kingfisher/data/rules/clearbit.yml
Mick Grove c0e4910d1f 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: Clearbit API Key
id: kingfisher.clearbit.1
pattern: |
(?xi)
\b
clearbit
(?:.|[\n\r]){0,16}?
(?:SECRET|PRIVATE|ACCESS|KEY|TOKEN)
(?:.|[\n\r]){0,32}?
\b
(
[0-9a-z_]{35}
)
\b
pattern_requirements:
min_digits: 2
min_entropy: 3.5
confidence: medium
examples:
- clearbit_token = tq50141fm92fl4nid9c1c7liouhbertbvg1
validation:
type: Http
content:
request:
method: GET
url: https://discovery.clearbit.com/v1/companies/entities?name=kingfisher
headers:
Authorization: "Bearer {{ TOKEN }}"
response_matcher:
- report_response: true
- type: WordMatch
words:
- '"Invalid API key provided"'
negative: true