Challenge Summary
- Name: Hexecution
- Category: Reversing
- Difficulty: Hard
- Solved by: Shinkiro
- Goal: Recover the expected input for the custom VM program and derive the final flag.
CTF notes by Zero
Reversing a tiny custom DSL interpreter, extracting the 32-byte target table, and inverting two deterministic permutations to recover the flag input.
2026-03-05
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