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Author SHA1 Message Date
Ruben Groenewoud d7d8c414ec [New Rule] File Creation in /var/log via Suspicious Process (#4528) 
* [New Rule] File Creation in /var/log via Suspicious Process

* ++

* ++
 2025-03-12 12:50:48 +01:00
github-actions[bot] 02be7cac0a Update ATT&CK coverage URL(s) in docs-dev/ATT&CK-coverage.md (#4530) 2025-03-12 12:49:43 +05:30
Terrance DeJesus 3ed820afa8 [New Rule] Adding Coverage for Azure Entra Password Spraying (Non-Interactive SFA) (#4523) 
* adding new rule 'Azure Entra Repeated Failed Sign-Ins via Non-Interactive Single-Factor Authentication'

* updating name

* added investigation guide

* updated investigation guide

* updated investigation guide

* removed unnecessary comment

* adjusted logic to count distinct on principal id; principal name will be in aggregations now

* updated Entra ID name
 2025-03-11 11:25:10 -04:00
Terrance DeJesus aacb376acf [New Rule] Adding Coverage for Azure Entra Rare App ID for Principal Authentication (#4524) 
* adding new rule 'Azure Entra Rare App ID for Principal Authentication'

* updating tactic tag

* adjusted query logic for user type

* updated Entra ID name
 2025-03-11 11:05:56 -04:00
Terrance DeJesus fd1369a164 [New Rule] Adding Coverage for Azure Entra Rare Instance of Single-Factor Authentication for User (#4525) 
* adding new rule 'Azure Entra Rare Instance of Single-Factor Authentication for User'

* linted; updated UUID

* adjusted rule name and logic to focus on any rare authentication requirements

* adjusted file name
 2025-03-11 10:51:01 -04:00
Terrance DeJesus 7c4f334a00 [New Hunt] Adding Hunting Queries for Azure Entra Sign-In Anomalies (#4527) 
* adding new hunts for Azure entra sign-in anomalies

* fixing commented query logic; added hydra user agent
 2025-03-11 10:27:08 -04:00
Eric Forte 4deb6a73b8 [FR] [DaC] Update Readme with DaC Support References (#4526) 
* Update Readme with DaC Support References

* Patch bump

* Call out DaC Pipeline support
 2025-03-10 21:24:12 -04:00
Eric Forte eadcd9d3e0 [FR] Add Env Var DR_CLI_MAX_WIDTH and DaC Docs Updates (#4518) 
* Add Env Var DR_CLI_MAX_WIDTH

* Version Bump

* Update limit from 120 to 240

* Clean references to reference main

* Update Readme with DaC Info

* Add DaC to Table of Contents

* Bump Patch Version

* Updated naming and add dac md

* Organize Imports

* Deprecate upload-rule

* Update docs/detections-as-code.md

Co-authored-by: Mika Ayenson, PhD <Mikaayenson@users.noreply.github.com>

* move docs to docs-dev

* Sort custom rules imports

* Remove duplicate

* Fix typo

* Bump Patch Version

---------

Co-authored-by: Mika Ayenson, PhD <Mikaayenson@users.noreply.github.com>
 2025-03-10 12:59:12 -04:00
Sergey Polzunov 3bdda091e1 chore: use docs-dev instead of docs dir for docs (#4522) 
* chore: use `docs-dev` instead of `docs` folder

* patch version bump

* Rollback an incorrect rename

* Use exact docs dir in the helper comment

* Revert some overeager renamings

* Moving `docs` to `docs-dev`

* Update Docs Paths

---------

Co-authored-by: eric-forte-elastic <eric.forte@elastic.co>
 2025-03-07 14:34:51 +01:00
shashank-elastic e28512a32f Deprecation Notice to Cloud Defend Rules (#4520) 
* Deprecation Notice to Cloud Defend Rules

* Udpate names in investigation guide

* Adding deprecation note under Setup field

* reverting back to setup field name

---------

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
 2025-03-07 00:20:00 -05:00
Ruben Groenewoud 561ab703de [New Rule] Uncommon Destination Port Connection by Web Server (#4515) 2025-03-06 22:01:33 +05:30
Ruben Groenewoud 9fb7b57a47 [New Rule] Unusual File Creation from Web Server Parent (#4514) 
* [New Rule] Unusual File Creation from Web Server Parent

* Update rules/linux/persistence_web_server_sus_file_creation.toml

* Move to BBR
 2025-03-06 17:21:47 +01:00
Ruben Groenewoud fe0a9f4935 [New/Tuning] Docker Socket Enumeration (#4510) 
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2025-03-06 17:07:10 +01:00
Ruben Groenewoud 8dfa5da3bf [New Rules] Potential Port/Subnet Scanning Activity from Compromised Host (#4509) 
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2025-03-06 16:57:33 +01:00
Ruben Groenewoud fe06843636 [New Rule] Unusual Process Spawned from Web Server Parent (#4513) 2025-03-06 16:46:12 +01:00
traut 6eed757b66 Revert "Moving docs to docs-dev" 
This reverts commit 75abb8d0b5.
 2025-03-06 16:29:37 +01:00
traut 75abb8d0b5 Moving docs to docs-dev 2025-03-06 16:27:26 +01:00
Ruben Groenewoud 7ce6aaf566 [New Rule] Unusual Command Execution from Web Server Parent (#4512) 
* [New Rule] Unusual Command Execution from Web Server Parent

