functions/User/Get-OspreyUserDevices.ps1
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Function Get-OspreyUserDevices { <# .DESCRIPTION Pulls all mobile devices attached to them mailbox using get-mobiledevice. Gets all devices registered to the user using Get-MgUserRegisteredDevice. .OUTPUTS MobileDevices.csv _Investigate_MobileDevices.csv Entra_Devices.csv _Investigate_Entra_Devices.csv #> param ( [Parameter(Mandatory = $true)] [array]$UserPrincipalName ) Test-GraphConnection Test-EXOConnection $InformationPreference = "Continue" # Verify our UPN input [array]$UserArray = Test-UserObject -ToTest $UserPrincipalName # Gather the trace foreach ($Object in $UserArray) { [string]$User = $Object.UserPrincipalName ##Get all mobile devices## Out-Logfile ("Gathering Mobile Devices for: " + $User) [array]$MobileDevices = Get-MobileDevice -mailbox $User if ($Null -eq $MobileDevices) { Out-Logfile ("No mobile devices found for user: " + $User) } else { Out-Logfile ("Found " + $MobileDevices.count + " Devices") # Output all mobile devices found $MobileDevices | Out-MultipleFileType -FilePreFix "MobileDevices" -user $user -csv -json # Check each device to see if it was NEW # If so flag it for investigation $InvestigateLog = @() foreach ($Device in $MobileDevices) { if ($Device.FirstSyncTime -gt $Osprey.StartDate) { Out-Logfile ("Device found that was first synced inside investigation window. DeviceID: " + $Device.DeviceID) -notice $InvestigateLog += $Device #append flagged devices } } #if investigation-worthy devices were found, output those to csv. if ($InvestigateLog.count -gt 0) { $InvestigateLog | Out-MultipleFileType -fileprefix "_Investigate_MobileDevice" -user $user -csv -json -notice } } ##Get all Entra joined/registered devices## Out-Logfile ("Gathering Entra registered or joined devices for: " + $User) # Get all devices $EntraDevices = Get-MgUserRegisteredDevice -UserId $user if ($Null -eq $EntraDevices) { Out-Logfile ("No Entra devices found for user: " + $User) } else { # For each device we found $DeviceLog = @() foreach ($device in $EntraDevices) { # Get information about the device using graph and export that by appending it into an array $device1 = Get-MGDevice -deviceID $device.Id $DeviceLog += $device1 } $DeviceLog | Out-MultipleFileType -fileprefix "EntraDevices" -user $user -csv -json -xml # Export a simple version as well $SimpleDeviceReport = foreach ($Device in $EntraDevices) { # Get information about the device using graph and export that by appending it into an array $device1 = Get-MGDevice -deviceID $Device.Id [PSCustomObject]@{ DisplayName = $device1.DisplayName RegistrationDateTime = $device1.RegistrationDateTime Id = $device1.Id OperatingSystem = $device1.OperatingSystem OperatingSystemVersion = $device1.OperatingSystemVersion EnrollmentType = $device1.EnrollmentType } } $SimpleDeviceReport | Out-MultipleFileType -FilePreFix "Simple_EntraDevices" -user $user -csv # If a device was found that was registered during investigation window, flag that for review $InvestigateLog = @() foreach ($Device in $EntraDevices) { $device1 = Get-MGDevice -deviceID $Device.Id | Select-Object Displayname, RegistrationDateTime, Id, OperatingSystem, OperatingSystemVersion, EnrollmentType if ($device1.RegistrationDateTime -gt $Osprey.StartDate) { Out-Logfile ("Device found that was first added inside investigation window. DeviceID: " + $Device1.Id) -notice $InvestigateLog += $device1 } } if ($InvestigateLog.count -gt 0) { $InvestigateLog | Out-MultipleFileType -fileprefix "_Investigate_EntraDevices" -user $user -csv -notice } } } } |