https://github.com/utoni/tcp-split

split tcp streams using scapy
https://github.com/utoni/tcp-split

python3 scapy tcp tcp-protocol tcp-segmentation

Last synced: 29 days ago
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split tcp streams using scapy

• Host: GitHub
• URL: https://github.com/utoni/tcp-split
• Owner: utoni
• Created: 2022-06-13T12:37:19.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2022-08-08T13:51:41.000Z (over 2 years ago)
• Last Synced: 2023-03-22T13:18:35.225Z (over 1 year ago)
• Topics: python3, scapy, tcp, tcp-protocol, tcp-segmentation
• Language: Python
• Homepage:
• Size: 20.5 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
tcp-split

=========

This project is mostly used for my personal research and testing purposes.

Split TCP segments of a stream into smaller ones using Scapy and PCAP files.

Inspired and Copy&Paste from [scapy-tcp-extractor](https://github.com/deeso/scapy-tcp-extractor).

```shell

usage: TCPSplit.py [-h] [-o OUTPUT] [-s] [-l LENGTH] [-b BPF] input

positional arguments:

  input                 PCAP input file

options:

  -h, --help            show this help message and exit

  -o OUTPUT, --output OUTPUT

                        PCAP output file

  -s, --summary         Print found TCP Streams to stdout

  -l LENGTH, --length LENGTH

                        Split TCP payload every n bytes

  -b BPF, --bpf BPF     BPF filter to apply

```

You can use the `example.pcapng` which contains two TCP Streams with some ASCII content by typing:

`./TCPSplit.py -o ./splitted.pcap -l1 -s ./example.pcapng`

This will print a summary of all found TCP streams and split the TCP segments into segments of 1 byte size. The resulting `splitted.pcap` file should contain valid TCP streams.