AIDE系统入侵检测工具安装和使用

yum install -y aide

cat /etc/aide.conf | grep hosts

/etc/hosts$ CONTENT_EX
/etc/hosts.allow$ CONTENT_EX
/etc/hosts.deny$ CONTENT_EX

初始化数据库
aide -i
AIDE, version 0.15.1

AIDE database at /var/lib/aide/aide.db.new.gz initialized.

检查配置数据库

aide –check

[root@VM-20-13-centos etc]# aide –check
Couldn’t open file /var/lib/aide/aide.db.gz for reading(这里会报错,它去找这个文件去了)
mv /var/lib/aide/aide.db.new.gz /var/lib/aide/aide.db.gz
再aide –check
其实还是报错的
Couldn’t open file /var/lib/aide/aide.db.gz for reading
所以这里创建软链接
ln -s /var/lib/aide/aide.db.new.gz /var/lib/aide/aide.db.gz

AIDE 0.15.1 found differences between database and filesystem!!
Start timestamp: 2024-04-26 20:53:31

Summary:
Total number of files: 92103
Added files: 0
Removed files: 0
Changed files: 10


Changed files:

changed: /usr/local/qcloud/YunJing/cache/cron_file.db
changed: /usr/local/qcloud/YunJing/cache/image_block_rules.db
changed: /usr/local/qcloud/YunJing/log/hids.log
changed: /usr/local/qcloud/YunJing/log/ydlive.log
changed: /usr/local/qcloud/YunJing/log/ydservice.20240426.log
changed: /usr/local/qcloud/monitor/barad/log/20240426_record.db
changed: /usr/local/qcloud/monitor/barad/log/dispatcher.log
changed: /usr/local/qcloud/monitor/barad/log/executor.log
changed: /usr/local/qcloud/stargate/logs/stargate.log
changed: /usr/local/qcloud/tat_agent/log/tat_agent.log


Detailed information about changes:

内容如下:
File: /usr/local/qcloud/YunJing/cache/cron_file.db
SHA256 : BU9wG/z7+X8KnPn/3rSF3GXWnI4F8Y2x , rJb9oB3MVg23poqZdsK64D6V/ebuq+U1

File: /usr/local/qcloud/YunJing/cache/image_block_rules.db
SHA256 : EqI2k3fGMYnErE8ACtqn1hWbhQuqH0lW , quSGcBxxiWs/rFrSgIhQDc5VaIxRRtvR

File: /usr/local/qcloud/YunJing/log/hids.log
SHA256 : +ebgwk3id4ZuQw3T6eGT0igIoc7utKJF , 7uhaZxP3OO6QdlIqPb4pqxf4AV77DiSP

File: /usr/local/qcloud/YunJing/log/ydlive.log
SHA256 : G5JscdTIu1LIH+JZUuDHL14YukPZFwHq , 5jqQZYB08Vwdakr275/40OaEE0id2FLi

File: /usr/local/qcloud/YunJing/log/ydservice.20240426.log
SHA256 : 4ghd0sAaVXG0+SzFVryUDe88lfPUYwDE , cfH5m0FaSIBrmJCDuyLeON3TTgQFP11/

File: /usr/local/qcloud/monitor/barad/log/20240426_record.db
SHA256 : uNnbi8WXt5gTSB+QrUNm2V3MiP1FfiCP , 9UG5IQVZyvUrvsVaH4p/ECjCUXzPQSLP

File: /usr/local/qcloud/monitor/barad/log/dispatcher.log
SHA256 : LOKgjHnrel2uhNQKDHKO/yxW2vn4qx7J , pnsMroHOAOhmJ7zSmgA48FvYL1VaU8Ku

File: /usr/local/qcloud/monitor/barad/log/executor.log
SHA256 : 3O9uJ39rT4uftKJqhTShGorXMzJeUt5j , 5fo7ainXY8X8ZjoohAPBR0Cs0aYthRDL

File: /usr/local/qcloud/stargate/logs/stargate.log
SHA256 : zRQPNO/KXSnuPbKHlDYF43seSB2SpqRo , iqXS8SZj8mYsfHZjnF6/qPC8+hmpYyvP

File: /usr/local/qcloud/tat_agent/log/tat_agent.log
SHA256 : 6EXVKZdwCG5O1N4KyoRYCodsxm0jHnxs , 0sAbchFDlftvNYohVIoia0x/13IW0u8Q

系统在运行会不断的输出,多少会有点变化
cat /etc/hosts

127.0.0.1 VM-20-13-centos VM-20-13-centos
127.0.0.1 localhost.localdomain localhost
127.0.0.1 localhost4.localdomain4 localhost4

::1 VM-20-13-centos VM-20-13-centos
::1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
更新数据库实际上是先检查然后更新,即先检查文件变化,然后更新输出到新的数据库文件。
aide –update
如echo 123 >> /etc/hosts
再aide –check
这里就会显示

Changed files:

changed: /etc/hosts

File: /etc/hosts
SHA256 : 4zri6nmuXwhLFnnIa1PBat0eE6Oe2TSa , rbaKjsYzXPiHjyuAltEO+N8OtTkoIGax

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