The global reach of the January 2017 campaign which we analyzed in this post is a marked departure from previous Dimnie targeting tactics. Multiple factors have contributed to Dimnie’s relatively long-lived existence. By masking upload and download network traffic as innocuous user activity, Dimnie has taken advantage of defenders’ assumptions about what normal traffic looks like. This blending in tactic, combined with a prior penchant for targeting systems used by Russian speakers, likely allowed Dimnie to remain relatively unknown.