The source code for the widely-used Cobalt Strike post-exploitation toolkit has allegedly been leaked online in a GitHub repository. The repository has been forked 172 times, making it hard to contain the spread of the source code. The license check for the program has been commented out, which essentially cracks the program for anyone who decides to compile it. Advanced Intel’s Vitali Kremez said he believes the Java code was manually decompiled and removed the license check, so that it could be compiled.
Source: https://www.bleepingcomputer.com/news/security/alleged-source-code-of-cobalt-strike-toolkit-shared-online/