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SECCON CTF 2021 WriteUp

Last updated at Posted at 2021-12-18

概要

※書きかけです。
本記事は、先日2021/12/11~12で行われたSECCON CTF 2021のWriteUp、もとい復習記事となります。

結果は惨敗で、Welcome問題以外解けませんでした・・・・

環境

Windows + Kalilinux
プログラムはすべてPython3

welcome

Welcome to SECCON CTF 2021!

The flag is posted at Discord Server

Discodeサーバーに記載がありました。
開始しですぐにサーバーが落ちたので、ギリギリで送信できて良かった・・・

SECCON CTF 2021 is started!!
the FLAG of welcome: SECCON{https://www.google.cat/search?q=1M%20JPY%20to%20USD}
Good luck!

crypto

pppp

Great research on witch has made it possible to split and duplicate messages.

``

misc

web

reversing

pwnable

所感

他の方々のWriteUp

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