The IceIX botnet infects systems with account-credential-stealing malware. IceIX is responsible for about 2 percent of banking Trojans globally. IceIX has all the capabilities of Zeus. It also shares similar characteristics to Zeus, indicating that it could have been created using the Zeus source code leak in 2011, according to Dell SecureWorks. The cybercriminals behind the botnet can connect to more than 300 command and control servers. The botnet itself consists of more than 30,000 infected systems.