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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
55 lines
1.6 KiB
Markdown
55 lines
1.6 KiB
Markdown
# API Reference: Malware Triage with YARA
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## yara-python API
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```python
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import yara
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# Compile from files
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rules = yara.compile(filepaths={"ns1": "rules.yar"})
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# Compile from string
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rules = yara.compile(source='rule test { condition: true }')
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# Scan file
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matches = rules.match("/path/to/sample")
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# Scan data
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matches = rules.match(data=open("sample", "rb").read())
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```
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## Match Object Attributes
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| Attribute | Type | Description |
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|-----------|------|-------------|
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| `match.rule` | str | Name of the matching rule |
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| `match.namespace` | str | Rule file namespace |
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| `match.tags` | list | Tags from the rule definition |
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| `match.meta` | dict | Meta fields (author, description, hash) |
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| `match.strings` | list | Matched strings: (offset, identifier, data) |
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## YARA CLI
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| Command | Description |
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|---------|-------------|
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| `yara rules.yar sample.exe` | Scan file against rules |
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| `yara -r rules.yar /dir/` | Recursive directory scan |
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| `yara -s rules.yar sample.exe` | Show matching strings |
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| `yarac rules.yar compiled.yarc` | Compile rules for faster loading |
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| `yara -C rules.yar` | Check rule syntax |
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## Python Libraries
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| Library | Version | Purpose |
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|---------|---------|---------|
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| `yara-python` | >=4.3 | YARA rule compilation and scanning |
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| `hashlib` | stdlib | Sample hashing (SHA-256, MD5) |
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## References
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- YARA documentation: https://yara.readthedocs.io/
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- yara-python: https://github.com/VirusTotal/yara-python
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- YARA-Rules community: https://github.com/Yara-Rules/rules
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- Signature-base: https://github.com/Neo23x0/signature-base
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- yarGen rule generator: https://github.com/Neo23x0/yarGen
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