Flag-Capture

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Capture the Flag

This repo is created to share the solutions, attempts and the results from CTF (Capture the Flag) events that I have participated in.

I mostly solve problems from Web category but I am also interested in other topics as well.

I started my journey with such competitions in late December 2017 by joining the academic team: c@fish.

The c@fish team merged with Just Hit the Core resulting with justCatTheFish team. We have been placed 40th in 2018. Currently stick with top20.

List of my write-ups:

• Tokyo Westerns 2020 (Tokyo Westerns 2020 Web XSS DOM Clobbering Path Traversal SSRF)
• Buyify(CSAW 2019 Web Template Injection)
• All writeups (Angstrom 2019 Web Misc)
• [a-z().] (Harekaze 2019 Misc Web JS golfing)
• SQLite Voting (Harekaze 2019 Web SQLi WAF)
• Magican (CTFZone2018 Quals Web XSS CSRF golfing)
• OmegaSector (MeePwn2018 Web PHP backdoor golfing)
• Cat Chat (GoogleCTF 2018 Web CSSi CSRF)
• Yeunote (MatesCTF 2018 Web)
• Captcha Generator (Xiomara 2018 Misc)
• Mario in maze (Xiomara 2018 Misc Algorithms)
• Mario's dream (Xiomara 2018 Misc Algorithms)
• Logger (Harekaze 2018 Net Rev Misc Web)
• Sokosoko Secure Uploader (Harekaze 2018 Web)
• Unnormalized-form Data (Harekaze 2018 Misc Forensics)
• Obfuscated Password Checker (Harekaze 2018 Web)
• Recursive zip (Harekaze 2018 Misc)
• Grid It! (CTFLearn Website Web)

List of events I have participated in:

This is the list of my very first ctfs I participated in. Stopped updating since they are just too many :)

• CTFZone 2018 Quals (July 2018, 12th place)
• Meepwn CTF Quals 2018 (July 2018, 62nd place)
• Google Capture The Flag 2018 (Quals) (June 2018, 85th place)
• Security Fest CTF (May 2018, 12th place)
• PlaidCTF 2018 (May 2018, 39th place)
• ASIS CTF Quals 2018 (Apr 2018, 42nd place)
• NoNameCon CTF Quals 2018 (Apr 2018, 11th place)
• INS'hAck 2018 (Apr 2018, 3rd place)
• Nuit du Hack CTF Quals 2018 (Mar 2018, 63rd place)
• BackdoorCTF 2018 (Mar 2018, 5th place)
• angstromCTF 2018 (Mar 2018, 8th place)
• Pragyan CTF 2018 (Mar 2018, 3rd place)
• TamuCTf 2018 (Feb 2018, 9th place)
• Xiomara 2018 (Feb 2018, 10th place)
• Harekaze CTF (Feb 2018, 22nd place)
• EvlzCTF (Feb 2018, 52nd place)
• ShariffCTF 8 (Feb 2018, 29th place)
• AceBear (Jan 2018, 38th place)
• Insomni'hack teaser 2018 (Jan 2018, 44th place)
• 34C3 CTF (Dec 2017, 77th place)

Some URLs:

• https://ctftime.org/team/33893
• https://ctftime.org/user/34168