digraph {
concentrate=true;overlap=scale;"tool=Empire" [label="tool\nEmpire",shape=box,style=filled,color=deepskyblue];"tool=Empire" -> "exploit-kit=Empire" [label="similar",dir="both"];"exploit-kit=Empire" [label="exploit-kit\nEmpire",shape=box,style=filled,color=deepskyblue];}