CCSC 2022 image

CCSC 2022

Date: 17/05/2022

year I could't make it in to the top 10. This year though I wanted to change that! Read until the end to see what happened....

2022 android ccsc crypto ctfs forensics hacking misc pwn reverse web

Reading Time: 9 minutes

Wizer CTF 2024 All Challenges image

Wizer CTF 2024 All Challenges

Date: 08/02/2024

Last week I was able to participate at a wonderful CTF organized over at Wizer. This CTF consisted of 6 web challenges in varying difficulty where participants were challenged to a Blitz speed-hacking competition of who can solve the most in 6 hours very generous prizes for the top 3....

2024 bypass ctfs dns dns_rebinding hacking js2py jwt nginx path_traversal serviceworkers ssrf web wizerctf

Reading Time: 22 minutes

N00bz CTF 2024 writeups image

N00bz CTF 2024 writeups

Date: 05/08/2024

Above we can see a small program that asks the user to calculate answers of adding two random numbers. The user is asked to choose the number of questions he wants to answer and is awarded with the respective number of characters of the flag. However since there is an exponential delay due to pow(2,i), the classical approach of an automated solver would take too long. The smart thing to do here is to use the negative indexing feature of...

2024 ctfs hacking misc n00bz path_traversal programming pwn write_primitive zip_slipping

Reading Time: 9 minutes

CCSC 2023 Forgotten Classes image

CCSC 2023 Forgotten Classes

Date: 16/07/2023

This is an old API for a classroom application that is no longer used due to the AI takeover. Inside information states the API is still available and is connected to the AIs internal infrastructure. Can you can hack it and read any hidden secrets on the root / path of the server?...

2023 ccsc class_pollution ctfs flask hacking inheritance jwt python web

Reading Time: 5 minutes

CCSC 2023 Secret Prompt image

CCSC 2023 Secret Prompt

Date: 21/07/2023

We believe the machines came up with their own mechanism to keep humans out. Deceive the machines. Make them believe you are one of them and retrieve...

2023 ccsc ctfs hacking javascript magic web weird

Reading Time: 4 minutes

CCSC 2023 Shellhunting image

CCSC 2023 Shellhunting

Date: 21/07/2023

One of the generals of the AI-sponsored government left his house unlocked while he was going to the beach. Ava spotted the powered on computer, and managed to intercept the traffic from an unknown application....

2023 angr assembly ccsc ctfs hacking rc4 reverse wireshark

Reading Time: 5 minutes