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
/
squ1rrel CTF 2025
/
Tasks
Tasks
Name
Points
Tags
Writeups
XOR 101
209
crypto
xor
1
Add event tasks
x
Sign in with
I don't remember
