Commit Graph

908 Commits

Author SHA1 Message Date
Jonhnathan 14252d45ee [New Rule] Global Administrator Role Assigned (#1686)
* Initial Global Administrator Role Assigned Rules

* Apply suggestions from code review

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2022-01-27 09:53:02 -03:00
Jonhnathan 7e4325dd7a Create credential_access_mfa_push_brute_force.toml (#1682) 2022-01-27 09:37:49 -03:00
Jonhnathan 38ae64f729 [Rule Tuning] GCP Kubernetes Rolebindings Created or Patched (#1718)
* Update privilege_escalation_gcp_kubernetes_rolebindings_created_or_patched.toml

* Update rules/integrations/gcp/privilege_escalation_gcp_kubernetes_rolebindings_created_or_patched.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2022-01-27 09:31:51 -03:00
Jonhnathan 1699f50beb Update credential_access_suspicious_lsass_access_memdump.toml (#1714) 2022-01-27 09:28:16 -03:00
Jonhnathan 4ac824192f Update source.ip condition (#1712) 2022-01-27 09:24:55 -03:00
Jonhnathan 0a23d820c9 [Rule Tuning] Fix event.outcome condition on O365 failed logon related rules (#1687)
* Tune rule query

* Update credential_access_microsoft_365_potential_password_spraying_attack.toml

* Update defense_evasion_microsoft_365_exchange_malware_filter_policy_deletion.toml

* Revert "Update defense_evasion_microsoft_365_exchange_malware_filter_policy_deletion.toml"

This reverts commit 5a50aeeff6f1bb23bfeccdc6845e04eb7ccaea43.
2022-01-27 09:22:42 -03:00
Jonhnathan 50c7d5f262 [Rule Tuning] Microsoft 365 Inbox Forwarding Rule Created (#1683)
* Inbox Rule Tuning

* Add RedirectTo

* Update non-ecs-schema.json
2022-01-27 09:20:49 -03:00
Jonhnathan fdeb8cb1de [Rule Tuning] Azure Virtual Network Device Modified or Deleted (#1679)
* Update impact_virtual_network_device_modified.toml

* Change case
2022-01-27 09:15:22 -03:00
Samirbous b9edc5464e [New Rule] Potential Privilege Escalation via PKEXEC (#1727)
* [New Rule] Potential Privilege Escalation via PKEXEC

Identifies attempt to exploit a local privilege escalation in polkit pkexec (CVE-2021-4034) via unsecure environment variable injection. Successful exploitation allows an unprivileged user to escalate to the root user :

* Update privilege_escalation_pkexec_envar_hijack.toml

* removed = sign
2022-01-27 10:41:40 +01:00
Justin Ibarra 1f216d12aa Autogenerate docs for integration package releases (#1567)
* Autogenerate docs for integration package releases
* add parameter to bypass query validation in git loader
* strip space and - from normalized name
2022-01-26 21:19:03 -09:00
Justin Ibarra e26374cb40 Update base branch in integrations-pr command (#1733) 2022-01-26 20:52:24 -09:00
Justin Ibarra 30f5d62bf5 Update tests to account for non-backported deprecations (#1735)
* Update tests to account for non-backported deprecations
* remove comment spacing
2022-01-26 20:40:15 -09:00
Rick Boyd 179ebb5bdb Add pyproject.toml and setup.cfg (#1672)
* add pyproject.toml
* add setup.cfg
2022-01-26 14:13:49 -09:00
github-actions[bot] e42fee2d84 Lock versions for releases: 7.13,7.14,7.15,7.16,8.0 (#1732)
* Locked versions for releases: 7.13,7.14,7.15,7.16,8.0

Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
2022-01-26 13:54:18 -09:00
Justin Ibarra 84d55c829d Revert "[Rule Tuning] Interactive Terminal Spawned via Python - Python3 and bypasses fix (#1649)" (#1731)
This reverts commit 625d1df2bf.
2022-01-26 11:41:12 -09:00
Justin Ibarra f7d93e20d4 fix bug in yaml parsing for github workflows (#1725)
* fix bug in yaml parsing for github workflows

* fix kibana version
2022-01-25 18:56:29 -09:00
Justin Ibarra 2e78da5c9a Prepare for creation of 8.1 branch (#1700) 2022-01-25 18:11:59 -09:00
Jonhnathan b6d1c1476b [Rule Tuning] Update Google Workspace rules to remove compatibility with deprecated gsuite integration (#1706)
* Adjust queries and min_stack_version
* Update reference to the filebeat module
* adjust min_stack_version
2022-01-25 16:51:20 -09:00
Justin Ibarra 9c43151da4 [Deprecate Rule] Threat Intel Filebeat Module (v7.x) Indicator Match (#1703) 2022-01-25 16:46:49 -09:00
Justin Ibarra d753ecb8d8 Add pattern for "name" in rule schema (#1669) 2022-01-25 12:03:27 -09:00
Colson Wilhoit b564fa13fb MacOS FolderActionScripts Process List Update (#1723)
* update and expand process list

