Adversaries may abuse PowerShell commands and scripts for execution. PowerShell is a powerful interactive command-line interface and scripting environment included in the Windows operating system.(Citation: TechNet PowerShell) Adversaries can use PowerShell to perform a number of actions, including discovery of information and execution of code. Examples include the <code>Start-Process</code> cmdlet which can be used to run an executable and the <code>Invoke-Command</code> cmdlet which runs a command locally or on a remote computer (though administrator permissions are required to use PowerShell to connect to remote systems). PowerShell may also be used to download and run executables from the Internet, which can be executed from disk or in memory without touching disk. PowerShell commands/scripts can also be executed without directly invoking the <code>powershell.exe</code> binary through interfaces to PowerShell's underlying <code>System.Management.Automation</code> assembly DLL exposed through the .NET framework and Windows Common Language Interface (CLI).(Citation: Sixdub PowerPick Jan 2016)(Citation: SilentBreak Offensive PS Dec 2015)(Citation: Microsoft PSfromCsharp APR 2014) Within industrial control system networks, adversaries may abuse the use of PowerShell on overlap assets that run on Microsoft Windows operating systems (Workstations, Data Historians, Human Machine Interfaces, Application Servers, Jump Hosts, etc.).
Enforce binary and application integrity with digital signature verification to prevent untrusted code from executing.
M0926Privileged Account ManagementManage the creation, modification, use, and permissions associated to privileged accounts, including SYSTEM and root.
M0950Exploit ProtectionUse capabilities to detect and block conditions that may lead to or be indicative of a software exploit occurring.
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