クラス: Trojan-Downloader
Trojan-Downloaderとして分類されたプログラムは、トロイの木馬やAdWareを含む悪意のあるプログラムの新しいバージョンをダウンロードし、犠牲PCにインストールします。インターネットからダウンロードされると、プログラムは起動され、オペレーティングシステムの起動時に自動的に実行されるプログラムのリストに含まれます。ダウンロードされるプログラムの名前と場所に関する情報は、トロイの木馬のコードに含まれているか、インターネットリソース（通常はWebページ）からトロイの木馬によってダウンロードされます。この種の悪意のあるプログラムは、悪用を含むWebサイトへの訪問者の初期感染に頻繁に使用されます。プラットフォーム: Win32
Win32は、32ビットアプリケーションの実行をサポートするWindows NTベースのオペレーティングシステム（Windows XP、Windows 7など）上のAPIです。世界で最も広く普及しているプログラミングプラットフォームの1つです。ファミリー: Trojan-Downloader.Win32.Banload
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Tactics and Techniques: Mitre*
TA0011
Command and Control
The adversary is trying to communicate with compromised systems to control them.
Command and Control consists of techniques that adversaries may use to communicate with systems under their control within a victim network. Adversaries commonly attempt to mimic normal, expected traffic to avoid detection. There are many ways an adversary can establish command and control with various levels of stealth depending on the victim’s network structure and defenses.
Command and Control consists of techniques that adversaries may use to communicate with systems under their control within a victim network. Adversaries commonly attempt to mimic normal, expected traffic to avoid detection. There are many ways an adversary can establish command and control with various levels of stealth depending on the victim’s network structure and defenses.
T1071.001
Application Layer Protocol: Web Protocols
Adversaries may communicate using application layer protocols associated with web traffic to avoid detection/network filtering by blending in with existing traffic. Commands to the remote system, and often the results of those commands, will be embedded within the protocol traffic between the client and server.
Protocols such as HTTP/S(Citation: CrowdStrike Putter Panda) and WebSocket(Citation: Brazking-Websockets) that carry web traffic may be very common in environments. HTTP/S packets have many fields and headers in which data can be concealed. An adversary may abuse these protocols to communicate with systems under their control within a victim network while also mimicking normal, expected traffic.
Protocols such as HTTP/S(Citation: CrowdStrike Putter Panda) and WebSocket(Citation: Brazking-Websockets) that carry web traffic may be very common in environments. HTTP/S packets have many fields and headers in which data can be concealed. An adversary may abuse these protocols to communicate with systems under their control within a victim network while also mimicking normal, expected traffic.
* © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.