Commit Graph

12 Commits

Author SHA1 Message Date
Mika Ayenson, PhD 8993d1450b [Rule Tuning] Add Supplemental Mitre Mappings (#5876)
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Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
Co-authored-by: eric-forte-elastic <eric.forte@elastic.co>
2026-04-01 09:12:42 -05:00
Ruben Groenewoud 1c1632e0b9 [Rule Tuning] Linux DR Tuning - 3 (#5483)
* [Rule Tuning] Linux DR Tuning - 3

* Update rules/linux/credential_access_aws_creds_search_inside_container.toml

* Adjust thresholds and expand event action handling

* Update credential_access_potential_linux_ssh_bruteforce_external.toml

* Increase threshold for SSH brute force detection

* Update credential_access_potential_linux_ssh_bruteforce_internal.toml

* Update credential_access_ssh_backdoor_log.toml

Removed 'auditbeat-*' from the index list.

* Refactor credential access rule for clarity

Removed redundant event.action expansion and filtering logic.

* Refactor ESQL query for SSH brute force detection

Refactor ESQL query to improve readability and maintainability by moving the event.action expansion and filtering logic.

* Update credential_access_potential_linux_ssh_bruteforce_internal.toml

* Update credential_access_potential_successful_linux_ftp_bruteforce.toml

* Update credential_access_potential_successful_linux_rdp_bruteforce.toml

* Update credential_access_potential_linux_ssh_bruteforce_internal.toml

* Add time window truncation to bruteforce rule

* Add time window truncation to SSH brute force rule

* Update credential_access_potential_linux_ssh_bruteforce_internal.toml

* Update SSH brute force detection rule to EQL

* Update CIDR match conditions for SSH brute force rule

* Update EQL query for SSH brute force detection
2026-01-08 13:32:43 +01:00
shashank-elastic 059d7efa25 Prep for Release 9.0 (#4550) 2025-03-20 20:32:07 +05:30
Jonhnathan 0268daa17d [Rule Tuning] Tighten Up Elastic Defend Indexes - Linux (#4446) 2025-02-05 15:25:45 -03:00
Mika Ayenson fe8c81d762 [FR] Generate investigation guides (#4358) 2025-01-22 11:17:38 -06:00
Jonhnathan cc889e3bf2 [Rule Tuning] Linux 3rd Party EDR Support - Crowdstrike and S1 - 4 (#4345)
* [Rule Tuning] Linux 3rd Party EDR Support - Crowdstrike and S1 - 4

* Apply suggestions from code review

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

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Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
2025-01-09 10:59:32 -03:00
shashank-elastic 63e91c2f12 Back-porting Version Trimming (#3704) 2024-05-23 00:45:10 +05:30
Mika Ayenson 2c3dbfc039 Revert "Back-porting Version Trimming (#3681)"
This reverts commit 71d2c59b5c.
2024-05-22 13:51:46 -05:00
shashank-elastic 71d2c59b5c Back-porting Version Trimming (#3681) 2024-05-23 00:11:50 +05:30
Ruben Groenewoud 9f8638a004 [Tuning] event.action and event.type change (#3495)
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
2024-03-13 10:11:21 +01:00
Jonhnathan 458e67918a [Security Content] Small tweaks on the setup guides (#3308)
* [Security Content] Small tweaks on the setup guides

* Additional Fixes

* Avoid touching deprecated rules
2024-03-11 09:09:40 -03:00
Ruben Groenewoud 5a80423003 [BBR Promotion] Linux BBR --> DR Promotion (#3472)
* [BBR Promotion] Linux BBR --> DR Promotion

* [BBR Promotion] Linux BBR --> DR Promotion

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Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
2024-03-06 10:49:42 -03:00