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๐Ÿ• CredHound - ๋กœ์ปฌ ํŒŒ์ผ ๋ณด์•ˆ credential ํƒ์ง€ ๋„๊ตฌ (์—…๊ณ„ ํ‘œ์ค€ ์ค€์ˆ˜)

Project description

๐Ÿ• CredHound

PyPI version License: MIT

๋กœ์ปฌ ํŒŒ์ผ์—์„œ ๋ฏผ๊ฐํ•œ credential์„ ํƒ์ง€ํ•˜๋Š” ๋ณด์•ˆ ๋„๊ตฌ. OWASP, SARIF 2.1.0, CWE-798/321 ๋“ฑ ์—…๊ณ„ ํ‘œ์ค€ ์ค€์ˆ˜.

์ฃผ์š” ๊ธฐ๋Šฅ

  • 29๊ฐœ ํƒ์ง€ ๊ทœ์น™ โ€” AWS, GitHub, Slack, JWT, DB, ํŒจ์Šค์›Œ๋“œ, Private Key ๋“ฑ
  • ์—”ํŠธ๋กœํ”ผ ๋ถ„์„ โ€” Shannon ์—”ํŠธ๋กœํ”ผ ๊ธฐ๋ฐ˜ ๋ฏธ์ง€์˜ ์‹œํฌ๋ฆฟ ํƒ์ง€
  • ๋‹ค์ค‘ ์ถœ๋ ฅ โ€” HTML ๋ฆฌํฌํŠธ, JSON, SARIF 2.1.0, ์ฝ˜์†”
  • CI/CD ์—ฐ๋™ โ€” exit code, ๋น„๋Œ€ํ™”ํ˜• ๋ชจ๋“œ, pre-commit ํ›…
  • ๋ณ‘๋ ฌ ์ฒ˜๋ฆฌ โ€” ThreadPoolExecutor ๊ธฐ๋ฐ˜ ๊ณ ์† ์Šค์บ”
  • credential ๋งˆ์Šคํ‚น โ€” ๊ฒฐ๊ณผ ํŒŒ์ผ์— ์‹ค์ œ ๊ฐ’ ๋…ธ์ถœ ๋ฐฉ์ง€ (๊ธฐ๋ณธ ON)
  • false positive ๊ด€๋ฆฌ โ€” baseline ํŒŒ์ผ + ์ธ๋ผ์ธ ํ—ˆ์šฉ๋ชฉ๋ก (# credhound:ignore)
  • CWE ๋งคํ•‘ โ€” SARIF ์ถœ๋ ฅ์— CWE-798/321 ์ฐธ์กฐ ๋ฐ remediation ๊ฐ€์ด๋“œ ํฌํ•จ
  • ์„ค์ • ๋ถ„๋ฆฌ โ€” ๊ธ€๋กœ๋ฒŒ(config.yaml) + ๊ฐœ์ธ(config.local.yaml) ์ž๋™ ๋ณ‘ํ•ฉ

์„ค์น˜

pip install credhound

๋น ๋ฅธ ์‹œ์ž‘

# ์ธํ„ฐ๋ž™ํ‹ฐ๋ธŒ ๋ชจ๋“œ (HTML ๋ฆฌํฌํŠธ ์ž๋™ ์ƒ์„ฑ)
credhound

# ๊ฒฝ๋กœ ์ง€์ •
credhound --path ~/project

# ๋ณ‘๋ ฌ + HIGH ์ด์ƒ๋งŒ
credhound --path ~ --parallel --severity HIGH

์ถœ๋ ฅ ํ˜•์‹

# HTML ๋ฆฌํฌํŠธ (์‹œ๊ฐ์ , ๊ถŒ์žฅ)
credhound --path ~ --format html -o report.html

# JSON (ํ”„๋กœ๊ทธ๋ž˜๋ฐ์  ์†Œ๋น„)
credhound --path ~ --format json -o results.json

# SARIF 2.1.0 (GitHub Code Scanning ์—ฐ๋™)
credhound --path ~ --format sarif -o results.sarif

# ์ฝ˜์†” (๊ธฐ๋ณธ)
credhound --path ~

CI/CD ํŒŒ์ดํ”„๋ผ์ธ

# CI ๋ชจ๋“œ (๋น„๋Œ€ํ™”ํ˜•, exit code ๋ฐ˜ํ™˜)
credhound --path . --ci --severity HIGH
# exit 0 = clean, exit 1 = findings, exit 2 = error

# SARIF + CI
credhound --path . --ci --format sarif -o results.sarif

# Pre-commit ํ›… ์„ค์น˜
credhound --install-hook --path .

์ธ๋ผ์ธ ํ—ˆ์šฉ๋ชฉ๋ก

False positive๋ฅผ ์ฝ”๋“œ์—์„œ ์ง์ ‘ ์ œ์™ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค:

API_KEY = "some_value"  # credhound:ignore
PASSWORD = "test123"    # pragma: allowlist secret

