The Metasploit Exploit Framework source code is dual-licensed under the GNU General Public License v2.0 and the Artistic License. The package is Copyright (c) 2003-2005 H D Moore and spoonm, contributions from others and their individual copyrights are marked at the top of each file. Copies of the GPL and Artistic licenses can be found in the "docs" subdirectory, named "COPYING.GNU" and "COPYING.Artistic" respectively.
The exploit modules included in this package are individually licensed and Copyright (c) by their respective authors. Please see the Author field of each module to determine what license is specified. If you need a module under a different license (GPL module and you want to include it in non-GPL code), please contact the author directly.
The payload modules included in this package are individually licensed and Copyright (c) by their respective authors. Please see the Author field of each module to determine what license is specified. Some of the assembly payloads were obtained from public resources that did not specify the terms of license. These payloads are being treated as public domain and will be removed or rewritten if a dispute arises.
The Meterpreter is dual-licensed under the GNU General Public License v2.0 and the Artistic License. The Meterpreter component is Copyright (c) 2004-2005 Matt Miller. Please contact Matt Miller directly for questions regarding the license and licensing of the Meterpreter.
The InlineEgg library and some of the examples are Copyright (c) 2002, 2003 Core Security Technologies, Core SDI Inc and under a non-commercial license. Please see the COPYING.InlineEgg file in the "docs" subdirectory for more information. This code may not be included or referenced in any form by a commercial derivative of the Metasploit Exploit Framework.
The Impurity components are licensed under the GNU General Public License v2.0 and Copyright (c) 2003 Alexander E. Cuttergo. Modifications have been made from the original version and the additional components are Copyright (c) 2003 H D Moore / METASPLOIT.COM. The assembly payloads and handler routines that are incorporated into the Metasploit Exploit Framework are compatible with, but not derivative works of, the original Impurity release.