Hack
Now
EN
Login
Register
HackNow
The Classic Notes App | HackNow
All CTF challenges
Reading Mode
Hard
Binary Exploitation / Pwn
The Classic Notes App
26 Apr 2026
Points
+400
Statistics
1
Solutions
400
Points
Author
Neo Yamaguchi
First Blood
matrix_mx
24 Jul 2026
Description
lock
UZ only
TCP Lab
This challenge is a
TCP Lab
type. To solve it, you'll need the
nc
command in your terminal.
Launch TCP lab
Attachments
ctf.c
Download
qemu-aarch64
Download
Submit flag
Enter the flag you found here
Submit flag
Rating
Report to author
Report an issue
HackNowHackNow