Suspicious Bitbucket User Permissions Export Attempt (via audit)

title: Suspicious Bitbucket User Permissions Export Attempt (via audit)
id: 52a7fe8a-983c-5c49-821f-f155bb33369b
status: stable
description: This rule detects user permission data export attempt.
references:
    - https://attack.mitre.org/techniques/T1591/004/
    - https://attack.mitre.org/techniques/T1082/
    - https://attack.mitre.org/techniques/T1213/
    - https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html
    - https://confluence.atlassian.com/bitbucketserver/users-and-groups-776640439.html
author: Huntrule Team
date: 2026-03-31
tags:
    - attack.reconnaissance
    - attack.collection
    - attack.discovery
    - attack.t1213
    - attack.t1082
    - attack.t1591.004
logsource:
    product: bitbucket
    service: audit
    definition: 'Requirements: "Advance" log level is required to receive these audit events.'
detection:
    selection:
        auditType.category: 'Users and groups'
        auditType.action:
            - 'User details export failed'
            - 'User details export started'
            - 'User details exported'
    condition: selection
falsepositives:
    - Unknown
level: medium