using a executable file or shellcode to generate office macro
reference:https://citrusice.github.io/posts/malicious-macro
usage: generate.py [-h] [-t type] [-o output] bin
positional arguments:
bin binary file to be encoded
optional arguments:
-h, --help show this help message and exit
-t type, --type type type of malicious, using cmd or shellocde
-o output, --output output
output filename, if this option not be specified, the
result will be print to stdout