What Does Blue Bomb Mean?

Blue bomb is a slang term for a specific kind of denial of service attack that results in a blue screen of death, a Windows operating system screen showing that the system has crashed. A blue bomb is also known as WinNuke, and it involves sending an out-of-band packet that the operating system is not able to process.

Techopedia Explains Blue Bomb

Blue bombs started with early versions of the Windows operating system, such as Windows 95 and Windows NT. It was often used by game players and IRC chat participants, and was easily sent to other computers to crash a system. The blue bomb sent an “urgent pointer” which the operating systems did not handle correctly. It attacked a computer through port 139.