write-up: Misc/Last_Train_451/README.md

Misc/Last_Train_451/README.md

@@ -1,21 +1,60 @@
-# Last_Train_451 — Solution
+# Last_Train_451
 
-**Difficulty:** TBD | **Category:** Misc | **Flag:** `ESPILON{...}`
+| Field | Value |
+|-------|-------|
+| Category | Misc |
+| Difficulty | TBD |
+| Points | TBD |
+| Author | Eun0us |
+| CTF | Espilon 2026 |
 
-> **Note:** Challenge en cours de développement — `server.py` manquant dans le repo.
-> Ce WU sera complété une fois le challenge finalisé.
+---
 
-## Architecture connue
+## Description
 
-- **Port:** 4545/tcp
-- **Runtime:** Python 3.10 (d'après le Dockerfile)
-- **Entrée:** `nc <host> 4545`
+The last train is departing. Catch it before it disappears into the static.
 
-## Status
+- Port: `tcp/<host>:4545`
 
-Le Dockerfile est présent mais `server.py` est absent du dépôt.
-Le challenge ne peut pas être déployé ni résolu en l'état.
+Format: **ESPILON{flag}**
 
-## Author
+---
 
-Eun0us
+## 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 <host> 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.
+
+> 📸 `[screenshot: challenge banner on port 4545]`
+
+---
+
+## Flag
+
+`ESPILON{...}` *(TBD — challenge pending completion)*