* ++
 2025-03-06 16:25:38 +01:00
Kirti Sodhi a1d6ff4a50 Added ML detection-rules for new Security Host package (#4519) 
Co-authored-by: Shashank K S <Shashank.Suryanarayana@elastic.co>
Co-authored-by: Susan <23287722+susan-shu-c@users.noreply.github.com>
 2025-03-06 19:53:29 +05:30
Sergey Polzunov 081bd03618 fix(ci): use negative patterns in paths instead of paths-ignore (#4521) 2025-03-06 13:57:41 +01:00
Sergey Polzunov 8854b3bea0 Ignore changes in rules/integrations except endpoint, and in _deprecated (#4498) 2025-03-05 12:49:46 +01:00
Sergey Polzunov 5f54eb8006 chore: Removing RTAs (#4437) 
* Delete RTAs

* Delete RTA-related orchestration code

* Drop RTAs from tests

* Remove RTAs from README

* Further cleanup

* Readme update

* Version bump and no more RTAs

* Styling fixes

* Drop RTAs from config files

* Drop `rule-mapping.yaml`

* Bring back event collector / normalizer

* Drop rta mention

* Cleanup rta leftovers

* Style fix

---------

Co-authored-by: Mika Ayenson, PhD <Mikaayenson@users.noreply.github.com>
 2025-03-05 12:35:57 +01:00
Mika Ayenson, PhD 49c361dd98 [New Rules] Azure OpenAI (#3701) 
Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>
Co-authored-by: Shashank K S <Shashank.Suryanarayana@elastic.co>
 2025-03-04 22:59:38 +05:30
Samirbous b1470a480b [New] WDAC Policy File by an Unusual Process (#4504) 
* [New] WDAC Policy File by an Unusual Process

https://github.com/logangoins/Krueger/tree/main

* Update defense_evasion_wdac_policy_by_unusual_process.toml

* Update rules/windows/defense_evasion_wdac_policy_by_unusual_process.toml

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

* Update defense_evasion_wdac_policy_by_unusual_process.toml

* Update defense_evasion_wdac_policy_by_unusual_process.toml

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2025-03-04 15:21:58 +00:00
shashank-elastic 467034ee5b Deprecate an APM BBR rule (#4511) 2025-03-04 17:39:45 +05:30
Ruben Groenewoud b9e8115c2f [New Rule] Python Site or User Customize File Creation (#4500) 
* [New Rule] Python Site or User Customize File Creation

* Update persistence_site_and_user_customize_file_creation.toml

* Update persistence_site_and_user_customize_file_creation.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2025-03-03 15:30:33 +01:00
Ruben Groenewoud d948279af6 [New Rule] Python Path File (pth) Creation (#4499) 
* [New Rule] Python Path File (pth) Creation

* ++

* Update persistence_pth_file_creation.toml

* Update persistence_pth_file_creation.toml

* Update persistence_pth_file_creation.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2025-03-03 15:20:00 +01:00
Ruben Groenewoud f70eafb8e7 [New Rule] Successful SSH Authentication from Unusual User (#4481) 
* [New Rule] Succesful SSH Authentication from Unusual User

* Rename initial_access_first_time_public_key_authentication.toml to initial_access_successful_ssh_authentication_by_unusual_user.toml

* Update rules/linux/initial_access_successful_ssh_authentication_by_unusual_user.toml

* Update initial_access_successful_ssh_authentication_by_unusual_user.toml

* Update rules/linux/initial_access_successful_ssh_authentication_by_unusual_user.toml

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2025-03-03 11:55:27 +01:00
Jonhnathan 5653190d08 [Rule Tuning] Remove hardcoded logic from description (#4503) 2025-02-28 14:38:18 -03:00
Ruben Groenewoud 06002cd9ac [New Rule] Kill Command Execution (#4485) 
* [New Rule] Kill Command Execution

* Update defense_evasion_kill_command_executed.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2025-02-28 11:26:50 +01:00
Ruben Groenewoud 9bb3b9f204 [New Rule] Unusual File Transfer Utility Launched (#4487) 
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2025-02-28 11:15:21 +01:00
Ruben Groenewoud 029fd45bb1 [New Rule] Base64 Decoded Payload Piped to Interpreter (#4488) 
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2025-02-28 11:01:52 +01:00
Ruben Groenewoud a2a120858f [New Rule] Unusual Base64 Encoding/Decoding Activity (#4486) 
* [New Rule] Unusual Base64 Encoding/Decoding Activity

* Update defense_evasion_base64_decoding_activity.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2025-02-28 10:09:48 +01:00
Ruben Groenewoud 8c250db3c3 [New Rule] Successful SSH Authentication from Unusual IP-Address (#4482) 
* [New Rule] Successful SSH Authentication from Unusual IP-Address

