Log content for security daily job

1. https://plaso.readthedocs.io/en/latest/

Server and workstation operating system logs
• Application logs (e.g.,web server,database server)
• Security tool logs (e.g., anti-virus, change detection, intrusion detection/prevention system)
• Outbound proxy logs and end-user application logs
• Remember to consider other, non-log sources for security events.

User logon/logo! events Successful logon 528, 540;
failed logon 529-537, 539; logo! 538, 551, etc
User account changes Created 624; enabled 626;
changed 642; disabled 629; deleted 630
Password changes To self: 628; to others: 627
Service started or stopped 7035, 7036, etc.
Object access denied 560, 567, etc
(if auditing enabled)

Successful user login “Accepted password”, “Accepted publickey”, “session opened”
Failed user login “authentication failure”, “failed password”
User log-off “session closed”
User account change “password changed”, “new user”, “delete user” or deletion
Sudo actions “sudo: … COMMAND=…” “FAILED su”
Service failure “failed” or “failure”

refrence: https://www.sans.org/brochure/course/log-management-in-depth/6

postfix limit client send rate

smtpd_client_message_rate_limit = 2
anvil_rate_time_unit = 60s

The above settings will allow a given user to send a maximum of two messages per minute. Note that the anvil_rate_time_unit setting is also used to control other timeouts.

windows 10 1909 security update kb number

https://www.catalog.update.microsoft.com/Search.aspx?q=Cumulative+Update+for+windows+10+Version+1909+for+x64-based+Systems

2019-11 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4524570)
2019-12 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4530684)
2020-01 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4528760)
2020-01 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4532695)
2020-02 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4532693)
2020-02 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4535996)
2020-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4540673)
2020-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4551762)
2020-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4541335)
2020-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4554364)
2020-04 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4549951)
2020-04 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4550945)
2020-05 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4556799)
2020-06 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4560960)
2020-06 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4567512)
2020-07 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4565483)
2020-08 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4565351)
2020-09 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4574727)
2020-10 Cumulative Update for Windows Server, version 1909 for x64-based Systems (KB4577671)
2020-10 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4577671)
2020-11 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4586786)
2020-11 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4594443)
2020-11 Dynamic Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4594443)
2020-12 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4592449)
2021-01 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4598229)
2021-02 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4601315)
2021-02 Dynamic Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4601315)
2021-02 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5001028)
2021-02 Dynamic Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5001028)
2021-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5000808)
2021-03 Dynamic Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5000808)
2021-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5001566)
2021-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5001648)
2021-04 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5001337)
2021-04 Dynamic Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5001337)
2021-05 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5003169)
2021-05 Dynamic Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5003169)
2021-06 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5003635)

disk encryption for linux

cryptsetup -s 512 -y luksFormat /dev/sda2
cryptsetup luksOpen /dev/sda2 slackcrypt


umount /mnt service udev stop lvchange -a n <LV-name> cryptsetup luksClose <LUKS-devicename> service udev start

RHEL5/6/7 final version and kernel

Red Hat Enterprise Linux 5

Release General Availability Date redhat-release Errata Date* Kernel Version
RHEL 5.11 2014-09-16 2014-09-16 RHEA-2014-1238 2.6.18-398

Red Hat Enterprise Linux 6

Release General Availability Date redhat-release Errata Date* Kernel Version
RHEL 6.10 2018-06-19 2018-06-19 RHBA-2018:1856 2.6.32-754

Red Hat Enterprise Linux 7

Release General Availability Date redhat-release Errata Date* Kernel Version
RHEL 7.9 2020-09-29 2020-09-29 RHBA-2020:3849 3.10.0-1160

Note: https://access.redhat.com/articles/3078