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.

© 2026 かえるのひみつきち

Linux (en)

HackTheBox (en)

Learning the Heartbleed Vulnerability with HackTheBox "Valentine"

A deep-dive into the Heartbleed vulnerability (CVE-2014-0160) through the HackTheBox retired machine 'Valentine'.

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Note (en)

Install Ubuntu Server 20.04.1 on Raspberry Pi 4 Model B and Connect to Wi-Fi with netplan

This article summarizes how to install Ubuntu Server 20.04.1 on Raspberry Pi 4 Model B and connect it to Wi-Fi using netplan.

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