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P4T12ICK
48 lines
1.7 KiB
YAML
48 lines
1.7 KiB
YAML
name: GitHub Pull Request from Unknown User
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id: 9d7b9100-8878-4404-914e-ca5e551a641e
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version: 1
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date: '2021-09-01'
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author: Patrick Bareiss, Splunk
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status: production
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type: Anomaly
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description: This search looks for Pull Request from unknown user.
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data_source: []
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search: '`github` check_suite.pull_requests{}.id=* | stats count by check_suite.head_commit.author.name
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repository.full_name check_suite.pull_requests{}.head.ref check_suite.head_commit.message
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| rename check_suite.head_commit.author.name as user repository.full_name as repository
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check_suite.pull_requests{}.head.ref as ref_head check_suite.head_commit.message
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as commit_message | search NOT `github_known_users` | eval phase="code" | `security_content_ctime(firstTime)`
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| `security_content_ctime(lastTime)` | `github_pull_request_from_unknown_user_filter`'
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how_to_implement: You must index GitHub logs. You can follow the url in reference
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to onboard GitHub logs.
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known_false_positives: unknown
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references:
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- https://www.splunk.com/en_us/blog/tips-and-tricks/getting-github-data-with-webhooks.html
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tags:
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analytic_story:
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- Dev Sec Ops
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asset_type: GitHub
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confidence: 90
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impact: 30
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message: Vulnerabilities found in packages used by GitHub repository $repository$
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mitre_attack_id:
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- T1195.001
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- T1195
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observable:
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- name: repository
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type: Unknown
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role:
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- Victim
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product:
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- Splunk Enterprise
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- Splunk Enterprise Security
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- Splunk Cloud
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risk_score: 27
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security_domain: network
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tests:
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- name: True Positive Test
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attack_data:
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- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1195.001/github_pull_request/github_pull_request.json
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sourcetype: aws:firehose:json
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source: github
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