停留在 png 中的基本图像隐写术（关于做什么的更多建议）

Question

seems like theres something hidden in this image that i cant find. enter image description here There should be a flag in there in the format GMC{} I've tried photoshop, zsteg, steghide but still no luck

Answer 1

try looking at its exif data maybe you can find something there. There is a tool called exiftool that can be used to look exif data in a png file.