使用 auditd 监控目录变化

使用 auditd 针对 /data/logs 进行监控

# auditctl -w /data/logs -p wxa -k watchdata

• -w
  

  监控目录

• -p
  

  r=read, w=write, x=execute, a=attribute

• -k
  

  名称

查看 auditd 任务

 # auditctl -l
-w /data/logs -p wxa -k watchdata

测试

 # date && echo test > /data/logs/w.log
Tue May 26 17:43:20 CST 2020
 # 
 # stat /data/logs/w.log
  File: ‘/data/logs/w.log’
  Size: 5           Blocks: 8          IO Block: 4096   regular file
Device: fd00h/64768d    Inode: 936663      Links: 1
Access: (0644/-rw-r--r--)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2020-05-26 17:42:22.091560497 +0800
Modify: 2020-05-26 17:43:20.542095768 +0800
Change: 2020-05-26 17:43:20.542095768 +0800
 Birth: -

查看

 # ausearch -k watchdata

time->Tue May 26 17:43:20 2020
type=PROCTITLE msg=audit(1590486200.542:1483346): proctitle="-bash"
type=PATH msg=audit(1590486200.542:1483346): item=1 name="/data/logs/w.log" inode=936663 dev=fd:00 mode=0100644 ouid=0 ogid=0 rdev=00:00 objtype=NORMAL cap_fp=0000000000000000 cap_fi=0000000000000000 cap_fe=0 cap_fver=0
type=PATH msg=audit(1590486200.542:1483346): item=0 name="/data/logs/" inode=920223 dev=fd:00 mode=040755 ouid=0 ogid=0 rdev=00:00 objtype=PARENT cap_fp=0000000000000000 cap_fi=0000000000000000 cap_fe=0 cap_fver=0
type=CWD msg=audit(1590486200.542:1483346):  cwd="/root"
type=SYSCALL msg=audit(1590486200.542:1483346): arch=c000003e syscall=2 success=yes exit=3 a0=20fd8e0 a1=241 a2=1b6 a3=0 items=2 ppid=4726 pid=4727 auid=1009 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts1 ses=211247 comm="bash" exe="/usr/bin/bash" key="watchdata"

删除任务

 # auditctl -D -k watchdata

linux 的 audit 服务
使用 auditd 监控目录变化

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