$ pngcheck -v QfUhZZXf Output (truncated for brevity):
Run binwalk and strings for deeper insight: https- ranoz.gg file QfUhZZXf
$ 7z l secret_payload ... 0 0 0 0 0 -rw-r--r-- 0 0 secret.txt Extract: $ pngcheck -v QfUhZZXf Output (truncated for brevity):
$ exiftool -iTXt:secret QfUhZZXf > secret_compressed.bin $ file secret_compressed.bin secret_compressed.bin: zlib compressed data 640 x 480
$ zcat secret_compressed.bin > secret_payload secret_payload is a ( .7z ).
$ binwalk QfUhZZXf 0 0x0 PNG image, 640 x 480, 8-bit/color RGBA, non-interlaced A PNG header at offset 0! Let’s verify: