reverse engineering with R2

by oddcoder 8 years ago

GNU/Linux ◆ xterm-256color ◆ bash 1083 views

Watch me do that fancy stuff and password cracking and hacking pacman emoticon pacman emoticon (actually I recorded it because I just wanted to test my new shell recording capabilities ) enjoy…and for those who will ask r2 is radare2 that crackme I got it over the internet aa and aaa means analyse all pdf means print disassembled function pd means (non surprisingly) print disassebled from the current possition dc means debugger continue dr means print debugger registers ds means debugger strep into dso means debugger step over rax2 is the programmer’s calculator to convert through different bases

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You can download this recording in asciicast v1 format, as a .json file.

Download

Replay in terminal

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

asciinema play 33415.json

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/33415.json',
      document.getElementById('player'),
      { cols: 80, rows: 24 }
    );
  </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/33415 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.