クラス: Trojan-Dropper
Trojan-Dropperプログラムは、コードに組み込まれた悪質なプログラムを犠牲PCに秘密裏にインストールするように設計されています。この種の悪意のあるプログラムは通常、被害者のドライブ（通常はWindowsディレクトリ、Windowsシステムディレクトリ、一時ディレクトリなど）に一定の範囲のファイルを保存し、通知なしで起動します（またはアーカイブエラーの偽の通知、古いオペレーティングシステムのバージョンなど）。このようなプログラムは、以下の目的でハッカーによって使用されています。トロイの木馬プログラムおよび/またはウイルスを秘密裏にインストールして、既知の悪意のあるプログラムがウイルス対策ソリューションによって検出されないようにします。すべてのウイルス対策プログラムがこのタイプのトロイの木馬の中のすべてのコンポーネントをスキャンできるわけではありません。プラットフォーム: VBS
Visual Basic Scripting Edition（VBScript）は、Windows Script Hostによって解釈されるスクリプト言語です。 VBScriptは、Microsoft Windowsオペレーティングシステムでスクリプトを作成するために広く使用されています。ファミリー: Trojan-Dropper.VBS.Ramnit
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Tactics and Techniques: Mitre*
TA0007
Discovery
The adversary is trying to figure out your environment.
Discovery consists of techniques an adversary may use to gain knowledge about the system and internal network. These techniques help adversaries observe the environment and orient themselves before deciding how to act. They also allow adversaries to explore what they can control and what’s around their entry point in order to discover how it could benefit their current objective. Native operating system tools are often used toward this post-compromise information-gathering objective.
Discovery consists of techniques an adversary may use to gain knowledge about the system and internal network. These techniques help adversaries observe the environment and orient themselves before deciding how to act. They also allow adversaries to explore what they can control and what’s around their entry point in order to discover how it could benefit their current objective. Native operating system tools are often used toward this post-compromise information-gathering objective.
T1082
System Information Discovery
An adversary may attempt to get detailed information about the operating system and hardware, including version, patches, hotfixes, service packs, and architecture. Adversaries may use the information from System Information Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tools such as Systeminfo can be used to gather detailed system information. If running with privileged access, a breakdown of system data can be gathered through the
Infrastructure as a Service (IaaS) cloud providers such as AWS, GCP, and Azure allow access to instance and virtual machine information via APIs. Successful authenticated API calls can return data such as the operating system platform and status of a particular instance or the model view of a virtual machine.(Citation: Amazon Describe Instance)(Citation: Google Instances Resource)(Citation: Microsoft Virutal Machine API)
Tools such as Systeminfo can be used to gather detailed system information. If running with privileged access, a breakdown of system data can be gathered through the
systemsetup configuration tool on macOS. As an example, adversaries with user-level access can execute the df -aH command to obtain currently mounted disks and associated freely available space. Adversaries may also leverage a Network Device CLI on network devices to gather detailed system information (e.g. show version).(Citation: US-CERT-TA18-106A) System Information Discovery combined with information gathered from other forms of discovery and reconnaissance can drive payload development and concealment.(Citation: OSX.FairyTale)(Citation: 20 macOS Common Tools and Techniques)Infrastructure as a Service (IaaS) cloud providers such as AWS, GCP, and Azure allow access to instance and virtual machine information via APIs. Successful authenticated API calls can return data such as the operating system platform and status of a particular instance or the model view of a virtual machine.(Citation: Amazon Describe Instance)(Citation: Google Instances Resource)(Citation: Microsoft Virutal Machine API)
* © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.