.. / socat
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Shell

It can be used to break out from restricted environments by spawning an interactive system shell.

The exec argument runs an arbitrary command and spawn a shell.
```
socat stdin exec:bash
```

Command

It can be used to break out from the intended program by running non-interactive system commands.

The exec argument runs an arbitrary command.
```
socat stdin exec:whoami
```

File read

It reads data from files, it may be used to do privileged reads or disclose files outside a restricted file system.

The command leverages socats ability to relay data, reading arbitary file by opening it in read-only mode.
```
socat -u OPEN:/etc/passwd,rdonly STDOUT
```