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Author

Asuka Nakajima

Senior Security Research Engineer, Elastic

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Articles

Detecting Hotkey-Based Keyloggers Using an Undocumented Kernel Data Structure
4 March 2025

Detecting Hotkey-Based Keyloggers Using an Undocumented Kernel Data Structure

In this article, we explore what hotkey-based keyloggers are and how to detect them. Specifically, we explain how these keyloggers intercept keystrokes, then present a detection technique that leverages an undocumented hotkey table in kernel space.

未公開のカーネルデータ構造を使ったホットキー型キーロガーの検知
4 February 2025

未公開のカーネルデータ構造を使ったホットキー型キーロガーの検知

本記事では、ホットキー型キーロガーとは何かについてと、その検知方法について紹介します。具体的には、ホットキー型キーロガーがどのようにしてキー入力を盗み取るのかを解説した後、カーネルレベルに存在する未公開(Undocumented)のホットキーテーブルを活用した検知手法について説明します。

情報窃取から端末を守る
30 May 2024

情報窃取から端末を守る

本記事ではElastic Securityにおいて、エンドポイント保護を担っているElastic Defendに今年(バージョン8.12より)新たに追加された、キーロガーおよびキーロギング検出機能について紹介します。

Protecting your devices from information theft
30 May 2024

Protecting your devices from information theft

In this article, we will introduce the keylogger and keylogging detection features added this year to Elastic Defend (starting from version 8.12), which is responsible for endpoint protection in Elastic Security.

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