# AWS - Secrets Manager Persistence
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## Secrets Manager
For more info check:
{% content-ref url="../aws-services/aws-secrets-manager-enum.md" %}
[aws-secrets-manager-enum.md](../aws-services/aws-secrets-manager-enum.md)
{% endcontent-ref %}
### Via Resource Policies
It's possible to **grant access to secrets to external accounts** via resource policies. Check the [**Secrets Manager Privesc page**](../aws-privilege-escalation/aws-secrets-manager-privesc.md) for more information. Note that to **access a secret**, the external account will also **need access to the KMS key encrypting the secret**.
### Via Secrets Rotate Lambda
To **rotate secrets** automatically a configured **Lambda** is called. If an attacker could **change** the **code** he could directly **exfiltrate the new secret** to himself.
This is how lambda code for such action could look like:
```python
import boto3
def rotate_secrets(event, context):
# Create a Secrets Manager client
client = boto3.client('secretsmanager')
# Retrieve the current secret value
secret_value = client.get_secret_value(SecretId='example_secret_id')['SecretString']
# Rotate the secret by updating its value
new_secret_value = rotate_secret(secret_value)
client.update_secret(SecretId='example_secret_id', SecretString=new_secret_value)
def rotate_secret(secret_value):
# Perform the rotation logic here, e.g., generate a new password
# Example: Generate a new password
new_secret_value = generate_password()
return new_secret_value
def generate_password():
# Example: Generate a random password using the secrets module
import secrets
import string
password = ''.join(secrets.choice(string.ascii_letters + string.digits) for i in range(16))
return password
```
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