文件隐写术
Exiftool
Hexdump
BinWalk
┌──(jtz㉿JTZ)-[~/Desktop/Temp/T] # 查看是否存在嵌入的其他文件
└─$ binwalk meme.jpg
DECIMAL HEXADECIMAL DESCRIPTION
--------------------------------------------------------------------------------
0 0x0 JPEG image data, JFIF standard 1.01
30 0x1E TIFF image data, big-endian, offset of first image directory: 8
74407 0x122A7 RAR archive data, version 5.x
74478 0x122EE PNG image, 147 x 37, 8-bit/color RGBA, non-interlaced
74629 0x12385 Zlib compressed data, default compression
┌──(jtz㉿JTZ)-[~/Desktop/Temp/T] # 提取到 _meme.jpg.extracted 文件中
└─$ binwalk meme.jpg -e
DECIMAL HEXADECIMAL DESCRIPTION
--------------------------------------------------------------------------------
0 0x0 JPEG image data, JFIF standard 1.01
30 0x1E TIFF image data, big-endian, offset of first image directory: 8
74407 0x122A7 RAR archive data, version 5.x
74478 0x122EE PNG image, 147 x 37, 8-bit/color RGBA, non-interlaced
74629 0x12385 Zlib compressed data, default compression
┌──(jtz㉿JTZ)-[~/Desktop/Temp/T]
└─$ ls
meme.jpg _meme.jpg.extractedStrings
Steghide
LSB 隐藏痕迹


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