kingfisher/data/rules/fastly.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: Fastly API token
id: kingfisher.fastly.1
pattern: |
(?xi)
\b
fastly
(?:.|[\n\r]){0,32}?
(?:SECRET|PRIVATE|ACCESS|KEY|TOKEN)
(?:.|[\n\r]){0,32}?
\b
(
[a-z0-9_-]{32}
)
\b
pattern_requirements:
min_digits: 2
min_entropy: 3.5
confidence: medium
examples:
- 'Fastly token: fgsb3ef237afd6c1b9d91f81cdba64f3'
references:
- https://developer.fastly.com/reference/api/#authentication
validation:
type: Http
content:
request:
headers:
Fastly-Key: '{{ TOKEN }}'
method: GET
response_matcher:
- report_response: true
- status:
- 200
type: StatusMatch
url: https://api.fastly.com/current_user