splApache-2.0from splunk/security_content

Crowdstrike Privilege Escalation For Non-Admin User

The following analytic detects CrowdStrike alerts for privilege escalation attempts by non-admin users. These alerts indicate unauthorized efforts by regular users to gain elevated permissions, posing a significant security risk. Detecting and addressing these attempts promptly helps prevent potential breaches and ensures that user privileges remain properly managed, maintaining the integrity of the organization's security protocols.

Quality

FP risk

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Forks

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Rule sourcedetections/endpoint/crowdstrike_privilege_escalation_for_non_admin_user.yml

`crowdstrike_stream` tag=alert
  | rename event.EndpointIp as src_ip, event.EndpointName as src_host, event.UserName as user, event.IncidentDescription as description, event.IncidentType as type, event.NumbersOfAlerts as count_alerts, event.SeverityName as severity
  | stats count min(_time) as firstTime max(_time) as lastTime
    BY src_ip, src_host, user,
       description, type, count_alerts,
       severity
  | where LIKE(type,"%Privilege escalation%") AND NOT LIKE(user, "%adm%") AND NOT LIKE(user, "%svc%") AND NOT LIKE(user, "%admin%")
  | `security_content_ctime(firstTime)`
  | `security_content_ctime(lastTime)`
  | `crowdstrike_privilege_escalation_for_non_admin_user_filter`