kingfisher/data/rules/segment.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: Segment Public API Token
id: kingfisher.segment.1
pattern: |
(?xi)
\b
(
sgp_[A-Z0-9_-]{60,70}
)
\b
pattern_requirements:
min_digits: 2
min_entropy: 3.3
confidence: medium
examples:
- sgp_pOqmnKCOAdIxlEbeRLlJKUOE4ravQJ3ZEijxzK4bpPrWaMNPP35kz4OU7ZVsDtgU
validation:
type: Http
content:
request:
headers:
Authorization: "Bearer {{ TOKEN }}"
method: GET
response_matcher:
- report_response: true
- status:
- 200
type: StatusMatch
url: https://api.segmentapis.com/
references:
- https://segment.com/docs/api/public-api/
- https://segment.com/blog/how-segment-proactively-protects-customer-api-tokens/
- name: Segment API Key
id: kingfisher.segment.2
pattern: |
(?xi)
(?:segment|sgmt)
(?:.|[\n\r]){0,16}?
(?:SECRET|PRIVATE|ACCESS|KEY|TOKEN)
(?:.|[\n\r]){0,16}?
\b
(
[A-Z0-9_-]{40,50}\.[A-Z0-9_-]{40,50}
)
pattern_requirements:
min_digits: 2
min_entropy: 3.3
confidence: medium
examples:
- segment_token=FYbcC23QtDKym0b_bapKDaYKcIv5Ggu0B9icU9cfVud.1mSaWEYOh1GIKw11-VVtS3TVXzI04BkCvyijbHWdZK7
validation:
type: Http
content:
request:
headers:
Authorization: "Bearer {{ TOKEN }}"
method: GET
response_matcher:
- report_response: true
- status:
- 200
type: StatusMatch
url: https://api.segmentapis.com/