* fix query

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
2022-01-25 14:27:27 -06:00
Colson Wilhoit cfd4d431dd MacOS Launch Daemon Creation Rule - Query Fix (#1722)
* launch daemon creation syntax fix

* change updated date
2022-01-25 12:47:51 -06:00
Jonhnathan 95e3b87faf [New Rule] Startup/Logon Script added to Group Policy Object (#1607)
* "Startup/Logon Script added to Group Policy Object" Initial Rule

* Change severity

* nest non-ecs schema and move logs-system to winlogbeat

* format query and remove quotes

* Update rules/windows/privilege_escalation_group_policy_iniscript.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

* Add rule_ids and false_positives instance

Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
2022-01-20 09:11:23 -03:00
Jonhnathan 49854aaae2 [Rule Tuning] Add Investigation Guides, Config/Logging Policy to PowerShell merged rules (#1610)
* Add Investigation Guide and config to Suspicious Portable Executable Encoded in Powershell Script

* Add Investigation Guide and config to "PowerShell Suspicious Discovery Related Windows API Functions" rule

* Add Investigation Guide and Config to "PowerShell MiniDump Script" rule

* Add logging policy reference

* Add Investigation Guide/Config to "PowerShell Suspicious Script with Audio Capture Capabilities"

* Add Related Rules GUIDs

* Add Investigation Guide/config for "Potential Process Injection via PowerShell"

* Adjust Response and remediation

* Add Investigation Guide/config for "PowerShell Keylogging Script"

* bump updated_date

* Apply suggestions from Samir

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

* Apply suggestions

* Revise line from investigation guides

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
2022-01-20 08:56:53 -03:00
Jonhnathan 7fa0c0f719 [New Rule] Potential Priivilege Escalation via InstallerFileTakeOver (#1629)
* Create privilege_escalation_installertakeover.toml

* Update privilege_escalation_installertakeover.toml

* Update privilege_escalation_installertakeover.toml

* Update privilege_escalation_installertakeover.toml

* Update rules/windows/privilege_escalation_installertakeover.toml

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

* Update rules/windows/privilege_escalation_installertakeover.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

* Update description and change OFN from : to ==

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2022-01-20 08:53:58 -03:00
Jonhnathan 625d1df2bf [Rule Tuning] Interactive Terminal Spawned via Python - Python3 and bypasses fix (#1649)
* Update execution_python_tty_shell.toml

* Update EQL query to sequence

* Remove auditbeat index

* Update rules/linux/execution_python_tty_shell.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2022-01-20 08:50:30 -03:00
Austin Songer 96ada9e223 [New Rule] Azure Suppression Rule Created (#1666)
* Create defense_evasion_virtual_network_device_modified.toml

* Update defense_evasion_virtual_network_device_modified.toml

* Update defense_evasion_virtual_network_device_modified.toml

* Update defense_evasion_virtual_network_device_modified.toml

* Update defense_evasion_virtual_network_device_modified.toml

* Update defense_evasion_virtual_network_device_modified.toml

* Delete defense_evasion_virtual_network_device_modified.toml

* Moved to correct directory.

* Suppression Rule Created

* Update defense_evasion_suppression_rule_created.toml

* Update defense_evasion_suppression_rule_created.toml

* Update defense_evasion_suppression_rule_created.toml

* Update defense_evasion_suppression_rule_created.toml

* Update defense_evasion_suppression_rule_created.toml

* Update rules/integrations/azure/defense_evasion_suppression_rule_created.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update rules/integrations/azure/defense_evasion_suppression_rule_created.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update rules/integrations/azure/defense_evasion_suppression_rule_created.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
2022-01-20 08:46:24 -03:00
Jonhnathan d7116485f3 [New Rule] Group Policy Abuse for Privilege Addition (#1603)
* "Group Policy Abuse for Privilege Addition" Initial Rule

* Update privilege_escalation_group_policy_privileged_groups.toml

* Add related rules

* fix missing comma

* Update non-ecs-schema.json

* Remove duplicated entries

* update note with code format

* Update rules/windows/privilege_escalation_group_policy_privileged_groups.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2022-01-20 08:40:52 -03:00
Trevor Miller 101b781bef [Rule Tuning] O365 Excessive Single Sign-On Logon Errors (#1680)
* Change event.category to authentication

