Bitbucket Global Permission Changed

calendar Feb 26, 2024 · attack.persistence attack.privilege_escalation attack.t1098  ·
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Detects global permissions change activity.

Sigma rule (View on GitHub)

 1title: Bitbucket Global Permission Changed
 2id: aac6c4f4-87c7-4961-96ac-c3fd3a42c310
 3status: experimental
 4description: Detects global permissions change activity.
 5references:
 6    - https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html
 7    - https://confluence.atlassian.com/bitbucketserver/global-permissions-776640369.html
 8author: Muhammad Faisal (@faisalusuf)
 9date: 2024/02/25
10tags:
11    - attack.persistence
12    - attack.privilege_escalation
13    - attack.t1098
14logsource:
15    product: bitbucket
16    service: audit
17    definition: 'Requirements: "Advance" log level is required to receive these audit events.'
18detection:
19    selection:
20        auditType.category: 'Permissions'
21        auditType.action:
22            - 'Global permission remove request'
23            - 'Global permission removed'
24            - 'Global permission granted'
25            - 'Global permission requested'
26    condition: selection
27falsepositives:
28    - Legitimate user activity.
29level: medium

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