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Ruben Groenewoud ed2daecb25 [Rule Tuning] Several rule tunings (#3024) 
* [Rule Tuning] Several rule tunings

* Added 1 more

* optimized ransomware encryption rules

* Update rules/linux/impact_potential_linux_ransomware_file_encryption.toml

* Update rules/linux/impact_potential_linux_ransomware_note_detected.toml

* Added 2 more tunings based on todays telemetry

* Some tunings

* Tuning

* Tuning

* fixed user.id comparison

* Something went wrong with deprecation

* Something went wrong with deprecation

* Update rules/linux/impact_potential_linux_ransomware_file_encryption.toml

* Update rules/linux/discovery_linux_nping_activity.toml

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

* Update rules/linux/discovery_linux_hping_activity.toml

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

* Dedeprecated the rule to deprecate later

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

(cherry picked from commit a1716bd673)
 2023-08-25 12:09:16 +00:00
Eric 939800bb03 [Rule Tuning] Threat Intel Hash Indicator Match (#3031) 
* Remove impash matches due to rate of false positives

* Update rules/cross-platform/threat_intel_indicator_match_hash.toml

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

(cherry picked from commit 17d0e5cda8)
 2023-08-25 09:27:11 +00:00
Jonhnathan a16735676f [Rule Tuning] Windows BBR Rules (#3018) 
* [Rule Tuning] Windows BBR Rules

* Update discovery_generic_process_discovery.toml

(cherry picked from commit 17f6537e44)
 2023-08-25 08:26:51 +00:00
Jonhnathan 38aca58b17 [Rule Tuning] Compression DLL Loaded by Unusual Process (#3017) 
(cherry picked from commit 460919a9d7)
 2023-08-25 08:14:13 +00:00
Mika Ayenson 4833f15de5 [Bug] Fix RTA Metadata (#3036) 
(cherry picked from commit 5bb5994c6f)
 2023-08-24 16:18:00 +00:00
Mika Ayenson abdf54d4ac [Bug] Set session cookie key to sid (#3010) 
(cherry picked from commit c72ec4da90)
 2023-08-22 21:07:55 +00:00
Apoorva Joshi d96eb29614 Adding related integrations to ML rules (#2972) 
* Adding related integrations to ML rules

* added adjustments to determine related integrations for ML rules

* fixed lint errors

* Empty commit

* Empty commit

* Empty commit

---------

Co-authored-by: Apoorva Joshi <apoorvajoshi@Apoorvas-MBP.lan>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
Co-authored-by: Apoorva Joshi <apoorvajoshi@Apoorvas-MBP.fritz.box>

(cherry picked from commit 9482bda414)
 2023-08-22 18:45:02 +00:00
Terrance DeJesus 10fa921c84 [Rule Tuning] Ignore Windows Update MpSigStub.exe for Parent Process PID Spoofing (#3025) 
* adding tuning to ignore windows update

* Update privilege_escalation_via_ppid_spoofing.toml

* Update privilege_escalation_via_ppid_spoofing.toml

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

(cherry picked from commit 2ddcf7817e)
 2023-08-22 17:10:02 +00:00
Jonhnathan 121134347a [Rule Tuning] PowerShell Keylogging Script (#3023) 
(cherry picked from commit 0c3b251208)
 2023-08-22 10:50:44 +00:00
Jonhnathan 37ff018674 [New Rule] Potential Masquerading as Windows System32 Executable (#3022) 
* [New Rule] Potential Masquerading as Windows System32 Executable

* Update rules_building_block/defense_evasion_masquerading_windows_system32_exe.toml

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

* Update rules_building_block/defense_evasion_masquerading_windows_system32_exe.toml

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

* Update rules_building_block/defense_evasion_masquerading_windows_system32_exe.toml

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

* Update rules_building_block/defense_evasion_masquerading_windows_system32_exe.toml

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

---------

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

(cherry picked from commit f8df53626e)
 2023-08-21 18:20:06 +00:00
Samirbous 3534b37ba6 [Tuning] Improve Performance (#2953) 
* [Tuning] Improve Performance

Remote Computer Account DnsHostName Update : sequence not needed, removed auth event to improve rule execution time.

