA — and solve each one in under the timeout to receive the flag.

January 1, 2024 · 2 min · giordii

Based and Encoded — Multi-Format Encoding Bot

A JSON-framed server demands conversions between base64, hex, and binary in both encode and decode directions. Write a bot that parses the Italian operation description and returns the correct transformed value.

January 1, 2024 · 3 min · giordii

Zipception — 3000 Nested ZIPs

A flag is hidden inside 3000 recursively nested ZIP archives. Loop backwards from flag3000.zip to flag1.zip, extracting and deleting each archive in turn until the innermost file is revealed.

January 1, 2024 · 1 min · giordii