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Non-Owner Mailbox Access Report

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Exchange Online Non-owner Mailbox Access Report
This commit is contained in:
AdminDroid 2023-11-25 09:40:32 +05:30
parent f80198f41f
commit 63a1eb2bc5
1 changed files with 32 additions and 47 deletions
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67
Office 365 Non-owner Mailbox Access Report/NonOwnerMBAccessReport.ps1
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@ -12,6 +12,7 @@ Script Highlights:
3.Exports the report to CSV
4.This script is scheduler friendly. I.e., credentials can be passed as a parameter instead of saving inside the script.
5.You can narrow down the audit search for a specific date range.
6.The script supports Certificate-based authentication too.
For detailed script execution: https://o365reports.com/2020/02/04/export-non-owner-mailbox-access-report-to-csv/
============================================================================================
@ -20,10 +21,12 @@ For detailed script execution: https://o365reports.com/2020/02/04/export-non-ow
Param
(
[Parameter(Mandatory = $false)]
[switch]$MFA,
[Boolean]$IncludeExternalAccess=$false,
[Nullable[DateTime]]$StartDate,
[Nullable[DateTime]]$EndDate,
[string]$Organization,
[string]$ClientId,
[string]$CertificateThumbprint,
[string]$UserName,
[string]$Password
)
@ -56,64 +59,43 @@ else
}
#Authentication using MFA
if($MFA.IsPresent)
Function Connect_Exo
{
$MFAExchangeModule = ((Get-ChildItem -Path $($env:LOCALAPPDATA+"\Apps\2.0\") -Filter CreateExoPSSession.ps1 -Recurse ).FullName | Select-Object -Last 1)
If ($MFAExchangeModule -eq $null)
#Check for EXO module inatallation
$Module = Get-Module ExchangeOnlineManagement -ListAvailable
if($Module.count -eq 0)
{
Write-Host `nPlease install Exchange Online MFA Module. -ForegroundColor yellow
Write-Host You can manually install module using below blog : `nhttps://o365reports.com/2019/04/17/connect-exchange-online-using-mfa/ `nOR you can install module directly by entering "Y"`n
$Confirm= Read-Host `nAre you sure you want to install module directly? [Y] Yes [N] No
if($Confirm -match "[Y]")
Write-Host Exchange Online PowerShell module is not available -ForegroundColor yellow
$Confirm= Read-Host Are you sure you want to install module? [Y] Yes [N] No
if($Confirm -match "[yY]")
{
Start-Process "iexplore.exe" "https://cmdletpswmodule.blob.core.windows.net/exopsmodule/Microsoft.Online.CSE.PSModule.Client.application"
Write-host "Installing Exchange Online PowerShell module"
Install-Module ExchangeOnlineManagement -Repository PSGallery -AllowClobber -Force
}
else
{
Start-Process 'https://o365reports.com/2019/04/17/connect-exchange-online-using-mfa/'
Exit
}
$Confirmation= Read-Host Have you installed Exchange Online MFA Module? [Y] Yes [N] No
if($Confirmation -match "[yY]")
{
$MFAExchangeModule = ((Get-ChildItem -Path $($env:LOCALAPPDATA+"\Apps\2.0\") -Filter CreateExoPSSession.ps1 -Recurse ).FullName | Select-Object -Last 1)
If ($MFAExchangeModule -eq $null)
{
Write-Host Exchange Online MFA module is not available -ForegroundColor red
Exit
}
}
else
{
Write-Host Exchange Online PowerShell Module is required
Start-Process 'https://o365reports.com/2019/04/17/connect-exchange-online-using-mfa/'
Write-Host EXO module is required to connect Exchange Online.Please install module using Install-Module ExchangeOnlineManagement cmdlet.
Exit
}
}
#Importing Exchange MFA Module
. "$MFAExchangeModule"
Write-Host Enter credential in prompt to connect to Exchange Online
Connect-EXOPSSession -WarningAction SilentlyContinue
}
#Authentication using non-MFA
else
{
#Storing credential in script for scheduling purpose/ Passing credential as parameter
Write-Host Connecting to Exchange Online...
#Storing credential in script for scheduling purpose/ Passing credential as parameter - Authentication using non-MFA account
if(($UserName -ne "") -and ($Password -ne ""))
{
$SecuredPassword = ConvertTo-SecureString -AsPlainText $Password -Force
$Credential = New-Object System.Management.Automation.PSCredential $UserName,$SecuredPassword
Connect-ExchangeOnline -Credential $Credential -ShowBanner:$false
}
elseif($Organization -ne "" -and $ClientId -ne "" -and $CertificateThumbprint -ne "")
{
Connect-ExchangeOnline -AppId $ClientId -CertificateThumbprint $CertificateThumbprint -Organization $Organization -ShowBanner:$false
}
else
{
$Credential=Get-Credential -Credential $null
Connect-ExchangeOnline -ShowBanner:$false
}
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $Credential -Authentication Basic -AllowRedirection -WarningAction SilentlyContinue
Import-PSSession $Session -AllowClobber -DisableNameChecking | Out-Null
}
Connect_Exo
$OutputCSV=".\NonOwner-Mailbox-Access-Report_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm` tt).ToString()).csv"
$IntervalTimeInMinutes=1440 #$IntervalTimeInMinutes=Read-Host Enter interval time period '(in minutes)'
@ -273,3 +255,6 @@ else
}
}
}
#Disconnect Exchange Online session
Disconnect-ExchangeOnline -Confirm:$false