{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cyberarkpas/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["CyberArk Privileged Access Security"],"_cs_severities":["high"],"_cs_tags":["cyberarkpas","privilege-escalation","initial-access"],"_cs_type":"advisory","_cs_vendors":["CyberArk"],"content_html":"\u003cp\u003eThis detection identifies error-level audit events within CyberArk Privileged Access Security (PAS), which are designated by the vendor as alertable. These events are crucial for monitoring the security posture of privileged accounts and the overall CyberArk environment. The rule is designed to promote visibility of critical security incidents, particularly those related to privilege escalation and potential initial access attempts. It relies on data ingested through the CyberArk PAS Fleet integration, Filebeat module, or a similarly structured data source. By focusing on error events, security teams can efficiently prioritize investigations into potentially malicious activities affecting their most sensitive accounts and systems.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker gains initial access to a system with credentials that have limited privileges.\u003c/li\u003e\n\u003cli\u003eThe attacker attempts to access a restricted resource or perform an action that requires higher privileges within the CyberArk environment.\u003c/li\u003e\n\u003cli\u003eCyberArk PAS detects the unauthorized attempt based on its configured policies.\u003c/li\u003e\n\u003cli\u003eCyberArk PAS generates an error-level audit event, logging the failed attempt with a specific event code.\u003c/li\u003e\n\u003cli\u003eThe security monitoring system ingests this error event.\u003c/li\u003e\n\u003cli\u003eThis detection triggers based on the error-level audit event.\u003c/li\u003e\n\u003cli\u003eSecurity analysts investigate the event to determine the nature and scope of the unauthorized activity.\u003c/li\u003e\n\u003cli\u003eBased on the investigation findings, appropriate remediation steps are taken, such as revoking compromised credentials or strengthening access controls.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eA successful privilege escalation attack can allow an attacker to gain complete control over critical systems and data within the CyberArk PAS environment. This can lead to data breaches, system outages, and significant financial losses. Initial access via compromised credentials, combined with privilege escalation attempts, poses a serious threat to the entire organization. By detecting these error events, organizations can significantly reduce the risk of a successful attack.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDeploy the Sigma rule \u003ccode\u003eCyberArk PAS Error Event\u003c/code\u003e to your SIEM to detect error-level events in CyberArk PAS audit logs.\u003c/li\u003e\n\u003cli\u003eTune the \u003ccode\u003eCyberArk PAS Error Event\u003c/code\u003e rule to exclude any \u003ccode\u003eevent.code\u003c/code\u003e values that are known false positives in your environment, as described in the rule's \u003ccode\u003efalse_positives\u003c/code\u003e field.\u003c/li\u003e\n\u003cli\u003eEnsure that the CyberArk PAS Fleet integration or Filebeat module is properly configured to collect and forward audit logs to your SIEM (see \u0026quot;Setup\u0026quot; section).\u003c/li\u003e\n\u003cli\u003eInvestigate all triggered alerts from the \u003ccode\u003eCyberArk PAS Error Event\u003c/code\u003e rule to determine the cause and impact of the error event.\u003c/li\u003e\n\u003cli\u003eConsult the CyberArk documentation to understand the specific meaning and implications of each \u003ccode\u003eevent.code\u003c/code\u003e that triggers an alert (see references).