default_vocabularies Potential reuse of the MAL

[athiasjerome]

The MAL: A Malware Analysis Lexicon could potentially be interesting
http://repository.cmu.edu/cgi/viewcontent.cgi?article=1728&context=sei

[ikiril01]

@athiasjerome agreed! We've actually rolled some of these terms into our MalwareLabelVocab: http://maecproject.github.io/data-model/4.1/maecVocabs/MalwareLabelVocab-1.0/

However, we should probably take another pass at the MAL and make sure we align wherever appropriate.