security-tools/sigma-rules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
267 Commits 1 Branch 0 Tags
56bc91cc7007f5d359d98d93f3100a57293ba592
Commit Graph

189 Commits

Author SHA1 Message Date
David French 56bc91cc70 Create google_workspace_admin_role_deletion.toml (#561) 2020-11-18 09:15:53 -07:00
David French 10d4e5d8c9 [New Rule] Google Workspace Role Modified (#556) 
* Create persistence_google_workspace_role_modified.toml

* fix tpyo 🙃
 2020-11-18 09:13:44 -07:00
David French acf8102607 Create persistence_google_workspace_custom_admin_role_created.toml (#555) 2020-11-18 09:10:50 -07:00
David French 72fee8d16f Create persistence_google_workspace_admin_role_assigned_to_user.toml (#554) 2020-11-18 09:07:39 -07:00
David French 78b8d5c761 new-rule-mfa-disabled-for-google-workspace-organization (#553) 2020-11-18 09:05:07 -07:00
David French 6aca322cfd [New Rule] Google Workspace Password Policy Modified (#552) 
* new-rule-google-workspace-policy-modified

* lint rule
 2020-11-18 09:02:59 -07:00
David French f11e9f8302 [New Rule] Administrator Role Assigned to Okta User (#489) 
* Create persistence_administrator_role_assigned_to_okta_user.toml

* set maturity to production

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

* Reorder references to put the most relevant at the top

* tweak rule name

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
 2020-11-18 08:59:23 -07:00
Samirbous eb487f9433 [New Rule] Timestomping using Touch Command (#463) 
* [New Rule] Timestomping using Touch Command

* Update defense_evasion_timestomp_touch.toml

* added macOS tag

* Update rules/linux/defense_evasion_timestomp_touch.toml

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
 2020-11-17 23:29:47 +01:00
Samirbous abea5d0779 [New Rule] Prompt for Credentials with OSASCRIPT (#540) 2020-11-17 22:25:40 +01:00
Samirbous 4547ee3750 [New Rule] Suspicious Execution - Short Program Name (#536) 
* [New Rule] Suspicious Execution - Short Program Name

* Update rules/windows/execution_suspicious_short_program_name.toml

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
 2020-11-17 21:27:37 +01:00
Samirbous 4741f70fad [New Rule] Potential Remote Desktop Tunneling Detected (#374) 
* [New Rule] Remote Desktop Tunneling using SSH Plink Utility

* Update lateral_movement_rdp_tunnel_plink.toml

* Update lateral_movement_rdp_tunnel_plink.toml

* changed tags

* expanded condition to more than plink

there are other SSH utilities that can be used as Plink thus removed the process original filename condition and added mandatory switches such as -L -P and -R.

* Update lateral_movement_rdp_tunnel_plink.toml

* more args options

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
 2020-11-17 21:25:48 +01:00
Samirbous 14e36c2693 [New Rule] Security Software Discovery using WMIC (#387) 
* [New Rule] Security Software Discovery using WMIC

* added tags

* adjusted args for performance

avoiding leading wildcard in process args

* Update discovery_security_software_wmic.toml

* Update discovery_security_software_wmic.toml

* Update discovery_security_software_wmic.toml

* Update rules/windows/discovery_security_software_wmic.toml

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>

* Update rules/windows/discovery_security_software_wmic.toml

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
 2020-11-17 21:23:28 +01:00
Samirbous ba4b8bc3e3 [New Rule] UAC Bypass via Elevated COM IEinstall (#450) 
* [New Rule] Bypass UAC via Elevated COM Internet Explorer Add-on Installer

* Linted

* Update privilege_escalation_uac_bypass_com_ieinstal.toml

* adjusted executable path for better performance

* Update rules/windows/privilege_escalation_uac_bypass_com_ieinstal.toml

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>

* Update rules/windows/privilege_escalation_uac_bypass_com_ieinstal.toml

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>

* Update rules/windows/privilege_escalation_uac_bypass_com_ieinstal.toml

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
 2020-11-17 21:21:15 +01:00
Samirbous 3af915ff49 [New Rule] Suspicious Cmd Execution via WMI (#389) 
* [New Rule] Suspicious Cmd Execution via WMI

* Update lateral_movement_suspicious_cmd_wmi.toml

* Update lateral_movement_suspicious_cmd_wmi.toml

* expanded process args for more coverage

* Update rules/windows/lateral_movement_suspicious_cmd_wmi.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
 2020-11-17 21:19:30 +01:00
David French 9d3395f9e3 Create okta_attempt_to_delete_okta_application.toml (#497) 2020-11-17 08:53:59 -07:00
David French 58e54f40e3 Create okta_attempt_to_deactivate_okta_application.toml (#496) 2020-11-17 08:51:51 -07:00
David French 768069a8bc [New Rule] Attempt to Modify an Okta Application (#495) 
* Create okta_attempt_to_modify_okta_application.toml

