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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
74 lines
2.1 KiB
Markdown
74 lines
2.1 KiB
Markdown
# API Reference: Analyzing USB Device Connection History
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## regipy (Python Registry Parser)
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### Open and Parse Registry Hive
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```python
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from regipy.registry import RegistryHive
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reg = RegistryHive("/path/to/SYSTEM")
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key = reg.get_key("ControlSet001\\Enum\\USBSTOR")
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for subkey in key.iter_subkeys():
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print(subkey.name, subkey.header.last_modified)
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for val in subkey.iter_values():
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print(f" {val.name} = {val.value}")
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```
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### Key Registry Paths for USB Forensics
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| Path | Hive | Description |
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|------|------|-------------|
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| `ControlSet00X\Enum\USBSTOR` | SYSTEM | USB mass storage device identifiers |
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| `MountedDevices` | SYSTEM | Drive letter to device mapping |
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| `ControlSet00X\Enum\USB` | SYSTEM | All USB devices (not just storage) |
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| `Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2` | NTUSER.DAT | Per-user volume access history |
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### Determine Active ControlSet
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```python
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select_key = reg.get_key("Select")
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current = select_key.get_value("Current")
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controlset = f"ControlSet{current:03d}"
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```
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## python-evtx (Event Log Parsing)
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```python
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from evtx import PyEvtxParser
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import json
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parser = PyEvtxParser("/path/to/System.evtx")
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for record in parser.records_json():
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data = json.loads(record["data"])
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event_id = data["Event"]["System"]["EventID"]
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if event_id in (20001, 20003): # USB plug events
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print(record["timestamp"], event_id)
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```
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## SetupAPI Log Parsing
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```python
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import re
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with open("setupapi.dev.log", "r", errors="ignore") as f:
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content = f.read()
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pattern = r"Section start (\d{4}/\d{2}/\d{2} \d{2}:\d{2}:\d{2})"
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for match in re.finditer(pattern, content):
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print("First install:", match.group(1))
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```
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## USB Forensic Registry Keys
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| Key | Data |
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|-----|------|
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| `USBSTOR\Disk&Ven_X&Prod_Y&Rev_Z\Serial` | Device class and serial |
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| `FriendlyName` value | Human-readable device name |
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| `DeviceContainers` (SOFTWARE) | Device metadata with timestamps |
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| `EMDMgmt` (SOFTWARE) | ReadyBoost device serial/volume info |
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### References
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- regipy: https://pypi.org/project/regipy/
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- python-evtx: https://pypi.org/project/evtx/
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- SANS USB forensics: https://www.sans.org/blog/usb-device-tracking-artifacts/
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