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Forensics 50: Forensics Warmup 2
Challenge
Hmm for some reason I can’t open this PNG? Any ideas?
Solution
Turns out the file isn’t actually a png file (though gimp will open it even with
the wrong extension)
1
2
$ file flag.png
flag.png: JPEG image data, JFIF standard 1.01, resolution (DPI), density 75x75, segment length 16, baseline, precision 8, 909x190, frames 3
Flag
picoCTF{extensions_are_a_lie}