Two obfuscation-heavy reversing challenges that were excellent study material—and somehow attracted more solvers than I expected.

A mostly solo run through two excellent obfuscation challenges, including a First Blood nearly 18 hours ahead of the second solve.

huge-hashtable (Upsolving) tag: reversing solved: 2 Overview Although categorized under the reversing tag, the challenge actually involved a considerable amount of pwnable and cryptography...

I played dice ctf 2025 in CyKor. Most of our teammates played codegate ctf 2025 which overlapped with the dice ctf, and I did too. So, we started the dice ctf a day late. There were 6 reversing cha...

A sixth-place finish in the Academic division, a spot in Switzerland, and two reversing challenges from the qualifiers.

My first real taste of making an impact at a major CTF, ending with a second-place team finish and a three-solve reversing challenge.