crypto
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keysharer
High-level Cryptography solve demonstrating the Invalid Curve Attack. Explains how to recover a secret key by sending points from curves with lower orders.
by r98inver
5 min
cat /etc/stellarvector/blog
Stellar Vector Blog
Official walkthroughs and strategies from our latest Capture The Flag competitions.
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sightseeing-in-ghent
OSINT adventure in Ghent requiring landmark identification, Google Maps investigation, and decoding a hidden sequence from a YouTube video soundtrack.
by Victor Le Pochat
3 min
crypto
mayday-mayday
Advanced RSA attack exploiting MSB leaks from CRT exponents. Uses the Coppersmith method and lattice-based reduction to factor large moduli.
by r98inver
3 min
web
GateCrash
Deep dive into Nim-specific CRLF injection (CVE-2020-15693). Shows how to inject JSON payloads into headers to bypass frontend filters and achieve SQL injection.
by gianlu33
7 min
web
PhantomFeed
Multi-stage web exploitation involving a ReDoS-powered race condition, OAuth2-based XSS for token theft, and a final RCE via HTML2PDF font abuse.
by tomvg
6 min
crypto
featured
keysharer
High-level Cryptography solve demonstrating the Invalid Curve Attack. Explains how to recover a secret key by sending points from curves with lower orders.
by r98inver
5 min
crypto
Substitution Ciphers
Classic cryptography overview featuring Caesar and Vigenere Ciphers. Demonstrates single-byte XOR bruteforcing and frequency analysis for multi-key XOR decryption.
by r98inver
7 min