かしわば(@kash1064)

かしわば(@kash1064)

Aspiring Reverse Engineer and CTF Player (Team: 0nePadding). Passionate about WinDbg and Anti-Virus internals. OSCP / CISSP. Working at Microsoft Japan, but all views expressed are my own.

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© 2026 かえるのひみつきち

Reversing (en)

June 2022CTF (en)

SECCON Beginners 2022 Writeup

A writeup of the Rev challenges from SECCON Beginners 2022.

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March 2022Ghidra (en)

Ghidra Environment Setup Notes for CTF

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March 2022CTF (en)

dvCTF2022 Writeup Mini Game(Rev)

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February 2022CTF (en)

DiceCTF 2022 Writeup - flagle (Rev)

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January 2022Windows (en)

Writing a Windows Kernel Driver from Scratch and Inspecting IRP Requests with WinDbg

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January 2022Windows (en)

Reversing a Windows Sockets TCP/UDP Communication Program

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January 2022Windows (en)

Implementing RC4 Encryption in C and Reversing It with Ghidra and WinDbg

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December 2021Windows (en)

Analyzing a Base64 Program Implemented in C with WinDbg Time Travel Debugging

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December 2021CTF (en)

Harekaze mini CTF 2021 Writeup

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December 2021Windows (en)

Building a Custom Windows Kernel Driver and Analyzing It with WinDbg

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December 2021CTF (en)

IMCTF 2021 Writeup

A writeup from IMCTF 2021 (Dec 18–19). We aimed for top 3 but finished 4th.

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December 2021CTF (en)

[CTF Beginner's Guide] Introduction to ELF Binary Reverse Engineering

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