title: Bitbucket User Login Failure id: 70ed1d26-0050-4b38-a599-92c53d57d45a status: test description: | Detects user authentication failure events. Please note that this rule can be noisy and it is recommended to use with correlation based on "author.name" field. references: - https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html author: Muhammad Faisal (@faisalusuf) date: 2024-02-25 tags: - attack.privilege-escalation - attack.persistence - attack.initial-access - attack.credential-access - attack.stealth - attack.t1078.004 - attack.t1110 logsource: product: bitbucket service: audit definition: 'Requirements: "Advance" log level is required to receive these audit events.' detection: selection: auditType.category: 'Authentication' auditType.action: 'User login failed' condition: selection falsepositives: - Legitimate user wrong password attempts. level: medium