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BitTorrent-Forensics

Python script for analyzing .torrent files and uTorrent .dat files

General Information on BitTorrent Forensics

See the following blog post by Michael R. Godfrey for general information on BitTorrent forensics, including what artifacts are available and how they are stored.

Functionality

  1. Perform piece analysis on .torrent files to verify that a file/folder matches the content associated with a given .torrent file
  2. Retrieve/decode a list of DHT peers from the dht.dat file
  3. Retrieve/decode a list of peers from the resume.dat file

Installation

Requires Python 3.x

$ python3 setup.py install

Usage

$ bittorrent-forensics --help

usage: bittorrent-forensics [-h] [--version] {torrent-piece-analysis,uTorrent-dht-nodes,uTorrent-resume-peers} ...

positional arguments:
  {torrent-piece-analysis,uTorrent-dht-nodes,uTorrent-resume-peers}
                        Options
    torrent-piece-analysis
                        Perform piece analysis on .torrent file and content file/folder
    uTorrent-dht-nodes  Parse hex from dht.dat nodes key
    uTorrent-resume-peers
                        Parse hex from resume.dat peers6 key

optional arguments:
  -h, --help            show this help message and exit
  --version             show program's version number and exit

General (Torrent Client Agnostic)

Torrent File Piece Analysis

bittorrent-forensics torrent-piece-analysis --help

usage: bittorrent-forensics torrent-piece-analysis [-h] -t TORRENT_FILE -d DATA_FILE [-o OUT] [--silent] [--write-blob]

optional arguments:
  -h, --help            show this help message and exit
  -t TORRENT_FILE, --torrent-file TORRENT_FILE
                        Torrent file
  -d DATA_FILE, --data-file DATA_FILE
                        File to check against torrent file
  -o OUT, --out OUT     File to write results to
  --silent              Do not print results to terminal
  --write-blob          Write assembled hex blob to disk

Example:

  1. Process torrent file that downloads test_torrent.jpg: bittorrent-forensics torrent-piece-analysis -t test_torrent.torrent -d test_torrent.jpg -o result.csv

  2. Process torrent file that downloads folder test: bittorrent-forensics torrent-piece-analysis -t test_torrent.torrent -d test -o result.csv

uTorrent Client

DHT Peers Processing

bittorrent-forensics uTorrent-dht-nodes --help

usage: bittorrent-forensics uTorrent-dht-nodes [-h] (-s HEX_STR | -f FILE) [-c CSV] [--silent]

optional arguments:
  -h, --help            show this help message and exit
  -s HEX_STR, --hex_str HEX_STR
                        String starting with 0x to decode
  -f FILE, --file FILE  File containing string(s) starting with 0x to decode, one per line
  -c CSV, --csv CSV     Folder to write csv file to
  --silent              Do not print results to terminal

Resume Peers Processing

bittorrent-forensics uTorrent-resume-peers --help

usage: bittorrent-forensics uTorrent-resume-peers [-h] (-s HEX_STR | -f FILE) [-c CSV] [--silent]

optional arguments:
  -h, --help            show this help message and exit
  -s HEX_STR, --hex_str HEX_STR
                        String starting with 0x to decode
  -f FILE, --file FILE  File containing string(s) starting with 0x to decode, one per line
  -c CSV, --csv CSV     Folder to write csv file to
  --silent              Do not print results to terminal