Desk Lamp mini-board
Label: original fictional packet. No live host, no flag, and no scoreboard submission.
Printed window: 2026-10-12 18:00-21:00 UTC.
Sharing: keep method notes in your own file. Do not post a solution. Do not send a message from this page.

ID   Category               Value  State  Task
F-3  Files                  50     open   Read the local note. First line: the spare lamp is on shelf 2.
W-8  Web                    50     open   Read the saved request in this file. Do not send it.
C-2  Cryptography           100    open   The note in this file is Base64.
L-6  Forensics              100    open   Cite one line from the log in this file.
R-4  Reverse Engineering    200    later  Follow a compare and a jump in assembly. Not required for First CTF.
P-9  Binary exploitation    300    later  A write goes past the end of a buffer. Not required for First CTF.

Saved request for W-8
GET /lamp HTTP/1.1
Host: desk.example
Accept: text/plain
Connection: close

Encoding note for C-2
Transform: Base64
Note: bGFtcA==
Predicted text: lamp
Prediction source: Python 3 standard library during asset packaging.

Log for L-6
The card states that these stamps are UTC.
L1 2026-10-12T18:00:01Z lamp off
L2 2026-10-12T18:04:10Z switch found
L3 2026-10-12T18:04:40Z lamp on

Rules
Use only this file and the lesson cards. A Host header is text. The scoreboard is out of scope.