![]() ![]() The only thing you will need to configure in Applocker is the Script Rules. New-ItemProperty -Path $RegistryPath -Name $Name -Value $Value -PropertyType String -Force | Out-NullĬonstrained Language consists of a number of restrictions that limit unconstrained code execution on a locked-down system.Ĭonfigure Applocker to enforce constrained Powershell language mode. New-ItemProperty -Path $RegistryPath -Name $Name -Value $Value -PropertyType DWORD -Force | Out-Null $RegistryPath = "HKLM:\SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\PowerShell\ModuleLogging" Once enabled, any new PowerShell session logs this information. ![]() When you enable Script Block Logging, PowerShell records the content of all script blocks that it processes. The AMSI feature is integrated into PowerShell. AMSI provides enhanced malware protection for your end-users and their data, applications, and workloads. ![]() The Windows Antimalware Scan Interface ( AMSI) is a versatile interface standard that allows your applications and services to integrate with any antimalware product that’s present on a machine. Beware! Most of them need to be enabled or configured manually. When your Windows 10 devices are up to date, you have these security features at your disposal. With the release of PowerShell 5.0, there are a lot of security features added. Let’s talk about hardening PowerShell first. So what options do we have? Are we going to allow it with no security in place or are we going to secure and protect PowerShell 2. We also must not forget PowerShell Scripts are a key ingredient in many malware attacks. With a hybrid setup, there could be a lot of on-premise servers left that could be targeted. When all of your devices are Azure Ad Joined and there are no on-premise servers left, the impact is significantly lower than with a hybrid setup. The damage that could be done depends on what kind of setup you have. There are a lot of techniques available which can be used with PowerShell. PowerShell access could be the first phase (reconnaissance) into “hacking”. PowerShell can be used for initial access, local reconnaissance, privilege escalation, and lateral movement.Ĭommand and Scripting Interpreter: PowerShell, Sub-technique T1059.001 – Enterprise | MITRE ATT&CK® The employee who has access to PowerShell could misuse his access. When you are allowing your employees to run PowerShell you could be exposed to an Insider threat. I will divide this blog into multiple parts I am also going to explain why you need to block PowerShell or which defenses you need to put in place when you are allowing it. This blog will show you which options you have in Intune when you want to deploy a PowerShell script with an HKCU registry change but of course, you blocked PowerShell.exe on your Windows Endpoints. ![]()
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