2020安恒五月赛 MISC babyweb
零宽字符隐写
https://offdev.net/demos/zwsp-steg-js?tdsourcetag=s_pctim_aiomsg
解开f14g.png,发现打开时出错,用HxD,在开头发现DNEI,将f14g.png逆序
with open('f14g.png','rb') as f:
with open('flag.png','wb') as t:
t.write(f.read()[::-1])
Google识图,依次解密: