Audit Teams Meeting

Audit Teams Meeting
This commit is contained in:
AdminDroid 2021-12-09 17:12:54 +05:30
parent 84956ab7b9
commit bd94c67ca8

View File

@ -0,0 +1,292 @@

Param
(
[Parameter(Mandatory = $false)]
[Nullable[DateTime]]$StartDate,
[Nullable[DateTime]]$EndDate,
[switch]$NoMFA,
[string]$UserName,
[string]$Password
)
Function Connect_Modules
{
#Check for EXO v2 module inatallation
$Module = Get-Module ExchangeOnlineManagement -ListAvailable
if($Module.count -eq 0)
{
Write-Host Exchange Online PowerShell V2 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]")
{
Write-host "Installing Exchange Online PowerShell module"
Install-Module ExchangeOnlineManagement -Repository PSGallery -AllowClobber -Force
}
else
{
Write-Host EXO V2 module is required to connect Exchange Online.Please install module using Install-Module ExchangeOnlineManagement cmdlet.
Exit
}
}
#Check for Azure AD module
$Module = Get-Module AzureAD -ListAvailable
if($Module.count -eq 0)
{
Write-Host Azure AD module is not available -ForegroundColor yellow
$Confirm= Read-Host Are you sure you want to install the module? [Y] Yes [N] No
if($Confirm -match "[yY]")
{
Write-host "Installing AzureAD PowerShell module"
Install-Module AzureAD -Repository PSGallery -AllowClobber -Force
}
else
{
Write-Host AzureAD module is required to generate the report.Please install module using Install-Module AzureAD cmdlet.
Exit
}
}
#Authentication using non-MFA
if($NoMFA.IsPresent)
{
#Storing credential in script for scheduling purpose/ Passing credential as parameter
if(($UserName -ne "") -and ($Password -ne ""))
{
$SecuredPassword = ConvertTo-SecureString -AsPlainText $Password -Force
$Credential = New-Object System.Management.Automation.PSCredential $UserName,$SecuredPassword
}
else
{
$Credential=Get-Credential -Credential $null
}
Write-Host "Connecting Azure AD..."
Connect-AzureAD -Credential $Credential | Out-Null
Write-Host "Connecting Exchange Online PowerShell..."
Connect-ExchangeOnline -Credential $Credential
}
#Connect to Exchange Online and AzureAD module using MFA
else
{
Write-Host "Connecting Exchange Online PowerShell..."
Connect-ExchangeOnline
Write-Host "Connecting Azure AD..."
Connect-AzureAD | Out-Null
}
}
Function Get_TeamMeetings
{
$Result=""
$Results=@()
$Count=0
Search-UnifiedAuditLog -StartDate $StartDate -EndDate $EndDate -Operations "MeetingDetail" -ResultSize 5000 | ForEach-Object {
$Count++
Write-Progress -Activity "`n Retrieving Teams meetings data from $StartDate to $EndDate.."`n" Processed Teams meetings count: $Count"
$AuditData=$_.AuditData | ConvertFrom-Json
$MeetingID=$AuditData.ID
$CreatedBy=$AuditData.UserId
$StartTime=(Get-Date($AuditData.StartTime)).ToLocalTime()
$EndTime=(Get-Date($AuditData.EndTime)).ToLocalTime()
$MeetingURL=$AuditData.MeetingURL
$MeetingType=$AuditData.ItemName
$Result=@{'Meeting id'=$MeetingID;'Created By'=$CreatedBy;'Start Time'=$Star=$StartTime;'End Time'=$EndTime;'Meeting Type'=$MeetingType;'Meeting Link'=$MeetingURL;'More Info'=$AuditData}
$Results= New-Object PSObject -Property $Result
$Results | Select-Object 'Meeting id','Created By','Start Time','End Time','Meeting Type','Meeting Link','More Info' | Export-Csv -Path $ExportCSV -Notype -Append
}
Write-Host $Count meetings details are exported. -ForegroundColor Green
}
$MaxStartDate=((Get-Date).AddDays(-89)).Date
#Getting Teams meeting attendance report for past 90 days
if(($StartDate -eq $null) -and ($EndDate -eq $null))
{
$EndDate=(Get-Date)#.Date
$StartDate=$MaxStartDate
}
#Getting start date to generate Teams meetings attendance report
While($true)
{
if ($StartDate -eq $null)
{
$StartDate=Read-Host Enter start time for report generation '(Eg:11/23/2021)'
}
Try
{
$Date=[DateTime]$StartDate
if($Date -ge $MaxStartDate)
{
break
}
else
{
Write-Host `nAudit can be retrieved only for past 90 days. Please select a date after $MaxStartDate -ForegroundColor Red
return
}
}
Catch
{
Write-Host `nNot a valid date -ForegroundColor Red
}
}
#Getting end date for teams attendance report
While($true)
{
if ($EndDate -eq $null)
{
$EndDate=Read-Host Enter End time for report generation '(Eg: 11/23/2021)'
}
Try
{
$Date=[DateTime]$EndDate
if($EndDate -lt ($StartDate))
{
Write-Host End time should be later than start time -ForegroundColor Red
return
}
break
}
Catch
{
Write-Host `nNot a valid date -ForegroundColor Red
}
}
$OutputCSV=".\TeamsMeetingAttendanceReport_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm` tt).ToString()).csv"
