* adding new rule 'AWS IAM Create User via Assumed Role on EC2 Instance'
* adding false-positive note
* changed file name
* added event.provider
* tuned 'AWS EC2 Instance Interaction with IAM Service' to be BBR
* updated query
* added BBR tag
* moved rule to BBR
* fixed BBR query
* moved rule to BBR
* [New BBR] Access Control List Modification via setfacl
* added reference
* Update rules_building_block/defense_evasion_acl_modification_via_setfacl.toml
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
---------
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
* [New BBR] AWS RDS DB Snapshot Created
...
* Squashed commit of the following:
commit 6746a421c4
Author: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Date: Tue Jun 25 16:14:28 2024 +0200
[New Rules] Yum Plugin Creation / Discovery (#3820)
* [New Rules] Yum Plugin Creation / Discovery
* Update discovery_yum_plugin_detection.toml
* Update and rename discovery_yum_plugin_detection.toml to discovery_yum_dnf_plugin_detection.toml
commit 632e169f7a
Author: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Date: Tue Jun 25 09:35:36 2024 -0400
[Hunt Tuning] Add Descriptions, Collapse Queries and Re-Generate Docs (#3791)
* add description to hunting schema; change queries to be a list
* update createremotethreat by process hunt
* update dll hijack and masquerading as MSFT library
* remove sysmon specific dDLL hijack via masquerading MSFT library
* updated Masquerading Attempts as Native Windows Binaries
* updates Rare DLL Side-Loading by Occurrence
* updates Rare LSASS Process Access Attempts
* update DNS Queries via LOLBins with Low Occurence Frequency
* updated Low Occurrence of Drivers Loaded on Unique Hosts
* updates Excessive RDP Network Activity by Host and User
* updates Excessive SMB Network Activity by Process ID
* updated Executable File Creation by an Unusual Microsoft Binary
* Frequency of Process Execution and Network Logon by Source Address
* updates Frequency of Process Execution and Network Logon by Source Address
* updated Execution via Remote Services by Client Address
* updated Startup Execution with Low Occurrence Frequency by Unique Host
* updated Low Frequency of Process Execution via WMI by Unique Agent
* updated Low Frequency of Process Execution via Windows Scheduled Task by Unique Agent
* updated Low Occurence of Process Execution via Windows Services with Unique Agent
* Updated High Count of Network Connection Over Extended Period by Process
* update Libraries Loaded by svchost with Low Occurrence Frequency
* updated Microsoft Office Child Processes with Low Occurrence Frequency by Unique Agent
* updated Network Discovery via Sensitive Ports by Unusual Process
* updated PE File Transfer via SMB_Admin Shares by Agent or User
* updated Persistence via Run Key with Low Occurrence Frequency
* updates Persistence via Startup with Low Occurrence Frequency by Unique Host
* updates "Persistence via Run Key with Low Occurrence Frequency"; adjusted file names to remove data source
* updates "Low Occurrence of Suspicious Launch Agent or Launch Daemon"
* updates "Egress Network Connections with Total Bytes Greater than Threshold"
* updates "Rundll32 Execution Aggregated by Command Line"
* updates "Scheduled tasks Creation by Action via Registry"
* updates "Scheduled Tasks Creation for Unique Hosts by Task Command"
* updates "Suspicious Base64 Encoded Powershell Command"
* updates "Suspicious DNS TXT Record Lookups by Process"
* updates "Unique Windows Services Creation by Service File Name"
* Updates "Unique Windows Services Creation by Service File Name"
* updates "Windows Command and Scripting Interpreter from Unusual Parent Process"
* updates "Windows Logon Activity by Source IP"
* updates "Suspicious Network Connections by Unsigned Mach-O"
* updates LLM hunting queries
* re-generated markdown files; updated generate markdown py file
* updated test_hunt_data
* Update hunting/macos/queries/suspicious_network_connections_by_unsigned_macho.toml
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
* Update hunting/windows/queries/drivers_load_with_low_occurrence_frequency.toml
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
* Update hunting/windows/queries/domain_names_queried_via_lolbins_and_with_low_occurence_frequency.toml
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
* Update hunting/windows/queries/excessive_rdp_network_activity_by_source_host_and_user.toml
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
* Update hunting/windows/queries/excessive_rdp_network_activity_by_source_host_and_user.toml
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
* updated missing integrations
* updated MD docs according to recent hunting changes
* Update hunting/windows/queries/executable_file_creation_by_an_unusual_microsoft_binary.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
