Derusbi (Server Variant) Preliminary Analysis Share this:Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)July 9, 2015 by Caitlyn Ottinger Derusbi (Server Variant) Preliminary Analysis This triage report outlines one of the specific malware families the threat actor group uses and preliminary analysis of the findings of the coalition.