Potential Remote Credential Access via Registry : removed sequence, since user.id is reported as std user SID (svchost is impersonating a remote user), and reduced file.path to known bad (based on observed TPs)

* Update privilege_escalation_suspicious_dnshostname_update.toml

* ++

* ++

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

(cherry picked from commit 5e801b2edf)
 2023-08-21 15:29:47 +00:00
Steve Ross 32f4fe26ba [Bug] Duplicate tag on Okta rule (#3020) 
* Fix double tag on rule

* fixed all rules; added unit test

---------

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

(cherry picked from commit 4f33a40f48)
 2023-08-21 14:49:38 +00:00
Jonhnathan 8058b4054c [New Rule] PowerShell Kerberos Ticket Dump (#2967) 
* [New Rule] PowerShell Kerberos Ticket Dump

* Update rules/windows/credential_access_posh_kerb_ticket_dump.toml

* Update rules/windows/credential_access_posh_kerb_ticket_dump.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit 72f15dda6a)
 2023-08-20 20:34:43 +00:00
Joe Desimone 27e246bd5e [Rule Tuning] Privileges Elevation via Parent Process PID Spoofing (#2873) 
* Update privilege_escalation_via_ppid_spoofing.toml

* Update privilege_escalation_via_ppid_spoofing.toml

* bump date

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

(cherry picked from commit b5e011a892)
 2023-08-17 16:58:24 +00:00
Jonhnathan 7c4ca0a4a3 [New Rule] Building Block Rules - Part 2 (#2923) 
* [New Rule] Building Block Rules - Part 2

* .

* Update rules_building_block/defense_evasion_dll_hijack.toml

* Update rules_building_block/defense_evasion_file_permission_modification.toml

* Update rules_building_block/discovery_posh_password_policy.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit 9144dc0448)
 2023-08-17 16:06:41 +00:00
github-actions[bot] 44ac8f762d Lock versions for releases: 8.3,8.4,8.5,8.6,8.7,8.8,8.9,8.10 (#3019) 
* Locked versions for releases: 8.3,8.4,8.5,8.6,8.7,8.8,8.9,8.10

* Update detection_rules/etc/deprecated_rules.json

* Update detection_rules/etc/deprecated_rules.json

---------

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

(cherry picked from commit 4cf70654ad)
 2023-08-17 13:15:11 +00:00
Terrance DeJesus 492e6c416e [FR] 8.10 Release Preparation and Update Main Branch to 8.11 (#3012) 
* prepping for 8.11 branch

* fixed lint errors

* added 8.11 to stack schema map

* trimmed version lock file; adjusted new terms validation

* reverting changes to version lock, stack schema and workflow

Removed changes from:
- detection_rules/etc/packages.yml

(selectively cherry picked from commit 08b646aa94)
 2023-08-16 18:29:17 +00:00
Jonhnathan 96e50be5a6 [Rule Tuning] Potential Masquerading as Communication Apps (#2997) 
* [Rule Tuning] Potential Masquerading as Communication Apps

* Update defense_evasion_masquerading_communication_apps.toml

* Update persistence_run_key_and_startup_broad.toml

* CI

* Revert "CI"

This reverts commit f43d9388dadb158d6cb63e84d2f1edcf2162bfb0.
 2023-08-16 09:34:21 -03:00
Ruben Groenewoud e938ed28a0 [Rule Tuning] added additional event action (#3008) 2023-08-10 16:59:07 +02:00
Jonhnathan 2393190edf [New Rule] PowerShell Script with Webcam Video Capture Capabilities (#2935) 
* [New Rule] PowerShell Script with Webcam Video Capture Capabilities

* Update collection_posh_webcam_video_capture.toml

* Update rules_building_block/collection_posh_webcam_video_capture.toml

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

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2023-08-09 15:17:15 -03:00
Ali Alwashali f500cec497 fixing typo in 127.0.0.1 address (#3004) 2023-08-08 17:06:26 +02:00
Ruben Groenewoud 4cbfd7c4ae [Rule Tuning] Restricted Shell Breakout (#2999) 2023-08-04 19:30:18 +02:00
Ruben Groenewoud e904ebb760 [New Rule] PE via Container Misconfiguration (#2983) 
* [New Rule] PE via Container Misconfiguration

