1. R uoOk?(Cryptography)
I found some hints in the question.I know that it use ook cipher.I used online decrypter and got the flag.
flag=MSCS2019{I_ThinK_I_aM_N0t_0K!}
2. ...
Master-slave replication was the very first replication option for MySQL database. It assumes that you have a single Master server that accepts both reads and writes and one or more read-only Slav ...
Wait What? (Forensics)
Download Challenge File
https://www.dropbox.com/s/ldwb53pzy3adqrl/whatisthat.png?dl=0
This is a image file with png extension.I opened it with stegsolve.
We can ...