CyRadar Challenges

Capture the flags to have a chance to work at CyRadar

Coding Reverse Web AI

Coding Challenge

Find the public IP from this file which is not provided by Amazon Web Service IP address.

Visit page https://ctf.cyradar.com/md5(found_ip).html


    Private IPs

  • 10.0.0.0/8
  • 172.16.0.0/12
  • 192.168.0.0/16

Example:

  • Private IP
  • 10.3.9.10
  • 172.16.1.23
  • 192.168.1.1
  • Public IP
  • 8.8.8.8
  • 208.67.222.222
  • 172.217.24.35
  • AWS IP
  • 13.124.13.13
  • 52.93.1.23
  • 54.192.54.54

Reverse Challenge

Download this file and find the flag.

Then visit page https://ctf.cyradar.com/md5(flag).html

Web Challenge

Hack me if you can at http://103.255.236.217/

Visit page https://ctf.cyradar.com/md5(flag).html

Machine Learning Challenge

Train your machine with this dataset. The training data has 785 columns, among which the first one is label of the set. The labels are digits 0-9.

Your task is to use your model to predict data in this file and to find the flag clue, which has been arranged in a certain order.


HINT #1: You may need this serial [2 3 3 2 3 2 3 3 2 2 3 2 2 3 2 2 2 2 2 2 3 2 3 3 3] to split something.

HINT #2: ASCII is always a friend of developers.

Visit page https://ctf.cyradar.com/md5(flag).html