15 lines
731 B
YAML
15 lines
731 B
YAML
slug: xored_ftp
|
|
title: "XORed FTP"
|
|
description: "Elf Bob wants to send a file containing confidential information to his bestie elf alice. Little his knows is that he uses insecure FTP and Grinch is eavesdropping on the connection. However, Bob is a bit more cautious this time and XORs the file with a key before sending it over FTP. Can you help Eve recover the original file and find the flag hidden inside?"
|
|
category: "networking"
|
|
points: 700
|
|
is_visible: true
|
|
complexity: 7
|
|
attachments:
|
|
- "dump.pcapng"
|
|
flag_plaintext: "EntySec{x0r3d_f1l3_0v3r_ftp_1s_s3cur3}"
|
|
hints:
|
|
- text: "FTP password is the same password as for the file."
|
|
penalty_points: 10
|
|
- text: "File is encrypted using one-time pad."
|
|
penalty_points: 20 |