kingfisher/data/rules/datadog.yml
Mick Grove 0f953f59a5 pattern_requirements for rules — Post-regex character-class gating to cut false positives without lookarounds. Authors can now require minimum counts of digits, uppercase, lowercase, and special characters, with an optional custom special-char set.
Why: Hyperscan doesn’t support lookaheads/behinds, so many “must contain X and Y” checks had to be baked into the regex (hurting readability) or were impossible. pattern_requirements applies lightweight, in-memory checks after a match is found, keeping patterns fast and clean.
2025-11-04 13:55:31 -05:00

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YAML

rules:
- name: Datadog API Key
id: kingfisher.datadog.1
pattern: |
(?xi)
\b
datadog
(?:.|[\n\r]){0,64}?
(?:SECRET|PRIVATE|ACCESS|KEY|TOKEN)
(?:.|[\n\r]){0,32}?
\b
(
[a-z0-9]{32}
)
\b
pattern_requirements:
min_digits: 2
min_entropy: 3.3
confidence: medium
examples:
- datadog-secrettoken-0024a29224affe29d173c0bf99e5a89d
references:
- https://docs.datadoghq.com/account_management/api-app-keys/
validation:
type: Http
content:
request:
headers:
Accept: application/json
DD-API-KEY: '{{ TOKEN }}'
DD-APPLICATION-KEY: '{{ APPKEY }}'
method: GET
response_matcher:
- report_response: true
- status:
- 200
type: StatusMatch
url: https://api.datadoghq.com/api/v2/current_user
depends_on_rule:
- rule_id: kingfisher.datadog.2
variable: APPKEY
- name: Datadog Application Secret
id: kingfisher.datadog.2
pattern: |
(?xi)
\b
datadog
(?:.|[\n\r]){0,64}?
(?:SECRET|PRIVATE|ACCESS|KEY|TOKEN)
(?:.|[\n\r]){0,16}?
(
[a-z0-9]{40}
)
pattern_requirements:
min_digits: 2
min_uppercase: 1
min_lowercase: 1
min_entropy: 3.3
confidence: medium
examples:
- datadog_secret_key-3c0c3965368a6b10f7640dbda46abfdca981c2d3
- datadog_token = BzHpkcs7LujMb3Q1vLRRjbpBNxxYV0ousumYoKJS
references:
- https://docs.datadoghq.com/account_management/api-app-keys/