Commit Graph

2600 Commits

Author SHA1 Message Date
github-actions[bot] 2bf4cf0b2a Lock versions for releases: 8.12,8.13,8.14,8.15,8.16,8.17 (#4453) 2025-02-07 21:41:29 +05:30
Sergey Polzunov a650b028f3 Bumping number of versions per rule to 4 in total (#4451)
* Bumping number of versions per rule to 4 in total

* Add explicit caps

* Simpler comment

* Renaming constants

* Drop to 8.17 again

* Clearer constants

* Drop if condition and extend the comment

* Shorten the lines

* Version bump

---------

Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
2025-02-07 16:28:36 +01:00
Samirbous 27e8b85840 Update execution_windows_script_from_internet.toml (#4452) 2025-02-07 14:52:56 +00:00
Mika Ayenson c7f5385711 [Rule Tuning] Decrease Interval to 1m for Endpoint Promotions (#4450) 2025-02-07 08:30:35 -06:00
Sergey Polzunov e528feb989 chore(ci): new CI action trigger for REACT testing workflow (#4435)
* React test trigger

* Delete outdated CI trigger

* Fixing a trigger event

* Dummy rule updates

* Fix workflow name

* Fix typo in curl command

* Use correct token

* Using full workflow filename with extension

* Simplified JSON in curl request

* Using a correct value for branch

* Use a correct ref for a workflow

* Fix for invalid field name in a dispatch data

* Simplify json body

* Revert "Dummy rule updates"

This reverts commit 6c18c5b8b39702cd4106c7b46b8534c76c4c9c27.
2025-02-06 19:39:49 +01:00
Ruben Groenewoud b13d6bf314 [New Hunt] Persistence via NetworkManager Dispatcher Script (#4408) 2025-02-06 09:33:42 +01:00
Jonhnathan be54140485 [Rule Tuning] SMB Connections via LOLBin or Untrusted Process (#4444) 2025-02-05 17:32:57 -03:00
Jonhnathan 0268daa17d [Rule Tuning] Tighten Up Elastic Defend Indexes - Linux (#4446) 2025-02-05 15:25:45 -03:00
Jonhnathan ab89dfb98d [Rule Tuning] Tighten Up Elastic Defend Indexes - MacOS (#4447) 2025-02-05 15:09:27 -03:00
Jonhnathan 3e0ba33749 [Rule Tuning] Remote Execution via File Shares (#4448) 2025-02-05 14:51:47 -03:00
Ruben Groenewoud 802419178c [New Hunt] Persistence via Desktop Bus (D-Bus) (#4407) 2025-02-05 16:45:17 +01:00
Ruben Groenewoud 1aea556998 [New Hunt] Persistence via PolicyKit (#4406)
* [New Hunt] Persistence via PolicyKit

* ++
2025-02-05 16:29:47 +01:00
Ruben Groenewoud 6fa8a862a2 [New Hunt] General Kernel Manipulation (#4403)
* [New Hunt] General Kernel Manipulation

* Update index.yml
2025-02-05 16:18:51 +01:00
Ruben Groenewoud 32975e5155 [Rule Tuning] Port Scan Rules (#4443) 2025-02-05 15:40:27 +01:00
Terrance DeJesus f1dee060b6 [Hunt Tuning] Fixing Sort Logic in Aviatrix Hunting Query (#4432)
* fixing sort logic error

* Update hunting/aws/queries/iam_unusual_default_aviatrix_role_activity.toml

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

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
2025-02-03 21:43:02 -05:00
github-actions[bot] 1dfb05ec1c Lock versions for releases: 8.12,8.13,8.14,8.15,8.16,8.17 (#4442) 2025-02-04 00:05:59 +05:30
shashank-elastic a866ee7f57 Fix remaining Replace master doc URLs with current (#4441) 2025-02-03 23:03:20 +05:30
shashank-elastic 818467f132 Replace master doc URLs with current (#4439) 2025-02-03 21:27:50 +05:30
Samirbous 8f73b88884 [Tuning / New] Execution of a downloaded windows script (#4434)
* [New] Execution of a downloaded windows script

using 8.15 file events with MOTW info we can focus on js/vbs/wsh/vbe/jse/hta downloaded from internet followed by execution

* Update defense_evasion_posh_assembly_load.toml

* Update execution_powershell_susp_args_via_winscript.toml

* Update guides

* Update defense_evasion_network_connection_from_windows_binary.toml

* Update execution_windows_script_from_internet.toml

* Update execution_windows_script_from_internet.toml

* Update rules/windows/execution_windows_script_from_internet.toml

* Update rules/windows/execution_powershell_susp_args_via_winscript.toml

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

* Update rules/windows/execution_windows_script_from_internet.toml

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

* Update execution_windows_script_from_internet.toml

* Create command_and_control_tool_transfer_via_curl.toml

* Update command_and_control_tool_transfer_via_curl.toml

* Update command_and_control_tool_transfer_via_curl.toml

* Update execution_windows_script_from_internet.toml

* Create defense_evasion_indirect_exec_forfiles.toml

* Update execution_windows_script_from_internet.toml

---------

Co-authored-by: Mika Ayenson <Mika.ayenson@elastic.co>
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
2025-02-03 14:33:59 +00:00
shashank-elastic aba793f3e5 Add prerelease version Integration manifests & schemas for sentinel_one_cloud_funnel (#4438) 2025-02-03 09:15:14 -05:00
shashank-elastic 350474b7b4 Refresh ECS & Beats schemas, Integration manifests & schemas (#4436) 2025-02-03 19:18:49 +05:30
Ruben Groenewoud 8d29a1f7d5 [New Rule] Process Backgrounded by Unusual Parent (#4431)
* [New Rule] Process Backgrounded by Unusual Parent

* Update execution_process_backgrounded_by_unusual_parent.toml

* Update execution_process_backgrounded_by_unusual_parent.toml
2025-02-03 14:17:15 +01:00
Ruben Groenewoud 14c648598e [Rule Tuning] Linux DR Tuning - Part 6 (#4423)
* [Rule Tuning] Linux DR Tuning - Part 6

* Update privilege_escalation_ld_preload_shared_object_modif.toml

* Update privilege_escalation_ld_preload_shared_object_modif.toml
2025-02-03 14:05:26 +01:00
Ruben Groenewoud 6b84542093 [Rule Tuning] Linux DR Tuning - Part 5 (#4422)
* [Rule Tuning] Linux DR Tuning - Part 5

* Update rules/linux/persistence_xdg_autostart_netcon.toml
2025-02-03 13:53:53 +01:00
Ruben Groenewoud 53b9b53467 [Rule Tuning] Linux DR Tuning - Part 4 (#4421)
* [Rule Tuning] Linux DR Tuning - Part 4

* [Rule Tuning] Linux DR Tuning - Part 4

* Update persistence_etc_file_creation.toml
2025-02-03 13:31:00 +01:00
Ruben Groenewoud 1c98a0d64c [Rule Tuning] Linux DR Tuning - Part 3 (#4420)
* Initial set

* [Rule Tuning] Linux DR - Part 3

* ++

* Update execution_unusual_path_invocation_from_command_line.toml

* Update execution_unusual_path_invocation_from_command_line.toml
2025-02-03 13:17:00 +01:00
Terrance DeJesus bf1caf8b5f [Rule Tuning] December-January AWS Rule Tuning (#4425)
* [Rule Tuning] AWS Monthly Rule Tunings

* Adding several more AWS tunings

* updating patch version

* updating non-ecs type to boolean

* fixed cloudtrail index
2025-01-31 10:35:18 -05:00
Ruben Groenewoud b1a8341371 [Hunt Tuning] Logon Activity by Source IP (#4428) 2025-01-31 15:44:38 +01:00
Ruben Groenewoud b642c55680 [Rule Tuning] Potential OpenSSH Backdoor Logging Activity (#4429) 2025-01-31 15:33:21 +01:00
Ruben Groenewoud 18dd9cb04a [New Rule] Suspicious Usage of bpf_probe_write_user Helper (#4426)
* [New Rule] Suspicious Usage of bpf_probe_write_user Helper

* Update persistence_bpf_probe_write_user.toml
2025-01-29 11:46:40 +01:00
Ruben Groenewoud 52d33c12b8 [Rule Tuning] Linux DR Tuning - Part 2 (#4417) 2025-01-29 10:34:13 +01:00
Terrance DeJesus 4e95bc7891 [New Hunt] Adding Hunting Query for IAM Unusual Default Aviatrix Role Activity (#4409)
* new hunt 'unusual aviatrix default role activity'

