Posts

Ringtone Web Challenge Writeup - Zer0pts CTF 2023

Zer0pts CTF took place last weekend with the participation of over 500 teams, making it a resounding success. As a member of the team, I contributed by developing a web challenge called “Ringtone,” which ended up being solved by 14 teams.
Jul 16, 2023 4 min read

The Art of the Security Double Play: How Mercari Combines Internal Audits and Custom CodeQL Queries

How we seek to improve Security testing approach and use CodeQL to automate custom test cases
May 20, 2023 1 min read

Securinets CTF Quals 2022 - Infrastructure and Web writeups

Securinets Quals 2022 Infrastructure review and Web challenges writeups.
Apr 14, 2022 6 min read

PBCTF 2021 - RCE 0-Day in Goahead Webserver

2 methods RCE 0-Day in Goahead Webserver: PBCTF 2021 Last weekend I participated with my team Zer0pts in PBCTF 2021 and we got the 5th place, we were really close to secure a spot in the top 3 but an error in Wine while solving a shitty misc challenge prived us from this win :(
Oct 12, 2021 11 min read

AngstromCTF Web Writeups

Finally after finishing my exams , I had the opportunity to participate in the last 2 days of AngstromCTF with my team Fword and managed to solve all the web challenges except the last 3 tasks, unfortunately I didn’t have the chance to try the last two ones , bad subjects at school are always keeping me from playing CTFs and learning useful stuffs :( !
Apr 11, 2021 11 min read

DiceCTF Web Writeups - Client Side Chaining And JS Attacks

Hello everybody , it has been a long time since I have posted a writeup :( I have been a little busy in the last period with school assignments, exams and some work (Covid has really messed up my life).
Feb 10, 2021 13 min read

International CTF Infrastructure Management

How to deploy a scalable and robust CTF infrastructure and the different issues we faced in FwordCTF 2020
Sep 22, 2020 7 min read

CSAW CTF2020 - Web RTC Writeup

Web RTC (450pts) 39 solves Last weekend,we have been a part of the CSAW CTF 2020 and our team Fword ranked 4th in MENA region. We managed to solve all web challenges with my awesome teammates @Hera and @Noxious and we have particularly enjoyed Web RTC .
Sep 14, 2020 2 min read

FwordCTF 2020 - Web/Bash Writeups

Official writeups for FwordCTF2020 Web/Bash challenges
Sep 2, 2020 7 min read

CSICTF 2k20 - Web Exploitation

Web exploitation writeups of CSICTF 2k20 - File Library Task and The Unusual Suspects Web tasks
Jul 21, 2020 4 min read