Suspicious Bitbucket Global SSH Settings Changed (via audit)

title: Suspicious Bitbucket Global SSH Settings Changed (via audit)
id: 030bc75c-9a25-5750-8538-cad54b974bda
status: stable
description: This rule detects Bitbucket global SSH access configuration changes.
references:
    - https://attack.mitre.org/techniques/T1021/004/
    - https://attack.mitre.org/techniques/T1685/
    - https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html
    - https://confluence.atlassian.com/bitbucketserver/enable-ssh-access-to-git-repositories-776640358.html
author: Huntrule Team
date: 2026-01-13
tags:
    - attack.lateral-movement
    - attack.defense-impairment
    - attack.t1685
    - attack.t1021.004
logsource:
    product: bitbucket
    service: audit
    definition: 'Requirements: "Advance" log level is required to receive these audit events.'
detection:
    selection:
        auditType.category: 'Global administration'
        auditType.action: 'SSH settings changed'
    condition: selection
falsepositives:
    - Unknown
level: medium