> For the complete documentation index, see [llms.txt](https://red.infiltr8.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://red.infiltr8.io/redteam/discovery/windows/system-information.md).

# System Information

## Theory

This page provides useful commands for Windows system enumeration that can be used to query important OS related informations.

## Practice

### Windows Version

{% tabs %}
{% tab title="Enumerate" %}
Following commands can be use to enumerate Windows OS version

```powershell
#Displays the operating system version number.
ver

#Displays detailed configuration information about the computer
systeminfo
```

{% endtab %}
{% endtabs %}

### Hotfixes & Service Packs

{% tabs %}
{% tab title="Enumerate" %}
Following commands can be use to enumerate Windows hotfixes and service Packs

```powershell
#Display hotfixes and service packs
wmic qfe list

#Display detailed configuration information about the computer
systeminfo
```

{% endtab %}
{% endtabs %}

### Architecture

{% tabs %}
{% tab title="Enumerate" %}
Following commands can be use to enumerate Windows OS architecture

```powershell
#The existence of "Program Files (x86)" means machine is a 64bits
dir /a c:\

#Display OS architecture
wmic cpu get datawidth /format:list

#Displays detailed configuration information about the computer
systeminfo
```

{% endtab %}
{% endtabs %}

#### .NET Versions

{% tabs %}
{% tab title="Ennumerate" %}
Following powershell commands allows to enumerate installed .NET Framework versions. It can be usefull to target specific version when dealing with malware development.

```powershell
# Using registries and Get-ChildItem
Get-ChildItem 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP' -Recurse | Get-ItemProperty -Name Version -ErrorAction SilentlyContinue | Select-Object PSChildName, Version

#Using dotnet.exe For .NET Core and .NET (formerly .NET Core 5+):
dotnet --list-runtimes
```

{% endtab %}
{% endtabs %}


---

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