FLARE-ON 9 Solutions:

This report is an Elastic Security Labs write-up of solutions to the FLARE-ON 9 reverse-engineering challenges, documenting analysis of 11 distinct challenge binaries (HTML/JS, PE executables, .NET DLLs, packed Node.js, etc.). For each challenge the authors describe static and dynamic analysis steps, deobfuscation and unpacking techniques, cryptographic and network behaviors, and the method used to recover the challenge flag; it is educational material rather than an incident response or active threat advisory.