* add reference
 2020-11-17 08:49:02 -07:00
David French 88b8bca929 Create persistence_google_workspace_api_access_granted_via_domain_wide_delegation_of_authority.toml (#530) 2020-11-17 08:44:37 -07:00
Justin Ibarra f87f2a46f4 [Rule Tuning] Remove all rule timelines (#466) 2020-11-03 09:51:53 -09:00
Justin Ibarra da64bacac1 [Rule Tuning] Add timeline_title to rules with timeline IDs defined (#452) 2020-11-02 14:12:20 -09:00
Brent Murphy 9838d3d2f7 [Rule Tuning] Remove duplicate rules after EQL conversion (#436) 
* [Rule Tuning] Remove duplicate rules after EQL conversion

* Update defense_evasion_rundll32_sequence.toml

* swap msxsl rules
 2020-10-30 15:49:28 -04:00
Justin Ibarra a575cf9ff3 [Rule Tuning] Use cidrMatch for eql rules checking multiple IPs (#431) 2020-10-29 11:06:24 -08:00
Justin Ibarra fda1e7ef94 Bump zoom rule to production (#427) 2020-10-29 11:02:29 -08:00
Justin Ibarra 0d3c35886c Remove connection type from endpoint network rules (#426) 2020-10-28 12:35:34 -08:00
Derek Ditch 580db2c13e Add timeline_id to detection rules (#95) 
* Adds timeline_id to all network rules
- Uses the ID for the 'Generic Network Timeline' from Elastic
* Adds timeline_id to all endpoint rules
- Uses the ID for the 'Generic Endpoint Timeline' from Elastic
* Adds timeline_id to all process-oriented rules
    - Uses the ID for the 'Generic Process Timeline' from Elastic
* Ran tests and toml-lint
* Bumped 'updated_date'
 2020-10-27 13:34:16 -05:00
seth-goodwin 2065af89b1 [Rule Tuning] Tag Categorization Updates (#380) 
* Add new categorization tags

* Change updated_date to 2020/10/26

Co-authored-by: Ross Wolf <31489089+rw-access@users.noreply.github.com>, @bm11100
 2020-10-26 13:50:45 -05:00
Brent Murphy 2e422f7159 [Rule Tuning] Minor Rule Tweaks for 7.10 (#400) 
* Tweak Rules for 7.10

* Add endpoint index for packetbeat rules

* update unit test to account for Network tag as well

* update modified date, add endpoint tag

* use Host instead of Endpoint

* Update packaging.py

* add v back to changelog url

* Add "tag" comment to get_markdown_rule_info

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
Co-authored-by: Ross Wolf <31489089+rw-access@users.noreply.github.com>
 2020-10-22 09:07:04 -04:00
Justin Ibarra 0a992d716a [Rule Tuning] Update EQL rules for 7.10 (#399) 
* update syntax to reflect eql changes
* use more case-insensitivity
* comment out missing fields for winlogbeat compatibility
 2020-10-21 12:35:18 -08:00
Justin Ibarra fd2d36573d Update logic in rules using fields: process.code_signature.* or process.pe.original_file_name (#364) 2020-10-20 15:22:02 -08:00
Justin Ibarra d3226c72c9 Add test for tactic in rule filename (#398) 2020-10-20 14:48:33 -08:00
Justin Ibarra 758e4a2c5b Add unit tests for rule tags (#359) 2020-10-07 19:29:19 -08:00
Kevin Logan f34c96f4dc [Rule Tuning][SECURITY_SOLUTION] rename Endpoint security (#355) 2020-10-05 09:55:15 -08:00
Andrew Pease 0b745c5492 [New Rule] Zoom Meeting with no Passcode (#292) 2020-09-30 21:44:45 -08:00
Justin Ibarra bf202b6b6c [New Rule] Initial converted EQL rules (#304) 
* 18 converted eql rules (not all prod)
 2020-09-30 21:40:55 -08:00
Justin Ibarra 2460333595 [Rule Tuning] Add extended lookback for all endpoint rules to account for ingest delays (#351) 2020-09-30 16:16:04 -08:00
Samirbous d094c76534 [New Rule] Suspicious Zoom ChildProcess (#245) 2020-09-30 15:46:33 -08:00
Andrew Pease 5ba848552a [New Rule] Post Exploitation Public IP Reconnaissance (#270) 2020-09-30 15:36:22 -08:00
Andrew Pease e753162fe2 [New Rule] Detecting Unsecure Elasticsearch Nodes (#109) 2020-09-30 15:34:38 -08:00
Andrew Pease 1a260536d4 [New Rule] RAR and PowerShell Downloaded from the Internet (#30) 2020-09-30 15:32:44 -08:00
Andrew Pease faeac00465 [New Rule] Possible FIN7 Command and Control Behavior (#28) 2020-09-30 15:26:13 -08:00
Andrew Pease d68e4ac7f0 [New Rule] Hosts File Modified (#25) 2020-09-30 15:24:07 -08:00
Andrew Pease 1620559f1f [New Rule] Halfbaked C2 Beacon (#23) 2020-09-30 15:21:33 -08:00
Andrew Pease 8caf897a73 [New Rule] Cobalt Strike Beacon (#21) 2020-09-30 14:58:24 -08:00
Brent Murphy 83fb9bdf93 [Rule Tuning] Update event.code to category (#349) 2020-09-30 14:34:58 -08:00
Samirbous cbf465ba01 [New Rule] Kerberos dump using kcc command (#139) 
* [New Rule] Kerberos dump using kcc command