* Update hunting/windows/queries/detect_rare_dll_sideload_by_occurrence.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
* Update hunting/windows/queries/detect_masquerading_attempts_as_native_windows_binaries.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
* Update hunting/windows/queries/detect_dll_hijack_via_masquerading_as_microsoft_native_libraries.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
* Update hunting/llm/queries/aws_bedrock_dos_resource_exhaustion_detection.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
* added enrichment policy link to rule
* Update hunting/windows/docs/execution_via_windows_management_instrumentation_by_occurrence_frequency_by_unique_agent.md
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
* Update hunting/windows/docs/windows_command_and_scripting_interpreter_from_unusual_parent.md
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
* Update hunting/windows/docs/windows_command_and_scripting_interpreter_from_unusual_parent.md
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
* Update hunting/windows/docs/rundll32_execution_aggregated_by_cmdline.md
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
* Update hunting/windows/docs/microsoft_office_child_processes_with_low_occurrence_frequency.md
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
* Update hunting/windows/docs/microsoft_office_child_processes_with_low_occurrence_frequency.md
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
* Update hunting/windows/queries/execution_via_windows_management_instrumentation_by_occurrence_frequency_by_unique_agent.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
* Update hunting/windows/queries/execution_via_windows_management_instrumentation_by_occurrence_frequency_by_unique_agent.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
* Update hunting/index.md
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
* Update hunting/windows/docs/execution_via_network_logon_by_occurrence_frequency_by_top_source_ip.md
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
* Update hunting/windows/queries/execution_via_network_logon_by_occurrence_frequency_by_top_source_ip.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
---------
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
commit 6f43d1f535
Author: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Date: Tue Jun 25 17:58:37 2024 +0530
Lock versions for releases: 8.9,8.10,8.11,8.12,8.13,8.14 (#3821)
commit 0726ce41bf
Author: James Valente <65730960+jvalente-salemstate@users.noreply.github.com>
Date: Tue Jun 25 07:22:07 2024 -0400
Tune rule to exclude forwarded events. (#3790)
Events containing "forwarded" as a tag may include host information
that is not related to the host running elastic agent. This triggers
false positive alerts. Examples include Entity Analytics integrations,
Palo Alto GlobalProtect activity, and M365 Defender device events.
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
commit 2708a89f20
Author: Isai <59296946+imays11@users.noreply.github.com>
Date: Tue Jun 25 00:11:48 2024 -0400
[New Rule] AWS IAM User Created Access Keys for Another User (#3788)
* [New Rule] AWS IAM User Created Access Keys for Another User
...
* updated min_stack and removed index field
* reversed tactic order
* added AWS documentation as reference
* Apply suggestions from code review
updated_date, query format change, removed keep from query
commit da8f3e4880
Author: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Date: Fri Jun 21 13:11:23 2024 -0400
[New Rule] Okta Credential Stuffing and Password Spraying Identification via Source, Device Token and Actor (#3797)
* adding new rule 'Multiple Okta User Authentication Events with Same Device Token Hash'
* adding new rule 'Multiple Okta User Authentication Events with Client Address'
* updating UUIDs
* removed indexes
* adding new rule 'High Number of Okta Device Token Cookies Generated for Authentication'
* added okta outcome reason 'INVALID_CREDENTIALS' to queries
* updated risk score
* made all rules low risk score
* added user session start to rule
* updated min-stack comments
commit a131e021ed
Author: Mika Ayenson <Mika.ayenson@elastic.co>
Date: Fri Jun 21 11:05:57 2024 -0500
Revert "Test case to check updated_date (#3764)"
This reverts commit 7621a54fcc.
commit 7621a54fcc
Author: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>
Date: Fri Jun 21 18:43:32 2024 +0530
Test case to check updated_date (#3764)
commit 675cad2ed4
Author: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>
Date: Fri Jun 21 18:29:39 2024 +0530
Incorrect Integration Index Check (#3794)
* fix technique id
* new rule 'AWS Lambda Function Created or Updated'
* added bbr fields
* updated severity
* Update rules_building_block/execution_aws_lambda_function_updated.toml
shashank-elastic