Ctf

2025

The Flag Safe (rev)
07/07/2025 — INFOSEC

2023

Encrypted USB Drive (rev)
17/05/2023 — INFOSEC
The Flag API Key (web)
09/05/2023 — INFOSEC
The Twig Injector (web)
09/05/2023 — INFOSEC
Completely Turing (misc)
25/04/2023 — INFOSEC

2021

Angr-y Binary (rev)
01/12/2021 — INFOSEC
Flag Authoriser (net)
30/11/2021 — INFOSEC
The Web Shell (net)
24/11/2021 — INFOSEC

2020

Suspicious Caesar (crypto)
21/12/2020 — INFOSEC
Slippery Upload (web)
06/05/2020 — INFOSEC
Try and Catch (web)
02/05/2020 — INFOSEC
A Non-Executable Stack (pwn)
24/04/2020 — INFOSEC
Hidden Flag Bytes (crypto)
21/04/2020 — INFOSEC
Administrative ORM (web)
20/04/2020 — INFOSEC
Mechanical Turk (web)
15/04/2020 — INFOSEC
Heaped Notes (pwn)
14/04/2020 — INFOSEC
Tips and Tricks (beginner tutorial)
11/04/2020 — INFOSEC
TG:Hack 2020 CTF
11/04/2020 — INFOSEC
An Executable Stack (pwn)
08/04/2020 — INFOSEC
The Encrypted Password (rev)
06/04/2020 — INFOSEC
Custom Protocol (net)
06/04/2020 — INFOSEC
Multiplication Tables (net)
05/04/2020 — INFOSEC
Not My Modulus (net)
04/04/2020 — INFOSEC
eSecurity.rs CTF
31/03/2020 — INFOSEC
An Exclusive Key (crypto)
30/03/2020 — INFOSEC
Hidden Flag Function Parameter (pwn)
22/03/2020 — INFOSEC
Trusted Client (web)
22/03/2020 — INFOSEC
The Impossible User (crypto)
22/03/2020 — INFOSEC
The Encrypted Flag (misc)
21/03/2020 — INFOSEC
The Secret Lock (rev)
16/03/2020 — INFOSEC
Confused Environment Read (pwn)
27/02/2020 — INFOSEC
Hidden Flag Function (pwn)
27/02/2020 — INFOSEC
Hidden Painting (misc)
25/02/2020 — INFOSEC
Compare the Pair (web)
25/02/2020 — INFOSEC
Secured Session (web)
24/02/2020 — INFOSEC
The More The Merrier (rev)
16/02/2020 — INFOSEC
Sensitive Server Memory (misc)
16/02/2020 — INFOSEC
An Impossible Number (misc)
16/02/2020 — INFOSEC
The Text Editor Jail (misc)
16/02/2020 — INFOSEC
My Magic Numbers (crypto)
16/02/2020 — INFOSEC