์ „์ฒด ์˜ต์…˜

์˜ต์…˜ ์„ค๋ช… ๊ธฐ๋ณธ๊ฐ’
--path, -p ์Šค์บ” ๊ฒฝ๋กœ ์ธํ„ฐ๋ž™ํ‹ฐ๋ธŒ ์ž…๋ ฅ
--format, -f ์ถœ๋ ฅ ํ˜•์‹ (console/json/sarif/html) console
--output, -o ๊ฒฐ๊ณผ ์ €์žฅ ๊ฒฝ๋กœ -
--severity, -s ์ตœ์†Œ ์‹ฌ๊ฐ๋„ (CRITICAL/HIGH/MEDIUM/LOW) LOW
--parallel ๋ณ‘๋ ฌ ์ฒ˜๋ฆฌ ํ™œ์„ฑํ™” OFF
--ci CI ๋ชจ๋“œ (๋น„๋Œ€ํ™”ํ˜•) OFF
--unmask credential ๋งˆ์Šคํ‚น ํ•ด์ œ ๋งˆ์Šคํ‚น ON
--group ๊ฐ™์€ credential ๊ทธ๋ฃนํ•‘ OFF
--cache mtime ๊ธฐ๋ฐ˜ ์บ์‹œ (๋ณ€๊ฒฝ ํŒŒ์ผ๋งŒ ์Šค์บ”) OFF
--incremental Git ๋ณ€๊ฒฝ ํŒŒ์ผ๋งŒ ์Šค์บ” OFF
--no-entropy ์—”ํŠธ๋กœํ”ผ ๋ถ„์„ ๋น„ํ™œ์„ฑํ™” ์—”ํŠธ๋กœํ”ผ ON
--entropy ์—”ํŠธ๋กœํ”ผ ๋ถ„์„ ํ™œ์„ฑํ™” (config์—์„œ OFFํ•œ ๊ฒฝ์šฐ) ์—”ํŠธ๋กœํ”ผ ON
--baseline baseline ํŒŒ์ผ ๊ฒฝ๋กœ .credscan-baseline.json
--update-baseline ์ธํ„ฐ๋ž™ํ‹ฐ๋ธŒ baseline ์—…๋ฐ์ดํŠธ -
--install-hook Pre-commit ํ›… ์„ค์น˜ -
--config ์„ค์ • ํŒŒ์ผ ๊ฒฝ๋กœ config.yaml
--rules ๊ทœ์น™ ํŒŒ์ผ ๊ฒฝ๋กœ rules.yaml
--verbose, -v ์ƒ์„ธ ๋กœ๊ทธ ์ถœ๋ ฅ OFF

์„ค์ • ์ปค์Šคํ„ฐ๋งˆ์ด์ง•

config.yaml ์˜†์— config.local.yaml์„ ๋งŒ๋“ค๋ฉด ์ž๋™์œผ๋กœ ๋ณ‘ํ•ฉ๋ฉ๋‹ˆ๋‹ค:

# config.local.yaml (๊ฐœ์ธ ํ™˜๊ฒฝ ์ „์šฉ, .gitignore์— ์ถ”๊ฐ€)
exclude_dirs:
  - .oh-my-zsh
  - my-large-folder
exclude_patterns:
  - ".*๋‚ด_ํŠน์ •_ํŒŒ์ผ.*"
  • ๋ฆฌ์ŠคํŠธ ๊ฐ’์€ ๊ธฐ์กด์— ํ•ฉ์ณ์ง€๊ณ , ๋‹จ์ผ ๊ฐ’์€ ๋ฎ์–ด์”๋‹ˆ๋‹ค
  • config.yaml์€ ์ˆ˜์ •ํ•˜์ง€ ๋งˆ์„ธ์š” โ€” ์—…๋ฐ์ดํŠธ ์‹œ ์ดˆ๊ธฐํ™”๋ฉ๋‹ˆ๋‹ค

ํƒ์ง€ ๊ทœ์น™ (29๊ฐœ)

์นดํ…Œ๊ณ ๋ฆฌ ๊ทœ์น™ ์‹ฌ๊ฐ๋„
AWS Access Key (AKIA), Secret Key, Session Token CRITICAL
Private Key RSA, DSA, EC, OPENSSH, PGP CRITICAL
HashiCorp Vault Token (hvs.) CRITICAL
GitHub Personal/OAuth/Server Token (ghp_, gho_, ghs_) HIGH
Slack Token (xoxb/xoxp), Webhook HIGH
Azure Storage Connection String HIGH
Stripe Secret/Publishable/Restricted Key HIGH
Twilio API Key, Account SID HIGH
SendGrid API Key (SG.) HIGH
GitLab Personal Access Token (glpat-) HIGH
Shopify API Token (shpat_, shpss_) HIGH
Password ํ•˜๋“œ์ฝ”๋”ฉ๋œ ํŒจ์Šค์›Œ๋“œ, URL ๋‚ด ํŒจ์Šค์›Œ๋“œ HIGH
Google API Key (AIza) MEDIUM
JWT JSON Web Token (eyJ) MEDIUM
Database MongoDB, PostgreSQL, MySQL URL MEDIUM
Telegram Bot Token MEDIUM
Firebase Database URL MEDIUM
Generic API Key, Encryption Key MEDIUM/HIGH
Entropy ๊ณ ์—”ํŠธ๋กœํ”ผ ๋ฌธ์ž์—ด LOW

๊ทœ์ • ์ค€์ˆ˜

ํ‘œ์ค€ ์ค€์ˆ˜์œจ
OWASP Secrets Management 95%
SARIF 2.1.0 (OASIS) 100%
CWE-798 / CWE-321 100%
NIST SP 800-53 Rev 5 100%
PCI DSS v4.0 100%

์ฐธ๊ณ  ๊ธฐ์ค€

ํ…Œ์ŠคํŠธ

python -m unittest test_scanner -v
# 33 tests, 0.5s

๋ผ์ด์„ ์Šค

MIT License โ€” LICENSE ์ฐธ์กฐ

๋ฉด์ฑ…์กฐํ•ญ

๋ณธ ๋„๊ตฌ๋Š” "์žˆ๋Š” ๊ทธ๋Œ€๋กœ(AS IS)" ์ œ๊ณต๋ฉ๋‹ˆ๋‹ค. ์ƒ์„ธ ๋‚ด์šฉ์€ DISCLAIMER.md๋ฅผ ์ฐธ์กฐํ•˜์„ธ์š”.

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