In 2017, the WannaCry worm infected 200,000 computers across 150 countries in a single day. Hospitals in England, banks in Spain, and Renault factories were brought to a standstill. Inside the worm was the EternalBlue exploit โ a tool stolen from the US NSA.
After EternalBlue was leaked, it was added to Metasploit โ a framework with a database of ready-made "lockpicks." Since then, anyone can launch this attack in just 5 commands. It is a "weapon of mass exploitation" accessible to everyone.
This lesson is about the core concept. You will work only in a lab VM. Running this on someone else's computer = Criminal Code Article 273 (creation of malware), up to 5 years in prison.