f3nris
856dd2321d
crt.sh often answers 502 for minutes at a time. When it is down, sub-domain and exact searches are now answered by SSLMate Cert Spotter, which reads the same CT logs; its rows are reshaped into crt.sh's so the output keeps its shape, plus 'source' and 'complete'. starts_with has no fallback (Cert Spotter cannot search by prefix). Riposte kills an integration script at 60 s, and the old retry loop (4 x 120 s) could never finish. Every call now takes its timeout from a 55 s budget, with 15 s kept for the fallback; only 5xx are retried. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AmWT9wtWHGtZpMS64Hp4q5
58 lines
4.3 KiB
YAML
58 lines
4.3 KiB
YAML
id: crtsh
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name: crt.sh (Certificate Transparency)
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version: 1.1.0
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description: "crt.sh by Sectigo — searches the public Certificate Transparency logs, where every publicly trusted TLS certificate is recorded. Lists a domain's sub-domains and who issued their certificates, shows when a host first got a certificate (a phishing site usually gets one the day it goes live), and finds look-alike domains that start with a client's brand. Free, no API key; stdlib-only. crt.sh is a shared public service: it is slow on big domains and a starts_with search on a short word can time out — keep searches narrow. When crt.sh is down (it often answers 502), sub-domain and exact searches fall back to SSLMate Cert Spotter, which reads the same logs (unexpired certificates only; set a free API key to lift its 10-requests-an-hour limit). As a context enrichment rule (Riposte 0.299+, no score field) on domains: search_certificates with summary `${name_count} names, newest certificate ${certificates.0.not_before}`."
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changelog: "1.1.0 — Cert Spotter fallback: when crt.sh is down (502/503/504 or no answer), sub-domain and exact searches are answered by SSLMate Cert Spotter, from the same CT logs; the output says which (`source`) and whether it may be partial (`complete`). Every call now fits Riposte's 60 s script limit (crt.sh used to be retried for minutes and killed before it answered). 1.0.0 — Initial release: certificate search (sub-domains, exact name, starts with), test connection."
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category: enrichment
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config_schema:
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properties:
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base_url:
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type: string
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description: "crt.sh server (default https://crt.sh)"
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default: https://crt.sh
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certspotter_fallback:
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type: boolean
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description: "When crt.sh is down, answer sub-domain and exact searches from SSLMate Cert Spotter (same CT logs, unexpired certificates only; no starts_with)"
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default: true
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certspotter_api_key:
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type: string
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description: "Cert Spotter API key (optional, free account at sslmate.com). Without one Cert Spotter allows about 10 requests an hour and the fallback reads at most 3 pages; with one, 10 pages"
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x-soar-sensitive: true
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certspotter_url:
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type: string
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description: "Cert Spotter API (default https://api.certspotter.com)"
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default: https://api.certspotter.com
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insecure:
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type: boolean
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description: "Trust any TLS certificate (not secure)"
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default: false
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required: []
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commands:
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- id: search_certificates
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name: crtsh-search-certificates
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description: "Certificates logged for a domain. Returns `names` (each DNS name seen, with the first and last time a certificate covered it, newest first, at most 1000 — `name_count` counts them all), `issuers` (certificate count per CA) and `certificates` (the most recent ones, with a crt.sh link), plus `source` (crt.sh, or certspotter when crt.sh was down and the fallback answered) and `complete` (false when the answer may miss certificates — Cert Spotter page cap, or crt.sh too slow for the apex query). mode: subdomains (default — the domain and every name under it), exact (that name only), starts_with (every logged name beginning with the text, any TLD: look-alikes of a brand such as brand-login.com or brand.co; crt.sh no longer searches for text in the middle of a name, so my-brand.com is not found)."
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risk: read
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inputs_schema:
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properties:
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domain: { type: string, description: "Domain, or the brand to look for with mode=starts_with" }
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mode:
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type: string
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description: "subdomains | exact | starts_with (default subdomains)"
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enum: [subdomains, exact, starts_with]
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exclude_expired: { type: boolean, description: "Ignore expired certificates (default true)" }
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since_days: { type: number, description: "Only certificates issued in the last N days (0 = no limit, default 0)" }
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limit: { type: number, description: "How many certificates to return in `certificates` (default 50, max 500); `names` and `issuers` always count them all" }
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required: [domain]
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outputs_schema: { properties: {} }
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- id: test_connection
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name: crtsh-test-connection
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description: "Run a tiny search against crt.sh (used by the Test button)."
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risk: read
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inputs_schema:
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properties: {}
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required: []
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outputs_schema: { properties: {} }
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