Credits - Cobalt Strike Research and Development
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Cobalt Strike makes use of code and/or content from the following sources:

Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK) - (c) 2017 The MITRE Corporation. (This work is reproduced and distributed with the permission of The MITRE Corporation.)

Apache FOP - (c) 1999-2010 The Apache Software Foundation (Apache 2.0 License)

Apache JAMES Mime4j - (c) 2004-2010 The Apache Software Foundation (Apache 2.0 License)

Draggable Tabbed Pane - (c) Tom Martin (Creative Commons 3.0 Share-Alike [Attribution Required] License)

ipcalf - (c) 2012-2014 Nathan Vander Wilt (MIT License)

JGraphX - (c) JGraph Ltd 2006-2012 (BSD License)

jQuery - (c) The jQuery Foundation 2012 (MIT License)

Jsign 1.3 - (c) Emmanuel Bourg (Apache 2.0 License)

LibreSSL - (c) individual authors & OpenSSL Project (BSD license, OpenSSL license, SSLeay License) &

libssh2 - SSH2 library - (c) Sara Golemon et al. (BSD License)

LibTomCrypt - developed by Tom St Denis (Public Domain/WTFPL)

Metasploit Framework - (c) Rapid7 Inc. 2012 (BSD License)

Mimikatz 2.1 - (c) Benjamin 'gentilkiwi' Delpy (Creative Commons Attribution 4.0)

Mono Icon Set - (c) Gentleface Inc. (Royalty Free License to Strategic Cyber LLC)

msfgui - (c) Matt Weeks 2010-2012 (BSD License)

NanoHTTPD - (c) 2001,2005-2012 J. Elonen and (c) 2010 K. Togias (Modified BSD License)

PowerShell Native API Functions - (c) 2012, Matt Graeber (BSD License)

Reflective DLL Injection - (c) 2011, Stephen Fewer of Harmony Security (BSD License)   

Synthetica Look and Feel - (c) Jyloo Software (Commercial License to Strategic Cyber LLC)

tango-icon-theme-package - Tango Desktop Project (Public Domain)

TightVNC Java Viewer - (c) GlavSoft LLC (Commercial License to Strategic Cyber LLC)

Unmanaged PowerShell - (c) 2015, Lee Christensen (BSD License)

user-agent-utils 1.13 - (c) Harald Walker (BSD License)

WinPcap - (c) 2005-2010 CACE Technologies (BSD License)

XMLmind XSL-FO Converter - (c) 2002-2012 Pixware SARL (Developer License to Strategic Cyber LLC)

Cobalt Strike distributes the following third-party programs for deployment as needed:

TightVNC 1.3.10 - (c) 2000-2009 TightVNC Group and others (GPLv2 License)