lynis 是一款运行在 Unix/Linux 平台上的基于主机的、开源的安全审计软件。

安装lynis

在 archlinux 上可以直接通过 pacman 来安装

sudo pacman -S lynis --noconfirm

resolving dependencies...
looking for conflicting packages...

Packages (1) lynis-2.6.4-1

Total Installed Size:  1.35 MiB
Net Upgrade Size:      0.00 MiB

:: Proceed with installation? [Y/n] 
(0/1) checking keys in keyring                     [----------------------]   0%
(1/1) checking keys in keyring                     [######################] 100%
(0/1) checking package integrity                   [----------------------]   0%
(1/1) checking package integrity                   [######################] 100%
(0/1) loading package files                        [----------------------]   0%
(1/1) loading package files                        [######################] 100%
(0/1) checking for file conflicts                  [----------------------]   0%
(1/1) checking for file conflicts                  [######################] 100%
(0/1) checking available disk space                [----------------------]   0%
(1/1) checking available disk space                [######################] 100%
:: Processing package changes...
(1/1) reinstalling lynis                           [----------------------]   0%
(1/1) reinstalling lynis                           [######################] 100%
:: Running post-transaction hooks...
(1/2) Reloading system manager configuration...
(2/2) Arming ConditionNeedsUpdate...

使用lynis进行主机扫描

首先让我们不带任何参数运行 lynis, 这会列出 lynis 支持的那些参数

[lujun9972@T520 linux和它的小伙伴]$ lynis

[ Lynis 2.6.4 ]

################################################################################
  Lynis comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
  welcome to redistribute it under the terms of the GNU General Public License.
  See the LICENSE file for details about using this software.

  2007-2018, CISOfy - https://cisofy.com/lynis/
  Enterprise support available (compliance, plugins, interface and tools)
################################################################################


[+] Initializing program
------------------------------------


  Usage: lynis command [options]


  Command:

    audit
        audit system                  : Perform local security scan
        audit system remote <host>    : Remote security scan
        audit dockerfile <file>       : Analyze Dockerfile

    show
        show                          : Show all commands
        show version                  : Show Lynis version
        show help                     : Show help

    update
        update info                   : Show update details


  Options:

    --no-log                          : Don't create a log file
    --pentest                         : Non-privileged scan (useful for pentest)
    --profile <profile>               : Scan the system with the given profile file
    --quick (-Q)                      : Quick mode, don't wait for user input

    Layout options
    --no-colors                       : Don't use colors in output
    --quiet (-q)                      : No output
    --reverse-colors                  : Optimize color display for light backgrounds

    Misc options
    --debug                           : Debug logging to screen
    --view-manpage (--man)            : View man page
    --verbose                         : Show more details on screen
    --version (-V)                    : Display version number and quit

    Enterprise options
    --plugindir <path>                : Define path of available plugins
    --upload                          : Upload data to central node

    More options available. Run '/usr/bin/lynis show options', or use the man page.

  No command provided. Exiting..

从上面可以看出，使用 lynis 进行主机扫描很简单，只需要带上参数 audit system 即可。 Lynis在审计的过程中,会进行多种类似的测试,在审计过程中会将各种测试结果、调试信息、和对系统的加固建议都被写到 stdin 。 我们可以执行下面命令来跳过检查过程,直接截取最后的扫描建议来看。

sudo lynis audit system |sed '1,/Results/d'

lynis将扫描的内容分成几大类，可以通过 show groups 参数来获取类别

lynis show groups