* Delete .gitignore

* Delete vcs.xml

* Delete profiles_settings.xml

* Delete misc.xml

* Delete rules.iml

* Delete modules.xml

* Update credential_access_kerberosdump_kcc.toml

* Update rules/macos/credential_access_kerberosdump_kcc.toml

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

* Update rules/macos/credential_access_kerberosdump_kcc.toml

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

* Update credential_access_kerberosdump_kcc.toml

* Update rules/macos/credential_access_kerberosdump_kcc.toml

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

* Update rules/macos/credential_access_kerberosdump_kcc.toml

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

* Update rules/macos/credential_access_kerberosdump_kcc.toml

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

* Update rules/macos/credential_access_kerberosdump_kcc.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

* Update rules/macos/credential_access_kerberosdump_kcc.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

* Update rules/macos/credential_access_kerberosdump_kcc.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

* Update credential_access_kerberosdump_kcc.toml

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
 2020-09-30 23:03:44 +02:00
Justin Ibarra a212008f8c [Rule Tuning] Remove event.module from rules for compatibility with agent integrations (#342) 2020-09-30 09:41:33 -08:00
Samirbous f15d179a50 [New Rule]- Credential Access - Domain DPAPI Backup key (#125) 
* new rule - credential access

Domain Backup DPAPI Private Keys Access

* Update credential_access_domain_backup_dpapi_private_keys.toml

* Update rules/windows/credential_access_domain_backup_dpapi_private_keys.toml

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

* Update rules/windows/credential_access_domain_backup_dpapi_private_keys.toml

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

* Update rules/windows/credential_access_domain_backup_dpapi_private_keys.toml

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

* Update rules/windows/credential_access_domain_backup_dpapi_private_keys.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

* Linted

* added an extra reference

* Update rules/windows/credential_access_domain_backup_dpapi_private_keys.toml

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

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
 2020-09-29 21:14:07 +02:00
Samirbous c6519a2474 [New Rule] PrivEsc - Suspicious PrintSpooler FileCreation Activity (#146) 
* [New Rule] PrivEsc - Suspicious PrintSpooler FileCreation Activity

Same rule will detect exploitation behavior of CVE-2020-1048, CVE-2020-1337 and CVE-2020-1300

* Update privilege_escalation_printspooler_service_suspicious_file.toml

* Update rules/windows/privilege_escalation_printspooler_service_suspicious_file.toml

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

* Update rules/windows/privilege_escalation_printspooler_service_suspicious_file.toml

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

* Update rules/windows/privilege_escalation_printspooler_service_suspicious_file.toml

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

* Added references and changed file name to extension as it was closed as bug issue by endpoint dev team

* Update privilege_escalation_printspooler_service_suspicious_file.toml

* Update rules/windows/privilege_escalation_printspooler_service_suspicious_file.toml

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

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
 2020-09-29 21:11:43 +02:00
Samirbous cccd91bc1a [New Rule] - Persistence via Update Orchestrator Service Hijack (#152) 
* [New Rule] - Persistence via Update Orchestrator Service Hijack

* Update persistence_via_update_orchestrator_service_hijack.toml

* Update rules/windows/persistence_via_update_orchestrator_service_hijack.toml

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

* Update rules/windows/persistence_via_update_orchestrator_service_hijack.toml

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

* Update rules/windows/persistence_via_update_orchestrator_service_hijack.toml

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

* Update rules/windows/persistence_via_update_orchestrator_service_hijack.toml

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

* Update rules/windows/persistence_via_update_orchestrator_service_hijack.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
 2020-09-29 18:53:05 +02:00
Samirbous 3ec2d92b42 [New Rule] - Potential Secure File Deletion using SDelete utility (#162) 
* [New Rule] - Potential Secure File Deletion using SDelete utility

* Update defense_evasion_sdelete_like_filename_rename.toml

* Update rules/windows/defense_evasion_sdelete_like_filename_rename.toml

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

* Update rules/windows/defense_evasion_sdelete_like_filename_rename.toml

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>

* Update rules/windows/defense_evasion_sdelete_like_filename_rename.toml

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>

* Update defense_evasion_sdelete_like_filename_rename.toml

* Update rules/windows/defense_evasion_sdelete_like_filename_rename.toml

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

* linted

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
Co-authored-by: Ross Wolf <31489089+rw-access@users.noreply.github.com>
Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
 2020-09-29 18:46:29 +02:00