* added additional investigation notes
2025-01-28 12:09:29 -05:00
Ruben Groenewoud fed7b216d5 [Rule Tuning] Linux DR Tuning - Part 1 (#4416) 2025-01-28 14:43:00 +01:00
Ruben Groenewoud bbcf0c7c34 [New Hunt] Persistence via Initramfs (#4402)
* [New Hunt] Persistence via Initramfs

* Update index.yml
2025-01-27 10:19:44 +01:00
Ruben Groenewoud 80fe96109b [New & Tuning] Persistence via GRUB Bootloader (#4401)
* [New & Tuning] Persistence via GRUB Bootloader

* testing github version code workflow update

* testing github version code workflow re-order

---------

Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
2025-01-27 09:58:43 +01:00
Samirbous 4e6625ae40 [Tuning] Unusual Instance Metadata Service (IMDS) API Request (#4418)
* Update credential_access_unusual_instance_metadata_service_api_request.toml

* Update credential_access_unusual_instance_metadata_service_api_request.toml

* Update credential_access_unusual_instance_metadata_service_api_request.toml

* Update rules/linux/credential_access_unusual_instance_metadata_service_api_request.toml

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
2025-01-24 17:23:32 +00:00
Jonhnathan fccfafea6b [Rule Tuning] Improve Detection Compatibility with Non-English Logs (#4410)
* [Rule Tuning] Improve Detection Compatibility with Non-English Logs

* Update rules/windows/persistence_dontexpirepasswd_account.toml

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>

* Update credential_access_disable_kerberos_preauth.toml

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
2025-01-23 16:12:42 -03:00
shashank-elastic d6f1a75f11 Fix S1 minstack version (#4415) 2025-01-23 17:59:40 +05:30
Mika Ayenson 7c6c77932c [FR] Add Remaining Guides (#4412) 2025-01-22 14:43:30 -06:00
Mika Ayenson fe8c81d762 [FR] Generate investigation guides (#4358) 2025-01-22 11:17:38 -06:00
Jonhnathan d55d5d9695 [New Rule] File with Right-to-Left Override Character Created/Executed (#4396)
* [New Rule] File with Right-to-Left Override Character Created/Executed

* Update defense_evasion_right_to_left_override.toml

* Update defense_evasion_right_to_left_override.toml
2025-01-21 16:41:49 -03:00
github-actions[bot] 8093655f76 Lock versions for releases: 8.12,8.13,8.14,8.15,8.16,8.17 (#4400) 2025-01-21 19:35:57 +05:30
github-actions[bot] 9b8b917598 Update ATT&CK coverage URL(s) in docs/ATT&CK-coverage.md (#4398) 2025-01-21 17:32:14 +05:30
Ruben Groenewoud b708e09f2b [New Rule] Unusual D-Bus Daemon Child Process (#4397) 2025-01-21 12:24:06 +01:00
Terrance DeJesus fb13b89f8d [New Rule] Adding Coverage for AWS S3 Unauthenticated Bucket Access by Rare Source (#4315)
* adding new rule 'AWS S3 Unauthenticated Object Retrieval by Rare Source'

* adjusted logic to capture multiple event calls

* updated verbiage

* updated MITRE mappings

* fixing date
2025-01-20 13:36:09 -05:00
Terrance DeJesus 7be96ec64d [Rule Tuning] Add Public Snapshot Coverage Regarding AWS EC2 EBS Snapshot Shared or Made Public (#4335)
* removing detection gap for EBS snapshots that are made public

* reverted logic; added investigation note about public snapshots
2025-01-20 13:15:41 -05:00
Ruben Groenewoud cf183579b4 [New Rule] Polkit Version Discovery (#4378) 2025-01-20 15:58:27 +01:00
Ruben Groenewoud 2e6ec33141 [New Rule] Polkit Policy Creation (#4379)
* [New Rule] Polkit Policy Creation

* Update persistence_polkit_policy_creation.toml
2025-01-20 15:47:18 +01:00
Ruben Groenewoud 3e655abfef [New Rule] Unusual Pkexec Execution (#4380)
* [New Rule] Unusual Pkexec Execution

* Update execution_unusual_pkexec_execution.toml
2025-01-20 15:35:29 +01:00
Ruben Groenewoud 4294ed8981 [New Rule] NetworkManager Dispatcher Script Creation (#4381)
* [New Rule] NetworkManager Dispatcher Script Creation

* ++
2025-01-20 15:18:55 +01:00