Isopach's blog

Isopach's blog

Isopach's CTF writeups and security research

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Zh3r0 CTF 2020 - Digital Forensics

June 18, 2020

There was so much guess… so much guess that I gave up and only did the Digital Forensics category and some of the other Forensics which were copied challenges from other CTFs.

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Nahamcon 2020 - Flag Jokes

June 14, 2020

I only solved a few challenges this CTF as I didn’t have time to play, and this was the most interesting non-guessy one.

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Defenit CTF 2020 Writeup

June 12, 2020

I played with CTF.SG last weekend and we achieved 10th in the rankings although we didn’t even solve a single pwn!

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HSCTF 7 - Do Stars Spin? 1 to 3

June 6, 2020

I played with CTF.SG and solved all the OSINT challenges in the Misc category!

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XHR CSRF PoC

January 17, 2020

This is just some sample code for when creating an XHR CSRF PoC. It is used for my self learning purposes and work sometimes.
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Python Compile Leak Bug

December 7, 2019

I was trying to break out of a python sandbox back in October, when I discovered a By-Design bug.
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