digraph {
concentrate=true;overlap=scale;"tool=Mad Max" [label="tool\nMad Max",shape=box,style=filled,color=deepskyblue];"tool=Mad Max" -> "botnet=Madmax" [label="similar",dir="both"];"botnet=Madmax" [label="botnet\nMadmax",shape=box,style=filled,color=deepskyblue];}