* fixed boolean comparison unit test error

* Update privilege_escalation_container_util_misconfiguration.toml

* Update rules/linux/privilege_escalation_container_util_misconfiguration.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
 2023-08-04 16:39:40 +02:00
Ruben Groenewoud ef49709c7d [New Rules] Linux Wildcard Injection (#2973) 
* [New Rules] Linux Wildcard Injection

* Update rules/linux/privilege_escalation_chown_chmod_unauthorized_file_read.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* Update rules/linux/privilege_escalation_potential_wildcard_shell_spawn.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* Update rules/linux/privilege_escalation_potential_wildcard_shell_spawn.toml

* Update rules/linux/privilege_escalation_potential_wildcard_shell_spawn.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* Update rules/linux/privilege_escalation_potential_wildcard_shell_spawn.toml

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2023-08-04 16:32:34 +02:00
Ruben Groenewoud c6eba3e4e6 [New Rule] Suspicious Symbolic Link Created (#2969) 
* [New Rule] Suspicious Symbolic Link Created

* Update rules/linux/privilege_escalation_linux_suspicious_symbolic_link.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* fixed unit testing issues after suggestion commit

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2023-08-03 23:23:23 +02:00
Ruben Groenewoud 4bcec3397c [New Rule] Potential Suspicious DebugFS Root Device Access (#2982) 
* [New Rule] Potential DebugFS Privilege Escalation

* Changed rule name

* Update rules/linux/privilege_escalation_sda_disk_mount_non_root.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2023-08-03 16:13:34 +02:00
Ruben Groenewoud 207d94e51c [New Rule] Potential Sudo Token Manipulation via Process Injection (#2984) 
* [New Rule] Sudo Token Access via Process Injection

* [New Rule] Sudo Token Manipulation via Proc Inject

* Update rules/linux/privilege_escalation_sudo_token_via_process_injection.toml

* Update privilege_escalation_sudo_token_via_process_injection.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2023-08-03 15:58:25 +02:00
Ruben Groenewoud 7cc841cc87 [New Rule] PE via UID INT_MAX Bug (#2971) 
* [New Rule] PE via UID INT_MAX Bug

* changed file name

* Should be more decisive

* fix

* Update rules/linux/privilege_escalation_linux_uid_int_max_bug.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* Update rules/linux/privilege_escalation_linux_uid_int_max_bug.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* Update rules/linux/privilege_escalation_linux_uid_int_max_bug.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2023-08-03 15:51:06 +02:00
Ruben Groenewoud ef1fa94c52 [New BBR] Suspicious Clipboard Activity (#2970) 
* [New BBR] Suspicious Clipboard Activity

* Added new line to end of file

* Update rules_building_block/collection_linux_suspicious_clipboard_activity.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* Update rules_building_block/collection_linux_suspicious_clipboard_activity.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
 2023-08-03 15:41:23 +02:00
Ruben Groenewoud a7ff449fbc [Rule Tuning] Some Tunings of several 8.9 rules (#2985) 
* [Rule Tuning] Doing some quick tunings

* updated_date bump

* Update rules/linux/discovery_linux_modprobe_enumeration.toml

* Update rules/linux/discovery_linux_modprobe_enumeration.toml

* Update rules/linux/discovery_linux_sysctl_enumeration.toml

* Update rules/linux/persistence_init_d_file_creation.toml

* Update rules/linux/persistence_rc_script_creation.toml

* Update rules/linux/persistence_shared_object_creation.toml

* deprecate rule

* deprecate rule

* Update execution_abnormal_process_id_file_created.toml

* Update discovery_kernel_module_enumeration_via_proc.toml

* Update discovery_linux_modprobe_enumeration.toml

* Update execution_remote_code_execution_via_postgresql.toml

* Update discovery_potential_syn_port_scan_detected.toml

* Added 2 tunings, sorry I missed those..

