[tag=RB] [tag=VBG] [lemma=datum] [lemma=back] □
[tag=RB] [tag=VBG] [lemma=datum] [lemma=back] [□]
[tag=RB] [tag=VBG] [lemma=datum] [lemma=back] (□ | □)
During the course of infecting a machine , Jordan discovered that the machine became a spam zombie that was also sending data back to a remote server .