The original had the event.category as "web" the correct value is "authentication"

* Changed updated_date to todays date

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
2022-01-20 08:32:30 -03:00
Jonhnathan 865771886e [New Rule] Scheduled Task Execution at Scale via GPO (#1605)
* "Scheduled Task Execution at Scale via GPO" Initial Rule
* Update non-ecs-schema.json
2022-01-19 16:06:48 -09:00
Jonhnathan 7bbeaf3053 [New Rule] PowerShell PSReflect Script (#1558) 2022-01-19 15:31:08 -09:00
Samirbous 6a0164cbd3 [Rule Tuning] Connection to Commonly Abused Web Services (#1708)
Added Discord domains often abused to stage malicious files.
2022-01-17 14:52:26 -03:00
Austin Songer fd824d1fd5 [New Rule] Microsoft Defender Tampering (#1575)
* Create defense_evasion_microsoft_defender_tampering.toml

* Update defense_evasion_microsoft_defender_tampering.toml

* Update defense_evasion_microsoft_defender_tampering.toml

* Update defense_evasion_microsoft_defender_tampering.toml

* Update rules/windows/defense_evasion_microsoft_defender_tampering.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update rules/windows/defense_evasion_microsoft_defender_tampering.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update rules/windows/defense_evasion_microsoft_defender_tampering.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update rules/windows/defense_evasion_microsoft_defender_tampering.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update defense_evasion_microsoft_defender_tampering.toml

* Update defense_evasion_microsoft_defender_tampering.toml

* Update rules/windows/defense_evasion_microsoft_defender_tampering.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update defense_evasion_microsoft_defender_tampering.toml

* Update defense_evasion_microsoft_defender_tampering.toml

* Update defense_evasion_microsoft_defender_tampering.toml

* Update defense_evasion_microsoft_defender_tampering.toml

* Update rules/windows/defense_evasion_microsoft_defender_tampering.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update rules/windows/defense_evasion_microsoft_defender_tampering.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update defense_evasion_microsoft_defender_tampering.toml

* Update rules/windows/defense_evasion_microsoft_defender_tampering.toml

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

* Update rules/windows/defense_evasion_microsoft_defender_tampering.toml

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

* Update rules/windows/defense_evasion_microsoft_defender_tampering.toml

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

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
2022-01-13 19:50:01 -03:00
Jonhnathan af354dc7e8 [New Rule] Mailbox Audit Logging Bypass (#1702)
* "Mailbox Audit Logging Bypass" Initial Rule

* Add reference

* Update rules/integrations/o365/defense_evasion_microsoft_365_mailboxauditbypassassociation.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2022-01-13 17:33:08 -03:00
Jonhnathan cbf0798646 [Rule Tuning] Change Rules to use Source.ip instead of source.address (#1704)
* Replace source.address to source.ip for compatibility

* Change query

* Missing and condition
2022-01-13 16:40:10 -03:00
Austin Songer 25327134a6 [New Rule] Shadowcopy via Symlink (#1675)
* Create credential_access_shadowcopy_via_symlink.toml

* Update credential_access_shadowcopy_via_symlink.toml

* Update and rename credential_access_shadowcopy_via_symlink.toml to credential_access_shadowcopy_via_mklink.toml

* Update credential_access_shadowcopy_via_mklink.toml

* Update rules/windows/credential_access_shadowcopy_via_mklink.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update rules/windows/credential_access_shadowcopy_via_mklink.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update rules/windows/credential_access_shadowcopy_via_mklink.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update credential_access_shadowcopy_via_mklink.toml

* Rename credential_access_shadowcopy_via_mklink.toml to credential_access_symbolic_link_to_shadow_copy_createdcredential_access_symbolic_link_to_shadow_copy_created.toml

* Update credential_access_symbolic_link_to_shadow_copy_createdcredential_access_symbolic_link_to_shadow_copy_created.toml

* Apply suggestions from code review

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

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
2022-01-12 07:52:37 -03:00
Apoorva Joshi 0bdb6dec2f Changing naming terminology (#1671) 2021-12-16 16:19:38 -03:00
Jonhnathan 899642dd78 [New Rule] PowerShell Suspicious Script with Screenshot Capabilities (#1581)
* Create collection_posh_screen_grabber.toml

* Update collection_posh_screen_grabber.toml

* Update collection_posh_screen_grabber.toml

* Update collection_posh_screen_grabber.toml

* Update rules/windows/collection_posh_screen_grabber.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

* Update query condition

* lint

* Update execution_python_tty_shell.toml

* Revert "Update execution_python_tty_shell.toml"

This reverts commit d2d72ea5726415caca8786d59446b6dd60dcee54.

