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- Add scripts/agent.py and references/api-reference.md to all remaining skills - Update all 648 LICENSE files: copyright now reads 'Mahipal' - Add implementing-security-monitoring-with-datadog (new skill with full anatomy) - All 649 skills now have: SKILL.md, LICENSE, scripts/agent.py, references/api-reference.md
43 lines
1.6 KiB
Markdown
43 lines
1.6 KiB
Markdown
# API Reference — Performing HTTP Parameter Pollution Attack
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## Libraries Used
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- **requests**: Send HTTP requests with duplicate/encoded parameters
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- **urllib.parse**: URL encoding and parameter manipulation
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## CLI Interface
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```
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python agent.py precedence --url <target> [--param id]
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python agent.py test --url <target> [--method GET|POST]
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python agent.py waf --url <target> --param <name> --value <blocked_value>
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```
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## Core Functions
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### `test_parameter_precedence(url, param_name, headers)` — Detect server parameter handling
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Sends duplicate parameters to determine if server uses FIRST, LAST, BOTH, or UNKNOWN value.
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Tests three value pairs to establish consistent behavior.
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### `test_hpp_payloads(url, method, headers)` — Execute HPP payload suite
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Three categories of payloads:
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- **duplicate_param**: Basic duplicate parameter injection
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- **encoding_bypass**: URL-encoded, null byte, CRLF injection
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- **array_syntax**: PHP arrays, comma-separated, indexed arrays
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Compares responses against baseline to detect anomalies (status/length changes).
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### `test_waf_bypass(url, blocked_param, blocked_value, headers)` — Test WAF evasion
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Five bypass techniques: direct, duplicate_first, duplicate_last, encoded, array syntax.
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Detects if any technique passes WAF filtering (status 403/406/429 = blocked).
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## Payload Categories
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| Category | Count | Purpose |
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| duplicate_param | 3 | Parameter precedence abuse |
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| encoding_bypass | 3 | URL encoding / CRLF injection |
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| array_syntax | 3 | PHP/framework array handling |
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## Dependencies
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```
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pip install requests
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```
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