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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
76 lines
2.6 KiB
Markdown
76 lines
2.6 KiB
Markdown
# API Reference: Malware Reverse Engineering with Ghidra Agent
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## Overview
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Combines Ghidra headless analysis with r2pipe (radare2) for automated malware binary analysis: function enumeration, import classification, section entropy, cryptographic constant detection, and network indicator extraction.
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## Dependencies
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| Package | Version | Purpose |
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|---------|---------|---------|
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| r2pipe | >= 1.8 | Radare2 scripting interface for binary analysis |
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| hashlib | stdlib | File hash computation |
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## External Tools
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| Tool | Purpose |
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|------|---------|
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| Ghidra (analyzeHeadless) | Automated disassembly and decompilation |
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| radare2 | Binary analysis, function detection, string extraction |
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## Core Functions
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### `run_ghidra_headless(ghidra_path, project_dir, project_name, binary_path, script)`
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Executes Ghidra in headless mode with optional post-analysis script.
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- **Timeout**: 600 seconds
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- **Returns**: `dict` with command, returncode, stdout/stderr
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### `export_functions_ghidra(...)`
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Generates and runs a Ghidra script to export function list as JSON.
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- **Exports**: name, address, size, calling convention, is_thunk
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### `analyze_with_radare2(filepath)`
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Full r2pipe analysis: binary info, functions, imports, strings, sections, entry points.
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- **Classifies imports**: injection, network, evasion, crypto, persistence
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- **Extracts**: network indicators (URLs, IPs) from strings
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- **Returns**: `dict` with info, function_count, suspicious_imports, sections, etc.
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### `extract_crypto_constants(filepath)`
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Searches binary for known cryptographic constants: AES S-box, RC4 init table, SHA-256 init vector, RSA magic bytes.
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- **Returns**: `list[dict]` with constant name and file offset
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### `analyze_malware(filepath, ghidra_path, output_dir)`
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Full pipeline: hashes -> crypto constants -> radare2 analysis -> Ghidra headless.
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## Suspicious Import Categories
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| Category | Example Functions |
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|----------|-------------------|
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| injection | VirtualAllocEx, WriteProcessMemory, CreateRemoteThread |
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| network | InternetOpenA, WSAStartup, URLDownloadToFileA |
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| evasion | IsDebuggerPresent, NtQueryInformationProcess |
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| crypto | CryptEncrypt, CryptDecrypt |
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| persistence | RegSetValueExA, CreateServiceA |
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## Radare2 Commands Used
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| Command | Purpose |
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|---------|---------|
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| `aaa` | Full auto-analysis |
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| `ij` | Binary info as JSON |
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| `aflj` | Function list as JSON |
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| `iij` | Import list as JSON |
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| `izj` | String list as JSON |
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| `iSj` | Section list as JSON |
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| `iej` | Entry points as JSON |
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## Usage
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```bash
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# With radare2 only
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python agent.py malware.exe
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# With Ghidra headless analysis
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python agent.py malware.exe /opt/ghidra
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```
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