Bitbucket User Permissions Export Attempt

Title: Bitbucket User Permissions Export Attempt
Status: test
Description:Detects user permission data export attempt.
References:
  -https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html
  -https://confluence.atlassian.com/bitbucketserver/users-and-groups-776640439.html
Author: Muhammad Faisal (@faisalusuf)
Date: 2024-02-25
modified:None
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:
  -Legitimate user activity.
Level: medium