mirror of
https://github.com/splunk/security_content
synced 2026-06-08 17:32:49 +00:00
Jose Enrique Hernandez
66 lines
2.0 KiB
YAML
66 lines
2.0 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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type: Anomaly
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datamodel: []
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description: This search looks for Pull Request from unknown user.
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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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automated_detection_testing: passed
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cis20:
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- CIS 13
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confidence: 90
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dataset:
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- 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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impact: 30
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kill_chain_phases:
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- Actions on Objectives
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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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nist:
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- PR.DS
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- PR.AC
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- DE.CM
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observable:
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- name: repository
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type: System
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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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- Dev Sec Ops Analytics
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required_fields:
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- _time
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- alert.id
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- repository.full_name
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- repository.html_url
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- action
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- alert.affected_package_name
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- alert.affected_range
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- alert.created_at
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- alert.external_identifier
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- alert.external_reference
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- alert.fixed_in
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- alert.severity
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risk_score: 27
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security_domain: network
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