mirror of
https://github.com/admindroid-community/powershell-scripts.git
synced 2025-12-17 16:35:19 +00:00
Audit MS Teams Membership Changes
Audit MS Teams Membership Changes
This commit is contained in:
AdminDroid
parent
c9f81c5191
commit
3a25c55cb0
@ -0,0 +1,284 @@
|
|||||||
|
|
||||||
|
|
||||||
|
Param
|
||||||
|
(
|
||||||
|
[Parameter(Mandatory = $false)]
|
||||||
|
[Nullable[DateTime]]$StartDate,
|
||||||
|
[Nullable[DateTime]]$EndDate,
|
||||||
|
[switch]$TeamsMembershipChangesOnly,
|
||||||
|
[switch]$PrivateChannelMembershipChangesOnly,
|
||||||
|
[switch]$SharedChannelMembershipChangesOnly,
|
||||||
|
[string]$UserName,
|
||||||
|
[string]$Password
|
||||||
|
)
|
||||||
|
|
||||||
|
Function Connect_Exo
|
||||||
|
{
|
||||||
|
#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
|
||||||
|
Import-Module ExchangeOnlineManagement
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
Write-Host EXO V2 module is required to connect Exchange Online.Please install module using Install-Module ExchangeOnlineManagement cmdlet.
|
||||||
|
Exit
|
||||||
|
}
|
||||||
|
}
|
||||||
|
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
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
Connect-ExchangeOnline
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
$MaxStartDate=((Get-Date).AddDays(-89)).Date
|
||||||
|
|
||||||
|
#Audit mailbox permission changes for past 90 days
|
||||||
|
if(($StartDate -eq $null) -and ($EndDate -eq $null))
|
||||||
|
{
|
||||||
|
$EndDate=(Get-Date).Date
|
||||||
|
$StartDate=$MaxStartDate
|
||||||
|
}
|
||||||
|
#Getting start date to audit mailbox permission changes report
|
||||||
|
While($true)
|
||||||
|
{
|
||||||
|
if ($StartDate -eq $null)
|
||||||
|
{
|
||||||
|
$StartDate=Read-Host Enter start time for report generation '(Eg:04/28/2021)'
|
||||||
|
}
|
||||||
|
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 $MaxStartDate -ForegroundColor Red
|
||||||
|
return
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Catch
|
||||||
|
{
|
||||||
|
Write-Host `nNot a valid date -ForegroundColor Red
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
#Getting end date to audit mailbox permission changes changes report
|
||||||
|
While($true)
|
||||||
|
{
|
||||||
|
if ($EndDate -eq $null)
|
||||||
|
{
|
||||||
|
$EndDate=Read-Host Enter End time for report generation '(Eg: 04/28/2021)'
|
||||||
|
}
|
||||||
|
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
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
$OutputCSV=".\Audit_MSTeams_Membership_Changes_$((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_EXO
|
||||||
|
$CurrentResultCount=0
|
||||||
|
$AggregateResultCount=0
|
||||||
|
Write-Host `nAuditing Microsoft Teams membership changes from $StartDate to $EndDate...