\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2024-01-03T16:00:00Z","date_published":"2024-01-03T16:00:00Z","id":"https://feed.craftedsignal.io/briefs/2024-01-cyberark-pas-error-audit-event-promotion/","summary":"This rule identifies CyberArk Privileged Access Security (PAS) error level audit events, which are considered alertable events by the vendor and may indicate privilege escalation or initial access attempts.","title":"CyberArk Privileged Access Security Error Audit Event Promotion","url":"https://feed.craftedsignal.io/briefs/2024-01-cyberark-pas-error-audit-event-promotion/"},{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["CyberArk Privileged Access Security"],"_cs_severities":["high"],"_cs_tags":["cyberarkpas","privilege-escalation","initial-access","credential-access","persistence"],"_cs_type":"advisory","_cs_vendors":["CyberArk"],"content_html":"\u003cp\u003eThis detection focuses on identifying noteworthy events within CyberArk Privileged Access Security (PAS) environments. CyberArk PAS is a critical component for managing and securing privileged accounts, and monitoring its audit logs is essential for detecting malicious activities. This rule specifically targets a set of non-error level audit events recommended by CyberArk for proactive monitoring, as outlined in their official documentation. By focusing on these specific events, security teams can gain enhanced visibility into potential privilege escalation attempts, unauthorized access, credential compromise, and persistence mechanisms employed by attackers targeting privileged accounts. The rule leverages event codes correlated to the CyberArk Vault Audit Action Codes to identify suspicious activities.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker gains initial access to a system with existing CyberArk PAS credentials (T1078).\u003c/li\u003e\n\u003cli\u003eThe attacker attempts to access the CyberArk Vault using valid credentials.\u003c/li\u003e\n\u003cli\u003eThe attacker performs actions that trigger monitored CyberArk audit events (e.g., password retrieval, account creation, policy changes) based on specific event codes like 4, 22, 24, etc..\u003c/li\u003e\n\u003cli\u003eThe CyberArk PAS system logs these actions as audit events, recording the user, timestamp, and action performed.\u003c/li\u003e\n\u003cli\u003eThe attacker attempts to elevate privileges by modifying account settings or policies (T1098).\u003c/li\u003e\n\u003cli\u003eThe attacker attempts to retrieve stored credentials or secrets (T1555).\u003c/li\u003e\n\u003cli\u003eThe system logs successful, but suspicious, privileged actions.\u003c/li\u003e\n\u003cli\u003eThe attacker uses the elevated privileges to move laterally, access sensitive data, or establish persistence.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eCompromise of CyberArk PAS can lead to widespread damage, as attackers gain control over privileged accounts. Successful attacks can result in unauthorized access to critical systems, data breaches, service disruption, and the installation of persistent backdoors. The potential impact includes significant financial losses, reputational damage, and regulatory fines.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDeploy the Sigma rule \u003ccode\u003eCyberArk PAS Recommended Monitor\u003c/code\u003e to your SIEM to detect suspicious CyberArk PAS events. Tune the rule by excluding known benign \u003ccode\u003eevent.code\u003c/code\u003e values to reduce false positives.\u003c/li\u003e\n\u003cli\u003eEnable CyberArk PAS audit logging and ensure logs are being ingested into your SIEM (reference \u003ccode\u003eindex\u003c/code\u003e field).\u003c/li\u003e\n\u003cli\u003eConsult the CyberArk Vault Audit Action Codes documentation (linked in references) to understand the context and implications of triggered events.\u003c/li\u003e\n\u003cli\u003eInvestigate any alerts generated by the Sigma rule to determine the legitimacy of the activity and take appropriate remediation steps.\u003c/li\u003e\n\u003cli\u003eReview and update CyberArk PAS security policies to minimize the risk of privilege escalation and unauthorized access.\u003c/li\u003e\n\u003cli\u003eMonitor \u003ccode\u003eevent.action\u003c/code\u003e values for any unusual or unexpected activity (reference \u003ccode\u003erule_name_override\u003c/code\u003e field).\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2024-01-02T10:00:00Z","date_published":"2024-01-02T10:00:00Z","id":"https://feed.craftedsignal.io/briefs/2024-01-cyberark-pas-recommended-monitor/","summary":"This rule identifies CyberArk Privileged Access Security (PAS) events recommended for monitoring, focusing on non-error level audit events to detect potential privilege escalation, initial access, credential access, and persistence activities.","title":"CyberArk PAS Recommended Monitor Events","url":"https://feed.craftedsignal.io/briefs/2024-01-cyberark-pas-recommended-monitor/"}],"language":"en","title":"CraftedSignal Threat Feed - Cyberarkpas","version":"https://jsonfeed.org/version/1.1"}