Bitbucket Global SSH Settings Changed

calendar Feb 26, 2024 · attack.lateral_movement attack.defense_evasion attack.t1562.001 attack.t1021.004  ·
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Detects Bitbucket global SSH access configuration changes.

Sigma rule (View on GitHub)

 1title: Bitbucket Global SSH Settings Changed
 2id: 16ab6143-510a-44e2-a615-bdb80b8317fc
 3status: experimental
 4description: Detects Bitbucket global SSH access configuration changes.
 5references:
 6    - https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html
 7    - https://confluence.atlassian.com/bitbucketserver/enable-ssh-access-to-git-repositories-776640358.html
 8author: Muhammad Faisal (@faisalusuf)
 9date: 2024/02/25
10tags:
11    - attack.lateral_movement
12    - attack.defense_evasion
13    - attack.t1562.001
14    - attack.t1021.004
15logsource:
16    product: bitbucket
17    service: audit
18    definition: 'Requirements: "Advance" log level is required to receive these audit events.'
19detection:
20    selection:
21        auditType.category: 'Global administration'
22        auditType.action: 'SSH settings changed'
23    condition: selection
24falsepositives:
25    - Legitimate user activity.
26level: medium

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