下载附件,解压,打开,发现数字最大是7,猜测8进制,转十进制,转ASCII

QQ截图20200111210256.png
QQ截图20200111210256.png

QQ截图20200111211316.png
QQ截图20200111211316.png

Base64解密
QQ截图20200111211426.png
QQ截图20200111211426.png