#xor-decryption CTF challenges
4 CTF challenges using xor-decryption from 3 CTFs (2021–2026), 4 with writeups.
Often combined with
#xorshift-table-regeneration 1 #checksum-guided-debugging 1 #bytecode-vm-emulation 1 #ghidra 1
Challenges
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| Challenge | CTF | Weight | Category | Has |
|---|---|---|---|---|
| Storytime_The_Tragic_Interlude | BCACTF 2021 | – | Reverse | files wu 2 |
| RevEng | BYUCTF 2023 | – | Reverse | files wu 1 |
| XOR | BCACTF 2024 | – | Reverse | files wu 1 |
| Borrowed_Memory | BDSec 2026 | 15.62 | Reverse | files wu 1 |