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mukul975
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Complete skill folder anatomy across all cybersecurity skills: - scripts/agent.py: 80-150 line Python agents using real libraries (impacket, boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.) - references/api-reference.md: real API documentation with method signatures - LICENSE: MIT license for all skill folders
57 lines
1.8 KiB
Markdown
57 lines
1.8 KiB
Markdown
# API Reference: Testing for Business Logic Vulnerabilities
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## requests Library
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### Concurrent Testing (Race Conditions)
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```python
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import threading
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def send_request():
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resp = requests.post(url, headers=headers, json=payload)
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results.append(resp.status_code)
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threads = [threading.Thread(target=send_request) for _ in range(10)]
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for t in threads: t.start()
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for t in threads: t.join()
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```
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## Business Logic Test Categories
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### Price Manipulation Payloads
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| Test | Payload | Expected |
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|------|---------|----------|
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| Negative quantity | `{"quantity": -1}` | Should reject |
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| Zero price | `{"price": 0}` | Should reject |
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| Float quantity | `{"quantity": 0.001}` | Should reject for physical goods |
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| Integer overflow | `{"quantity": 2147483647}` | Should reject |
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| Negative price | `{"price": -99.99}` | Should reject |
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### Workflow Bypass Tests
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1. Skip email verification -> access dashboard
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2. Skip payment -> confirm order
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3. Skip MFA -> access protected resources
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4. Repeat one-time steps (coupon, voucher)
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### Race Condition Targets
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| Endpoint | Risk |
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|----------|------|
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| Coupon application | Applied multiple times |
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| Balance transfer | Double spending |
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| Reward claiming | Multiple claims |
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| Inventory purchase | Overselling |
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### Referral/Reward Abuse
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- Self-referral with own email
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- Referral code reuse across accounts
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- Coupon stacking (multiple codes)
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- Earn points -> cancel order -> keep points
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## OWASP Category
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- A04:2021 - Insecure Design
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- Business logic flaws are not detectable by automated scanners
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## References
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- OWASP Testing Business Logic: https://owasp.org/www-project-web-security-testing-guide/latest/4-Web_Application_Security_Testing/10-Business_Logic_Testing/
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- PortSwigger Business Logic: https://portswigger.net/web-security/logic-flaws
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- requests docs: https://docs.python-requests.org/
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