|
||||||
|
$ProcessedAuditCount=0
|
||||||
|
$OutputEvents=0
|
||||||
|
$ExportResult=""
|
||||||
|
$ExportResults=@()
|
||||||
|
$Operations="MemberAdded,MemberRemoved,MemberRoleChanged"
|
||||||
|
|
||||||
|
|
||||||
|
while($true)
|
||||||
|
{
|
||||||
|
#Getting audit data for the given time range
|
||||||
|
Search-UnifiedAuditLog -StartDate $CurrentStart -EndDate $CurrentEnd -Operations $Operations -SessionId s -SessionCommand ReturnLargeSet -ResultSize 5000 | ForEach-Object {
|
||||||
|
$ResultCount++
|
||||||
|
$ProcessedAuditCount++
|
||||||
|
Write-Progress -Activity "`n Retrieving Teams membership changes from $CurrentStart to $CurrentEnd.."`n" Processed audit record count: $ProcessedAuditCount"
|
||||||
|
$MoreInfo=$_.auditdata
|
||||||
|
$Operation=$_.Operations
|
||||||
|
$PerformedBy=$_.UserIds
|
||||||
|
$PrintFlag="True"
|
||||||
|
if($user -like "NT Authority*")
|
||||||
|
{
|
||||||
|
$PrintFlag="False"
|
||||||
|
}
|
||||||
|
$AuditData=$_.auditdata | ConvertFrom-Json
|
||||||
|
$EventTime=(Get-Date($AuditData.CreationTime)).ToLocalTime() #Get-Date($AuditData.CreationTime) Uncomment to view the Activity Time in UTC
|
||||||
|
$CommunicationType=$AuditData.CommunicationType
|
||||||
|
$User=$AuditData.Members.UPN -join ','
|
||||||
|
$TeamName=$AuditData.TeamName
|
||||||
|
|
||||||
|
if($CommunicationType -ne "Team")
|
||||||
|
{
|
||||||
|
$CommunicationType=$AuditData.ChannelType
|
||||||
|
$ChannelName=$AuditData.ChannelName
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
$ChannelName="-"
|
||||||
|
}
|
||||||
|
|
||||||
|
$Roles=$AuditData.Members.Role
|
||||||
|
$MemberRoles=@()
|
||||||
|
foreach($Role in $Roles)
|
||||||
|
{
|
||||||
|
if($Role -eq "1")
|
||||||
|
{
|
||||||
|
$Role="Member"
|
||||||
|
}
|
||||||
|
elseif($Role -eq "2")
|
||||||
|
{
|
||||||
|
$Role="Owner"
|
||||||
|
}
|
||||||
|
elseif($Role -eq "3")
|
||||||
|
{
|
||||||
|
$Role="Guest"
|
||||||
|
}
|
||||||
|
$MemberRoles+=$Role
|
||||||
|
|
||||||
|
}
|
||||||
|
$MemberRoles=$MemberRoles -join ","
|
||||||
|
|
||||||
|
#Filters for granular report
|
||||||
|
if($TeamsMembershipChangesOnly.IsPresent -and $ChannelName -ne "-")
|
||||||
|
{
|
||||||
|
$PrintFlag="False"
|
||||||
|
}
|
||||||
|
elseif($SharedChannelMembershipChangesOnly.IsPresent -and $CommunicationType -ne "Shared")
|
||||||
|
{
|
||||||
|
$PrintFlag="False"
|
||||||
|
}
|
||||||
|
elseif($PrivateChannelMembershipChangesOnly.IsPresent -and $CommunicationType -ne "Private")
|
||||||
|
{
|
||||||
|
$PrintFlag="False"
|
||||||
|
}
|
||||||
|
|
||||||
|
#Export result to csv
|
||||||
|
if($PrintFlag -eq "True")
|
||||||
|
{
|
||||||
|
$OutputEvents++
|
||||||
|
$ExportResult=@{'Event Time'=$EventTime;'Performed By'=$PerformedBy; 'Operation'=$Operation; 'Team/Channel Type'=$CommunicationType;'Team Name'=$TeamName;'Channel Name'=$ChannelName;'User'=$User;'Role'=$MemberRoles;'More Info'=$MoreInfo}
|
||||||
|
$ExportResults= New-Object PSObject -Property $ExportResult
|
||||||
|
$ExportResults | Select-Object 'Event Time','Performed By','Operation','Team/Channel Type','Team Name','Channel Name','User','Role','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 output file contains $OutputEvents audit records
|
||||||
|
if((Test-Path -Path $OutputCSV) -eq "True")
|
||||||
|
{
|
||||||
|
Write-Host `nThe Output file available in $OutputCSV -ForegroundColor Green
|
||||||
|
$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 "$OutputCSV"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Write-Host `nCheck out """AdminDroid Microsoft 365 Reporting tool""" to get access to 1660+ Microsoft 365 reports.`n -ForegroundColor Cyan
|
||||||
|
#Disconnect Exchange Online session
|
||||||
|
Disconnect-ExchangeOnline -Confirm:$false -InformationAction Ignore -ErrorAction SilentlyContinue
|
||||||
|
|
||||||
|
<#
|
||||||
|
=============================================================================================
|
||||||
|
Name: Audit Microsoft Teams membership changes in Office 365
|
||||||
|
For detailed script execution: https://o365reports.com/2022/12/13/audit-microsoft-teams-membership-changes-using-powershell
|
||||||
|
============================================================================================
|
||||||
|
#>
|
||||||
Loading…
x
Reference in New Issue
Block a user