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alibabacloud

A log monitoring and alert is set up for usage of root account

sls_root_account_usage_alert_enabled
Service: slsSeverity: medium
OfficialBuilt-inVerified
Categories:logging
Resource Type:ALIYUN::SLS::Alert

Alibaba Cloud SLS should have an alarm configured for root account login attempts. By directing ActionTrail logs to SLS with alert rules, usage of the fully privileged root account is detected promptly, supporting least privilege and enabling timely review of root-level operations.

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Risk

Without monitoring for root account usage, activities by the most privileged account may go unnoticed. The root account has unrestricted access to all resources, making it a high-value target. Failure to detect unauthorized usage increases risk of account takeover, data destruction, and irreversible changes compromising confidentiality, integrity, and availability.

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prowler alibabacloud --checks sls_root_account_usage_alert_enabled

Recommendation

  1. Log on to the SLS Console
  2. Ensure ActionTrail is enabled
  3. Select Alerts
  4. Ensure alert rule has been enabled for root account usage

Remediation

CLI

aliyun sls create-alert --project <project-name> --alert-name root-account-usage --alert-displayname 'Root Account Usage Alert' --condition 'event.userIdentity.type: root-account' --dashboard <dashboard-name> --schedule '{"type":"FixedRate","interval":"1m"}'

Other

1Log on to the **SLS Console**.
2Ensure **ActionTrail** is enabled and delivering logs to a **Log Service** project.
3Navigate to the project receiving ActionTrail logs.
4Select **Alerts** and click **Create Alert Rule**.
5Configure the query to filter for root account usage: `event.userIdentity.type: root-account`.
6Set the alert **schedule**, **notification method**, and **severity**.
7Save and enable the alert rule.

Check Code

from prowler.lib.check.models import Check, CheckReportAlibabaCloud
from prowler.providers.alibabacloud.services.sls.sls_client import sls_client


class sls_root_account_usage_alert_enabled(Check):
    def execute(self) -> list[CheckReportAlibabaCloud]:
        findings = []
        found = False

        for alert in sls_client.alerts:
            query_list = alert.configuration.get("queryList", [])
            if not query_list:
                continue

            for query_obj in query_list:
                query = query_obj.get("query", "")
                if (
                    "ConsoleSignin" in query
                    and "event.userIdentity.type" in query
                    and "root-account" in query
                ):
                    found = True
                    report = CheckReportAlibabaCloud(
                        metadata=self.metadata(), resource=alert
                    )
                    report.status = "PASS"
                    report.status_extended = (
                        f"SLS Alert {alert.name} is configured for root account usage."
                    )
                    report.resource_id = alert.name
                    report.resource_arn = alert.arn
                    report.region = alert.region
                    findings.append(report)
                    break

            if found:
                break

        if not found:
            report = CheckReportAlibabaCloud(
                metadata=self.metadata(), resource=sls_client.provider.identity
            )
            report.status = "FAIL"
            report.status_extended = "No SLS Alert configured for root account usage."
            report.resource_id = sls_client.audited_account
            report.resource_arn = sls_client.provider.identity.identity_arn
            report.region = sls_client.region
            findings.append(report)

        return findings

References