* Apply suggestions from code review

* Update rules/linux/initial_access_successful_ssh_authentication_by_unusual_ip.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2025-02-28 09:55:35 +01:00
Ruben Groenewoud 89f79c6e4f [New Rule] Successful SSH Authentication from Unusual SSH Public Key (#4478) 
* [New Rule] First Time Public Key Authentication

* Update initial_access_first_time_public_key_authentication.toml

* Update initial_access_first_time_public_key_authentication.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2025-02-28 09:44:51 +01:00
Ruben Groenewoud fe48309daf [New Rule] Linux User Account Credential Modification (#4484) 
* [New Rule] Linux User Account Credential Modification

* Update rules/linux/persistence_user_credential_modification_via_echo.toml

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2025-02-27 16:42:11 +01:00
Ruben Groenewoud 342e18075b [New Rule] SSH Authorized Keys File Deletion (#4483) 
* [New Rule] Authorized Keys File Deletion

* Apply suggestions from code review

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2025-02-27 16:29:51 +01:00
Samirbous 46c4a80015 [Tuning] Remote File Copy to a Hidden Share (#4494) 
* Update lateral_movement_remote_file_copy_hidden_share.toml

* Update lateral_movement_remote_file_copy_hidden_share.toml

* Update lateral_movement_remote_file_copy_hidden_share.toml

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2025-02-27 11:50:02 -03:00
Samirbous 7b15acf9dd Update defense_evasion_amsi_bypass_powershell.toml (#4477) 
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2025-02-27 11:36:15 -03:00
Jonhnathan 0340335cf4 [Rule Tuning] Sysmon rules that uses event.action (#4496) 
* [Rule Tuning] Sysmon rules that uses `event.action`

* Adjust queries

* Fix unit test :thinking-hard:
 2025-02-27 11:24:42 -03:00
Ruben Groenewoud a614da5900 [New Rule] Remote File Creation in World Writeable Directory (#4475) 
* [New Rule] Remote File Creation in World Writeable Directory

* Update rules/linux/lateral_movement_remote_file_creation_world_writeable_dir.toml

* Update lateral_movement_remote_file_creation_world_writeable_dir.toml

* Update rules/linux/lateral_movement_remote_file_creation_world_writeable_dir.toml
 2025-02-26 10:11:55 +01:00
Ruben Groenewoud 59473f09ac [New Rule] Potential Malware-Driven SSH Brute Force Attempt (#4474) 
* [New Rule] Potential Malware-Driven SSH Brute Force Attempt

* Update impact_potential_bruteforce_malware_infection.toml

* Update rules/linux/impact_potential_bruteforce_malware_infection.toml

* Update impact_potential_bruteforce_malware_infection.toml
 2025-02-26 10:00:31 +01:00
Ruben Groenewoud 758e155231 [New Rule] High Number of Egress Network Connections from Unusual Executable (#4473) 
* [New Rule] High Number of Egress Network Connections from Unusual Executable

* Update command_and_control_frequent_egress_netcon_from_sus_executable.toml

* Update rules/linux/command_and_control_frequent_egress_netcon_from_sus_executable.toml

* Update command_and_control_frequent_egress_netcon_from_sus_executable.toml

* Update command_and_control_frequent_egress_netcon_from_sus_executable.toml

---------

Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>
 2025-02-26 09:43:54 +01:00
Ruben Groenewoud 8a221325e9 [New Rule] Unusual Remote File Creation (#4476) 
* [New Rule] Unusual Remote File Creation

* Description update

* ++

* ++

* Update rules/linux/lateral_movement_unusual_remote_file_creation.toml

---------

Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>
 2025-02-26 09:30:47 +01:00
Jonhnathan 73aaad98f0 [Rule Tuning] MsBuild Making Network Connections (#4479) 
* [Rule Tuning] MsBuild Making Network Connections

* Remove Minstack

* Revert MMinstack removal

---------

Co-authored-by: Shashank K S <Shashank.Suryanarayana@elastic.co>
 2025-02-25 10:04:04 -03:00
Jonhnathan bc3e12da38 [Rule Tuning] Adapt Rules to work with Sysmon (#4480) 
* [Rule Tuning] Remove Sysmon from rules that would never trigger based on its events

* bump updated_date

* Update rules/windows/lateral_movement_incoming_wmi.toml

* Update Logic to support sysmon data

* Update command_and_control_tool_transfer_via_curl.toml
 2025-02-25 09:54:18 -03:00
Samirbous 8e3ad57672 Update defense_evasion_via_filter_manager.toml (#4493) 2025-02-25 09:29:36 +00:00
Eric Forte 4b8676c586 [Bug] [DaC] Fix Typo in CLI.md (#4491) 
* Fix Typo in CLI.md
 2025-02-24 10:15:19 -05:00
shashank-elastic 66996ac597 Fix typo in error message (#4489) 2025-02-24 20:16:43 +05:30
Terrance DeJesus 1851ab91fd new hunting queries for Azure device code (#4468) 2025-02-21 11:00:34 -05:00