sigmamediumHunting

Bitbucket Global Permission Changed

Detects global permissions change activity.

MITRE ATT&CK

persistenceprivilege-escalation

Detection Query

selection:
  auditType.category: Permissions
  auditType.action:
    - Global permission remove request
    - Global permission removed
    - Global permission granted
    - Global permission requested
condition: selection

Author

Muhammad Faisal (@faisalusuf)

Created

2024-02-25

Data Sources

bitbucketaudit

Platforms

bitbucket

References

Tags

attack.persistenceattack.privilege-escalationattack.t1098

Raw Content

title: Bitbucket Global Permission Changed
id: aac6c4f4-87c7-4961-96ac-c3fd3a42c310
status: test
description: Detects global permissions change activity.
references:
    - https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html
    - https://confluence.atlassian.com/bitbucketserver/global-permissions-776640369.html
author: Muhammad Faisal (@faisalusuf)
date: 2024-02-25
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.t1098
logsource:
    product: bitbucket
    service: audit
    definition: 'Requirements: "Advance" log level is required to receive these audit events.'
detection:
    selection:
        auditType.category: 'Permissions'
        auditType.action:
            - 'Global permission remove request'
            - 'Global permission removed'
            - 'Global permission granted'
            - 'Global permission requested'
    condition: selection
falsepositives:
    - Legitimate user activity.
level: medium