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

English

January 2022Windows (en)

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

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January 2022Windows (en)

Reversing a Windows Sockets TCP/UDP Communication Program

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December 2021Reports (en)

A rough look back at 2021 and my goals for 2022

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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 2021Note (en)

Make Visual Studio's Keybindings Match VSCode for a Stress-Free Workflow

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December 2021CTF (en)

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

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December 2021CTF (en)

MetaCTF 2021 Writeup

I took part in MetaCTF 2021, which ran from 12/4 to 12/5. This time I cleared all of the reversing challenges, so I'm writing up a few of the ones I found interesting.

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December 2021Windows (en)

Notes on Building an Active Directory Lab Environment: Steps and Troubleshooting

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December 2021Malware (en)

Fixing Noriben's PML File Loading Error and CSV Creation Failure in FlareVM

This article explains how to resolve the issue where Noriben fails to function properly in FlareVM 3.1, the malware analysis and forensics distribution I recently set up.

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