{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/stale_account/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[],"_cs_exploited":false,"_cs_products":["Azure Privileged Identity Management"],"_cs_severities":["high"],"_cs_tags":["azure","pim","stale_account"],"_cs_type":"advisory","_cs_vendors":["Microsoft"],"content_html":"\u003cp\u003eThe \u0026ldquo;staleSignInAlertIncident\u0026rdquo; event in Azure Privileged Identity Management (PIM) signifies that an account assigned a privileged role has not signed in for a prolonged period. This alert is crucial for defenders because inactive privileged accounts can become attractive targets for attackers. If an account is compromised and not actively used, the breach can go unnoticed for an extended time, increasing the attacker\u0026rsquo;s dwell time and potential for lateral movement or data exfiltration. Monitoring for this event allows organizations to identify potentially compromised accounts and enforce stricter security measures like password resets, MFA enforcement, or temporary role revocation. The alert helps maintain a secure privileged access environment.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker identifies an organization using Azure PIM.\u003c/li\u003e\n\u003cli\u003eThe attacker compromises a user account that is assigned a privileged role, but is currently inactive, using techniques such as password spraying or phishing.\u003c/li\u003e\n\u003cli\u003eDue to the account\u0026rsquo;s inactivity, the compromise remains unnoticed by the legitimate owner or security monitoring tools.\u003c/li\u003e\n\u003cli\u003eThe attacker activates the privileged role assignment in Azure PIM, granting them elevated permissions within the Azure environment.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the elevated privileges to perform reconnaissance, identify valuable assets, and potentially create new administrative accounts.\u003c/li\u003e\n\u003cli\u003eThe attacker moves laterally within the Azure environment, accessing sensitive data and resources that are normally restricted.\u003c/li\u003e\n\u003cli\u003eThe attacker exfiltrates sensitive data or deploys malicious code to disrupt services.\u003c/li\u003e\n\u003cli\u003eThe attacker maintains persistence by creating backdoors or modifying access controls to ensure continued access even after the initial compromise is detected.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eCompromised stale accounts in Azure PIM can lead to significant data breaches, service disruptions, and reputational damage. Attackers can leverage the elevated privileges associated with these accounts to gain unauthorized access to critical resources, exfiltrate sensitive data, or deploy ransomware. The impact can range from data loss to complete system compromise, depending on the scope of the privileged roles assigned to the stale account. The financial implications can be substantial, including regulatory fines, incident response costs, and lost revenue.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDeploy the Sigma rule to detect \u003ccode\u003estaleSignInAlertIncident\u003c/code\u003e events in your Azure PIM logs, enabling rapid identification of potentially compromised stale accounts.\u003c/li\u003e\n\u003cli\u003eInvestigate any triggered alerts to determine the legitimacy of the account\u0026rsquo;s inactivity and potential compromise scenarios.\u003c/li\u003e\n\u003cli\u003eImplement automated workflows to disable or remove privileged role assignments for accounts that trigger the \u003ccode\u003estaleSignInAlertIncident\u003c/code\u003e event.\u003c/li\u003e\n\u003cli\u003eReview and enforce strong password policies and multi-factor authentication (MFA) for all accounts with privileged roles in Azure PIM.\u003c/li\u003e\n\u003cli\u003eImplement regular access reviews to identify and remove unnecessary privileged role assignments, minimizing the attack surface.\u003c/li\u003e\n\u003cli\u003eConsult Microsoft\u0026rsquo;s documentation on configuring security alerts for potential stale accounts in privileged roles to understand the context and recommended actions.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2024-01-03T18:42:00Z","date_published":"2024-01-03T18:42:00Z","id":"/briefs/2024-01-azure-pim-stale-account/","summary":"Detection of stale accounts in Azure Privileged Identity Management (PIM) through the 'staleSignInAlertIncident' event, indicating potential compromised or unused privileged accounts.","title":"Azure PIM Account Stale Sign-in Alert","url":"https://feed.craftedsignal.io/briefs/2024-01-azure-pim-stale-account/"}],"language":"en","title":"CraftedSignal Threat Feed — Stale_account","version":"https://jsonfeed.org/version/1.1"}