forensicsmedium
Ever-broken
hackerlab
Task: recover a corrupted PNG stored as an untyped data file where both the signature and IHDR metadata are damaged. Solution: repair the magic bytes and CRC, brute-force valid image dimensions from decompressed scanlines, then OCR the restored image to read the flag.
$ ls tags/ techniques/
png_signature_repairihdr_crc_recalculationpng_dimension_bruteforceocr_extraction
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