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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
54 lines
1.7 KiB
Markdown
54 lines
1.7 KiB
Markdown
# API Reference: WAF Bypass Testing
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## Encoding Bypass Techniques
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| Technique | Example | Description |
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|-----------|---------|-------------|
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| URL Encoding | `%3Cscript%3E` | Single URL encode |
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| Double Encoding | `%253Cscript%253E` | Double URL encode |
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| Unicode/Fullwidth | `\uff1cscript\uff1e` | Unicode replacement |
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| HTML Entities | `<script>` | Hex HTML entities |
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| Null Byte | `%00` insertion | Terminate string parsing |
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| Tab/Newline | `scr\tipt` | Whitespace insertion |
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## SQLi WAF Bypass Techniques
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| Technique | Payload Pattern |
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|-----------|----------------|
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| Inline Comment | `1'/**/OR/**/1=1--` |
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| Version Comment | `1'/*!50000OR*/1=1--` |
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| Case Variation | `1' oR 1=1--` |
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| Hex Encoding | `0x313d31` |
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| Buffer Overflow | Long padding before payload |
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| Content-Type Switch | Send as `application/json` |
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## HTTP Method Bypass
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| Method | WAF Behavior |
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|--------|-------------|
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| GET/POST | Usually inspected |
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| PUT/PATCH/DELETE | Often not inspected |
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| OPTIONS | Typically bypasses rules |
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## WAF Detection Indicators
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| Response | Meaning |
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|----------|---------|
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| 403 Forbidden | Request blocked by WAF |
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| 406 Not Acceptable | Content rejected |
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| 429 Too Many Requests | Rate limited |
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| Custom error page | WAF vendor-specific block |
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## Python Libraries
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| Library | Version | Purpose |
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|---------|---------|---------|
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| `requests` | >=2.28 | HTTP request sending |
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| `urllib.parse` | stdlib | URL encoding/double encoding |
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## References
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- OWASP WAF Bypass: https://owasp.org/www-community/attacks/WAF_Bypass
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- PortSwigger WAF Bypass: https://portswigger.net/web-security/essential-skills/obfuscating-attacks-using-encodings
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- PayloadsAllTheThings WAF: https://github.com/swisskyrepo/PayloadsAllTheThings/tree/master/WAF%20Bypass
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