Intro to Censys CLI

by aidan-censys 3 years ago

macOS ◆ xterm-256color ◆ zsh 5897 views

Commands

# Install censys with pip
$ pip install censys

# Configure your credentials
$ censys config

# Search from the CLI
$ censys search 'services.http.response.html_title: "Tesla Energy Powerpack"' --index-type hosts | jq -c '.[] | {ip: .ip}'

# View an IP on a certain date
$ censys view 41.215.79.210 --at-time 2021-05-29 | jq '{ip: .ip, observed: .last_updated_at}'

# You can save results to a file using the -f arg
$ censys view 41.215.79.210 -f json -o tesla.json

# We can then parse this json with something like jq
$ cat tesla.json | jq '[.services[] | {port: .port, protocol: .service_name}][:3]'

Links

Censys Python Source

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You can download this recording in asciicast v2 format, as a .cast file.

Download

Replay in terminal

You can replay the downloaded recording in your terminal using the asciinema play command:

asciinema play 418153.cast

If you don't have asciinema CLI installed then see installation instructions.

Use with stand-alone player on your website

Download asciinema player from the releases page (you only need .js and .css file), then use it like this:

<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" type="text/css" href="asciinema-player.css" />
</head>
<body>
  <div id="player"></div>
  <script src="asciinema-player.min.js"></script>
  <script>
    AsciinemaPlayer.create(
      '/assets/418153.cast',
      document.getElementById('player'),
      { cols: 80, rows: 25 }
    );
  </script>
</body>
</html>

See asciinema player quick-start guide for full usage instructions.

While this site doesn't provide GIF conversion at the moment, you can still do it yourself with the help of asciinema GIF generator utility - agg.

Once you have it installed, generate a GIF with the following command:

agg https://asciinema.org/a/418153 demo.gif

Or, if you already downloaded the recording file:

agg demo.cast demo.gif

Check agg --help for all available options. You can change font family and size, select color theme, adjust speed and more.

See agg manual for full usage instructions.