CTFshow stega1-stega4

Thank ctf show platform title

1, stega1

Use jphswin tools, decryption, password is blank.

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Notepad open the file out of the solution, to give flag
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2, stega2

Use 010editor tool, modify the image width and height.

01 A0 changed to 0228

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Save the image to obtain a flag.
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3, stega3

360 direct compression, decompression, open flag.txt.
(360 NTFS compression can ignore steganography, Sao operation get√)

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4, stega4

Open compressed, it is two pictures.
So we do not nonsense, it is not exclusive or contrast, is blind watermark.
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First on watermarking script.
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Get flag.
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Conclusion:
cc chef chicken dish, will continue to write high-quality 100 CTF topic for everyone to perform advanced CTF entry and, if that article helpful to you, welcome to look at cc master.

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Origin blog.csdn.net/weixin_45940434/article/details/104380352