$ cat writeup.md…
$ cat writeup.md…
bug-makers
Task: a WIM archive with 1000 decoy base64 flag files, one real flag hidden. Solution: spotted an NTFS Alternate Data Stream in the 7z summary, used wimlib-imagex to locate the named 'hidden' stream on flag_404.txt, carved its 47 bytes with dd, and base64-decoded the flag.
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$sign in$ grep --similar