CTFs
Upcoming
Archive
Past events
Tasks
Writeups
Calendar
Teams
Rating
Compare
Create new team
Get team members
FAQ
Contact us
For organizers
Feedback
About
Sign in
Home
/
CTF events
/
UTC-CTF 2019 Teaser
/
Tasks
/
Optics 1
/
Writeup
Optics 1
by
iceclue
/
Iceclue
Rating:
5.0
Original writeup
(https://iceclue.com/ctf/utc-ctf%202019/).
Comments
x
Sign in with
I don't remember