图片隐写

lsb

题目地址
categories:
- ctf

图片隐写

lsb

题目地址

SSAINISHPBOB

复杂的QR_code

题目地址

http://ctf5.shiyanbar.com/stega/QR_code.png

binwalk -e QR_code.png
fcrackzip -b -l 4-4 -u 4number.txt.zip -v -c 1
unzip 4number.txt.zip

-b爆破，-l说明密码长度，-u是文件，-v是详细输出，-c是密码字典类型

FIVE1

binwalk 1111110000000000.jpg

1
2
3

DECIMAL   	HEX       	DESCRIPTION
7395      	0x1CE3    	Zip archive data, at least v2.0 to extract, compressed size: 32506, uncompressed size: 45602, name: "hacker.jpeg"  
40073     	0x9C89    	End of Zip archive

fcrackzip -b -u -l 1-5 hacker.jpeg.zip

cat hacker.jpeg

echo "LS0uLi4gIC4tICAuLi4uLiAgLS0uLi4gIC4tICAuLi4uLiAgLi0gIC0tLi4uICAuLi4uLSAgLi4uLS0gIC0tLS4uICAtLS0tLiAgLi4uLi0gIC4tICAtLS0tLSAgLiAg" >1.txt

cat 1.txt | base64 -d