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DeviceFromIP()

  • Articol

Applies to:

  • Microsoft Defender XDR

Important

Some information in this article relates to a prereleased product which may be substantially modified before it's commercially released. Microsoft makes no warranties, expressed or implied, with respect to the information provided here.

Use the DeviceFromIP() function in your advanced hunting queries to quickly obtain the list of devices that have been assigned to a certain IP address at a given point in time.

This function returns a table with the following columns:

Column Data type Description
IP string IP address
DeviceId string Unique identifier for the device in the service

Syntax

invoke DeviceFromIP()

Arguments

This function is invoked as part of a query.

  • x—The first parameter is typically already a column in the query. In this case, it's the column named IP, the IP address for which you want to see a list of devices that have been assigned to it. It should be a local IP address. External IP addresses aren't supported.
  • y—A second optional parameter is the Timestamp, which instructs the function to obtain the most recent assigned devices from a specific time. If not specified, the function returns the latest available records.

Example

Get the latest devices that have been assigned specific IP addresses

DeviceNetworkEvents 
| limit 100 
| project IP = LocalIP 
| invoke DeviceFromIP()

Tip

Do you want to learn more? Engage with the Microsoft Security community in our Tech Community: Microsoft Defender XDR Tech Community.