A wave of attacks that have recently affected banks and other enterprises used open-source penetration testing tools loaded directly into memory instead of traditional malware. Researchers from antivirus vendor Kaspersky Lab started investigating these attacks after the security team from an unnamed bank found Meterpreter in the random access memory (RAM) of a server that acted as the organization’s Windows domain controller. The U.S., France, Ecuador, Kenya and the U.K. are the countries with the largest number of affected networks.”]