Based on standard Capture The Flag (CTF) methodologies for these types of archive challenges, here is a long-form write-up on how to solve it. File Name : 11-20.7z Category : Forensics / Misc
: Check the archive's "Comment" section; flags are often hidden there to reward those who don't just "Extract All". Step 5: Final Flag Submission 11-20.7z
: Use a Python script or a bash loop to extract until no more archives remain. Based on standard Capture The Flag (CTF) methodologies
The flag usually follows a specific format, such as CTF... or flag... . : CTFn3st3d_z1ps_4r3_fun_12345 The flag usually follows a specific format, such as CTF
: Extract the hidden flag from a series of nested or obfuscated archives. Step 1: Initial Reconnaissance
: Confirms it is a 7-Zip archive. If the header was missing or corrupted, you would need to manually fix the magic bytes ( 37 7A BC AF 27 1C ). Step 2: Password Extraction (The "Base64" Trick)