$ExportCSV=".\TeamsMeetingsReport_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm` tt).ToString()).csv"
$IntervalTimeInMinutes=1440 #$IntervalTimeInMinutes=Read-Host Enter interval time period '(in minutes)'
$CurrentStart=$StartDate
$CurrentEnd=$CurrentStart.AddMinutes($IntervalTimeInMinutes)
#Check whether CurrentEnd exceeds EndDate
if($CurrentEnd -gt $EndDate)
{
$CurrentEnd=$EndDate
}
if($CurrentStart -eq $CurrentEnd)
{
Write-Host Start and end time are same.Please enter different time range -ForegroundColor Red
Exit
}
Connect_Modules
Get_TeamMeetings
$CurrentResultCount=0
$AggregateResultCount=0
Write-Host `nGenerating Teams meeting attendance report from $StartDate to $EndDate...
$ProcessedAuditCount=0
$OutputEvents=0
$ExportResult=""
$ExportResults=@()
$RetriveOperation="MeetingParticipantDetail"
while($true)
{
#Getting Teams meeting participants report for the given time range
Search-UnifiedAuditLog -StartDate $CurrentStart -EndDate $CurrentEnd -Operations $RetriveOperation -SessionId s -SessionCommand ReturnLargeSet -ResultSize 5000 | ForEach-Object {
$ResultCount++
$ProcessedAuditCount++
Write-Progress -Activity "`n Retrieving Team meeting participant report from $CurrentStart to $CurrentEnd.."`n" Processed audit record count: $ProcessedAuditCount"
$AuditData=$_.AuditData | ConvertFrom-Json
$MeetingID=$AuditData.MeetingDetailId
$CreatedBy=$_.UserIDs
$AttendeesInfo=($AuditData.Attendees)
$Attendees=$AttendeesInfo.userObjectId
$AttendeesType=$AttendeesInfo.RecipientType
if($AttendeesType -ne "User")
{
$Attendees=$AttendeesInfo.DisplayName
}
else
{
$Attendees=(Get-AzureADUser -ObjectId $Attendees).UserPrincipalName
}
$JoinTime=(Get-Date($AuditData.JoinTime)).ToLocalTime() #Get-Date($AuditData.JoinTime) Uncomment to view the Activity Time in UTC
$LeaveTime=(Get-Date($AuditData.LeaveTime)).ToLocalTime()
#Export result to csv
$OutputEvents++
$ExportResult=@{'Meeting id'=$MeetingID;'Created By'=$CreatedBy;'Attendees'=$Attendees;'Attendee Type'=$AttendeesType;'Joined Time'=$JoinTime;'Left Time'=$LeaveTime;'More Info'=$AuditData}
$ExportResults= New-Object PSObject -Property $ExportResult
$ExportResults | Select-Object 'Meeting id','Created By','Attendees','Attendee Type','Joined Time','Left Time','More Info' | Export-Csv -Path $OutputCSV -Notype -Append
}
$currentResultCount=$currentResultCount+$ResultCount
if($CurrentResultCount -ge 50000)
{
Write-Host Retrieved max record for current range.Proceeding further may cause data loss or rerun the script with reduced time interval. -ForegroundColor Red
$Confirm=Read-Host `nAre you sure you want to continue? [Y] Yes [N] No
if($Confirm -match "[Y]")
{
Write-Host Proceeding audit log collection with data loss
[DateTime]$CurrentStart=$CurrentEnd
[DateTime]$CurrentEnd=$CurrentStart.AddMinutes($IntervalTimeInMinutes)
$CurrentResultCount=0
if($CurrentEnd -gt $EndDate)
{
$CurrentEnd=$EndDate
}
}
else
{
Write-Host Please rerun the script with reduced time interval -ForegroundColor Red
Exit
}
}
if($ResultCount -lt 5000)
{
if($CurrentEnd -eq $EndDate)
{
break
}
$CurrentStart=$CurrentEnd
if($CurrentStart -gt (Get-Date))
{
break
}
$CurrentEnd=$CurrentStart.AddMinutes($IntervalTimeInMinutes)
$CurrentResultCount=0
if($CurrentEnd -gt $EndDate)
{
$CurrentEnd=$EndDate
}
}
$ResultCount=0
}
#Open output file after execution
If($OutputEvents -eq 0)
{
Write-Host No records found
}
else
{
Write-Host `nThe Teams meeting attendance report contains $OutputEvents audit records -ForegroundColor Green
Write-Host `nFor more Office 365 related PowerShell scripts, check https://o365reports.com -ForegroundColor Cyan
if((Test-Path -Path $OutputCSV) -eq "True")
{
Write-Host `nThe Teams meetings attendance report available in $OutputCSV -ForegroundColor Cyan
$Prompt = New-Object -ComObject wscript.shell
$UserInput = $Prompt.popup("Do you want to open output file?",`
0,"Open Output File",4)
If ($UserInput -eq 6)
{
Invoke-Item "$OutputCSV"
Invoke-Item "$ExportCSV"
}
}
}
#Disconnect Exchange Online session
Disconnect-ExchangeOnline -Confirm:$false -InformationAction Ignore -ErrorAction SilentlyContinue
<#
=============================================================================================
Name: Audit Microsoft Teams meetings using PowerShell
For detailed Script execution: https://o365reports.com/2021/12/08/microsoft-teams-meeting-attendance-report
============================================================================================
#>