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688 Commits

Author SHA1 Message Date
Jonhnathan 85b72256c2 [New Rule] Potential Shadow Credentials added to AD Object (#1729) 
* Potential Shadow Credentials added to AD Object Initial Rule

* Apply suggestions from code review

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

* Update credential_access_shadow_credentials.toml

* Add AD tag

* Update credential_access_shadow_credentials.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
 2022-02-04 15:49:04 -03:00
Jonhnathan 7dac52f1cf [New Rule] PowerShell Script Block Logging Disabled (#1749) 
* PowerShell Script Block Logging Disabled

* Update rules/windows/defense_evasion_disable_posh_scriptblocklogging.toml

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

* Update defense_evasion_disable_posh_scriptblocklogging.toml

* Apply suggestions from code review

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>
 2022-02-04 15:44:27 -03:00
Jonhnathan 40095d95bf Update credential_access_mod_wdigest_security_provider.toml (#1751) 2022-02-04 15:38:12 -03:00
Jonhnathan 9ce5d0b92a [New Rule] AdminSDHolder Backdoor (#1745) 
* AdminSDHolder Backdoor

* Update rules/windows/persistence_ad_adminsdholder.toml

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

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
 2022-02-01 10:14:39 -03:00
Jonhnathan d949fefe0c [New Rule] KRBTGT Delegation Backdoor (#1743) 
* KRBTGT Delegation Backdoor

* Update persistence_msds_alloweddelegateto_krbtgt.toml

* Update non-ecs-schema.json

* Update rules/windows/persistence_msds_alloweddelegateto_krbtgt.toml

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

* refresh rule_id with new uuid

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
 2022-02-01 10:08:54 -03:00
Jonhnathan 26d5bad914 [Rule Tuning] O365 Exchange Suspicious Mailbox Right Delegation (#1741) 
* Update persistence_exchange_suspicious_mailbox_right_delegation.toml

* fix year
 2022-01-31 21:02:02 -03:00
Jonhnathan 6e3f4b2824 [New Rule] Kerberos Preauthentication Disabled for User (#1717) 
* Initial "Kerberos Preauthentication Disabled for User" Rule

* Update credential_access_disable_kerberos_preauth.toml

* Update credential_access_disable_kerberos_preauth.toml

* Apply suggestions from code review

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

* Add config directives

* Update rules/windows/credential_access_disable_kerberos_preauth.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>
 2022-01-31 12:31:20 -03:00
Jonhnathan 25ec71579d [New Rule] SeEnableDelegationPrivilege assigned to User (#1737) 
* SeEnableDelegationPrivilege assigned to User

* Apply suggestions from code review

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

* Fix logging policy name

* Update rules/windows/credential_access_seenabledelegationprivilege_assigned_to_user.toml

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

* lint

* Update credential_access_seenabledelegationprivilege_assigned_to_user.toml

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
 2022-01-31 12:22:54 -03:00
Justin Ibarra 72c64de3f5 [Rule tuning] Update rules based on docs review (#1663) 
* [Rule tuning] Update rule verbiage based on docs review

* fix typos

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

* revert TI rule changes since it was deprecated

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
 2022-01-28 10:41:22 -09:00
Khristinin Nikita 87c7210aab [Rule Tuning] Change default time query for rounding days (#1713) 
* Change default time query for rounding days

* Udpate date

* Revert rule updated_data

* Restore threat_query
 2022-01-28 10:34:14 -09:00
Jonhnathan edd0df5e1a [New Rule] PowerShell Kerberos Ticket Request (#1715) 
* PowerShell Kerberos Ticket Request Initial Rule

* bump date
 2022-01-27 16:36:02 -03:00
Jonhnathan 189c2b152c [New Rule] Email Reported by User as Malware or Phish (#1699) 
* Email Reported by User as Malware or Phish Initial Rule

* Update initial_access_o365_user_reported_phish_malware.toml

* Update rules/integrations/o365/initial_access_o365_user_reported_phish_malware.toml

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

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
 2022-01-27 16:30:46 -03:00
Jonhnathan b6cbdbd416 [New Rule] MS Office Macro Security Registry Modifications (#1696) 
* "MS Office Macro Security Registry Modifications" Initial Rule

* Update rules/windows/defense_evasion_ms_office_suspicious_regmod.toml

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

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
 2022-01-27 16:24:41 -03:00
Jonhnathan f7bc13b437 [New Rule] OneDrive Malware File Upload (#1693) 
* "OneDrive Malware File Upload" Initial Rule

* bump severity
 2022-01-27 16:19:16 -03:00
Jonhnathan 1676844640 [New Rule] SharePoint Malware File Upload (#1691) 
* "SharePoint Malware File Upload" Initial Rule

* s/onedrive/sharepoint

* bump severity
 2022-01-27 16:12:17 -03:00
Samirbous 26fb8e83a5 [New Rule] Potential Privileged Escalation via SamAccountName Spoofing (#1660) 
* [New Rule] Potential Privileged Escalation via SamAccountName Spoofing

Identifies a suspicious computer account name rename event, this may indicate an attempt to exploit CVE-2021-42278 to elevated privileges from standard domain user to domain admin privileges. CVE-2021-42278 is a security vulnerability that allows potential attackers to impersonate a domain controller using computer account sAMAccountName spoofing.

https://cloudbrothers.info/en/exploit-kerberos-samaccountname-spoofing/
https://github.com/cube0x0/noPac

EQL

```
iam where event.action == "renamed-user-account" and
  /* machine account name renamed to user like account name */
  winlog.event_data.OldTargetUserName : "*$" and not winlog.event_data.NewTargetUserName : "*$"
```

* Create privilege_escalation_samaccountname_spoofing_attack.toml

* Update non-ecs-schema.json

* extra ref

* toml linted

* ref for MS kb5008102

* more ref

* Update rules/windows/privilege_escalation_samaccountname_spoofing_attack.toml

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

* Update rules/windows/privilege_escalation_samaccountname_spoofing_attack.toml

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

* Update non-ecs-schema.json

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
 2022-01-27 15:46:27 +01:00
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 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
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
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
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
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