Subject address: https://buuoj.cn/challenges#LSB
The topic reminder is:LSB
Use stegsolve
open, Red plane 0
, Grenn plane 0
, Blue plane0
above the path found something good pictures
Analyse->Data Extract
Adjust to the following, find that this is a picture, Save Bin
save it as flag.png
`
cumtctf{
1sb_i4_s0_Ea4y}