* Update collection_posh_screen_grabber.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2021-12-14 19:30:45 -03:00
Jonhnathan f2a28e49fb [New Rules] PowerShell Suspicious Payload Encoded and Compressed (#1580)
* Create defense_evasion_posh_compressed.toml

* Update defense_evasion_posh_compressed.toml

* Add GzipStream, cover common variations withou using wildcard

* Update defense_evasion_posh_compressed.toml

* Apply suggestions from code review

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

* Add false_positives

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2021-12-14 19:25:11 -03:00
Jonhnathan 9cc342dab7 [Rule Tuning] Bump max_signals on Endgame Promotion Rules (#1662)
* bump endgame max_signals to 10000

* bump updated_date
2021-12-14 11:52:12 -03:00
Justin Ibarra 9a60d7a26a [Rule tuning] fix name for GCP Kubernetes Rolebindings Created or Patched (#1661) 2021-12-13 08:59:56 -09:00
github-actions[bot] a33de6bfb8 Lock versions for releases: 7.13,7.14,7.15,7.16 (#1659)
* Locked versions for releases: 7.13,7.14,7.15,7.16
2021-12-10 19:06:19 -09:00
Samirbous 7978b3cc9e [New Rule] Potential JAVA/JNDI Exploitation Attempt (#1658)
* [New Rule] Potential JAVA/JNDI Exploitation Attempt

Identifies an outbound network connection by JAVA to LDAP, RMI or DNS standard ports followed by a suspicious JAVA child processes. This may indicate an attempt to exploit a JAVA/DNI injection vulnerability.

* rule ID

* expanded JAVA/DNI to Java Naming and Directory Interface

* added ruby and php to list of suspchildprocs

* Update execution_suspicious_java_netcon_childproc.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2021-12-10 16:06:30 -09:00
Samirbous 410d4e5929 [Rule Tuning] Suspicious JAR Child Process (#1657)
* [Rule Tuning] Suspicious JAR Child Process
Expand rule coverage by removing the process.args containing a jar file requirement which may help detect also exploitation attempt via command injection vulnerabilities on server apps running JAVA.
* Update rules/cross-platform/execution_suspicious_jar_child_process.toml
2021-12-10 16:04:35 -09:00
Jonhnathan d4e06beee6 [New Rule] PowerShell Reflection Assembly Load (#1559)
* Create defense_evasion_posh_assembly_load.toml

* Update defense_evasion_posh_assembly_load.toml

* Update rules/windows/defense_evasion_posh_assembly_load.toml

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

* Change event.code to event.category

* Update rules/windows/defense_evasion_posh_assembly_load.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2021-12-08 17:59:17 -03:00
Jonhnathan ee548328d5 [Rule Tuning] Powershell Defender Exclusion (#1644)
* Split process.args condition

* Update rules/windows/defense_evasion_defender_exclusion_via_powershell.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2021-12-08 11:51:32 -03:00
Samirbous b85818f49c [New Rule] Enumeration of Privileged Local Groups Membership (#1557)
* [New Rule] Enumeration of Privileged Local Groups Membership

* Update non-ecs-schema.json

* Update discovery_privileged_localgroup_membership.toml

* removed endpoint index (not needed)

* Update rules/windows/discovery_privileged_localgroup_membership.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2021-12-08 11:23:42 +01:00
Samirbous 434e2d0426 [New Rule] Privilege Escalation via Rogue Named Pipe Impersonation (#1544)
* [New Rule] Privilege Escalation via Rogue Named Pipe Impersonation

* Update rules/windows/privilege_escalation_via_rogue_named_pipe.toml

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* Update privilege_escalation_via_rogue_named_pipe.toml

* Update rules/windows/privilege_escalation_via_rogue_named_pipe.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2021-12-08 11:21:04 +01:00
Samirbous e3b76b7cf7 [New Rule] Potential LSASS Clone Creation via PssCaptureSnapShot (#1632)
* [New Rule] Potential LSASS Clone Creation via PssCaptureSnapShot

Detects the creation of LSASS clone via event 4688 (Sysmon process creation as well as Elastic endpoint don't capture clone creation due to the way 4688 logs process creation event even before an initial threat starts).

* adding extra ref url
2021-12-08 11:16:14 +01:00
Jonhnathan 851c566730 [Rule Tuning] Replaces event.code with event.category on PowerShell ScriptBlock Rules (#1620)
* Replaces event.code with event.category

* bump updated_date

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
2021-12-07 21:32:39 -09:00