Thank ctf show platform title
1, stega1
Use jphswin tools, decryption, password is blank.
Notepad open the file out of the solution, to give flag
2, stega2
Use 010editor tool, modify the image width and height.
01 A0 changed to 0228
Save the image to obtain a flag.
3, stega3
360 direct compression, decompression, open flag.txt.
(360 NTFS compression can ignore steganography, Sao operation get√)
4, stega4
Open compressed, it is two pictures.
So we do not nonsense, it is not exclusive or contrast, is blind watermark.
First on watermarking script.
Get flag.
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.
Original articles is not easy, like a point and then go.