# Last_Train_451 | Field | Value | |-------|-------| | Category | Misc | | Difficulty | TBD | | Points | TBD | | Author | Eun0us | | CTF | Espilon 2026 | --- ## Description The last train is departing. Catch it before it disappears into the static. - Port: `tcp/:4545` Format: **ESPILON{flag}** --- ## TL;DR > **Note:** This challenge was still under development at the time of writing. > The `server.py` file was absent from the repository. The writeup will be completed > once the challenge is finalized before the event. --- ## Tools | Tool | Purpose | |------|---------| | `nc` | Initial connection on port 4545 | | Python 3 | Solver (TBD) | --- ## Solution ### Known architecture ```bash nc 4545 ``` - Runtime: Python 3.10 - Port: 4545/tcp The challenge server code is not yet publicly available. Full solution will be written once the server is deployed. ![challenge banner on port 4545](https://git.espilon.net/Eun0us/ESPILON-CTF-2026-Writeups/raw/branch/main/screens/train_banner.png) --- ## Flag `ESPILON{...}` *(TBD — challenge pending completion)*