Parade_buster-final.7z ❲Windows NEWEST❳

: To solve this, a script was used to loop through all 376 files, extract a specific block of bytes (typically 0x11 bytes) from each, and concatenate them. Final Result

Concatenating these extracted bytes from all files produced a final, valid image file named , which contained the flag for the challenge. CTFtime.org / TastelessCTF 2020 / 7/12 / Writeup Parade_Buster-Final.7z

The first file contained the start of the PNG, while the last file ( part2_375.7z ) contained the . : To solve this, a script was used

The PNG file was striped and hidden in the trailing bytes of the 7z archives, just before the footer. : To solve this