* One more tune

* Update discovery_suspicious_proc_enumeration.toml
 2023-08-03 15:25:33 +02:00
Ruben Groenewoud 03110fb24c [New Rule] SUID/SGUID Enumeration Detected (#2956) 
* [New Rule] SUID/SGUID Enumeration Detected

* Remove endgame compatibility

* readded endgame support after troubleshooting

* Update discovery_suid_sguid_enumeration.toml

* Update rules/linux/discovery_suid_sguid_enumeration.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
 2023-08-03 09:57:30 +02:00
Ruben Groenewoud 716b621af2 [New Rule] Potential Sudo Hijacking Detected (#2966) 
* [New Rule] Potential Sudo Hijacking Detected

* Update privilege_escalation_sudo_hijacking.toml
 2023-08-03 09:49:14 +02:00
Ruben Groenewoud 18c2214956 [New Rule] Sudo Command Enumeration Detected (#2946) 
* [New Rule] Sudo Command Enumeration Detected

* Update discovery_sudo_allowed_command_enumeration.toml

* revert endgame support due to unit testing fail

* Update discovery_sudo_allowed_command_enumeration.toml

* Update discovery_sudo_allowed_command_enumeration.toml

* Update rules/linux/discovery_sudo_allowed_command_enumeration.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* Update rules/linux/discovery_sudo_allowed_command_enumeration.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
 2023-08-03 09:39:16 +02:00
Mika Ayenson 3f9e7aced1 [Bug] Strip Non-Public Fields Prior to Uploading Rules (#2986) 2023-08-02 12:38:48 -05:00
eric-forte-elastic 29fc61d55b updated pyproject.toml (#2991) 2023-08-02 10:16:12 -04:00
github-actions[bot] 1cb5c174ce Lock versions for releases: 8.3,8.4,8.5,8.6,8.7,8.8,8.9 (#2988) 
* Locked versions for releases: 8.3,8.4,8.5,8.6,8.7,8.8,8.9

* Update detection_rules/etc/version.lock.json

* Update detection_rules/etc/version.lock.json

---------

Co-authored-by: terrancedejesus <terrancedejesus@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
 2023-08-01 10:12:29 -04:00
eric-forte-elastic ea26ea77d7 [FR] Update build-release to support bbr release (#2987) 
* Fixes bug in unit tests

* fix rule paths

* removed unused import
 2023-07-31 15:20:18 -04:00
Ruben Groenewoud b8bb2da932 [New Rule] Potential Privilege Escalation via OverlayFS (#2974) 
* [New Rule] Privilege Escalation via OverlayFS

* Layout change

* Revert "[New Rule] Privilege Escalation via OverlayFS"

This reverts commit f3262d179bc5f54ae5380ffa50d67041fb141c26.

* Made rule broader

* Update privilege_escalation_overlayfs_local_privesc.toml

* Update rules/linux/privilege_escalation_overlayfs_local_privesc.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* Update rules/linux/privilege_escalation_overlayfs_local_privesc.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* Update rules/linux/privilege_escalation_overlayfs_local_privesc.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* Update rules/linux/privilege_escalation_overlayfs_local_privesc.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* Update rules/linux/privilege_escalation_overlayfs_local_privesc.toml

* Update user.id to strings

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
 2023-07-31 19:15:11 +02:00
Jonhnathan d1db3a0048 [New Rule] Building Block Rules - Part 4 (#2926) 
* [New Rule] Building Block Rules - Part 4

* Update discovery_win_network_connections.toml

* Update privilege_escalation_unquoted_service_path.toml

* Update rules_building_block/discovery_win_network_connections.toml

* Update rules_building_block/privilege_escalation_unquoted_service_path.toml

* Rename lateral_movement_net_share_discovery_winlog.toml to discovery_net_share_discovery_winlog.toml

* Update discovery_net_share_discovery_winlog.toml
 2023-07-31 11:03:57 -03:00
Eric 1e769c51b6 Tune Unusual File Activity ADS for Teams weblogs (#2929) 
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2023-07-31 10:41:31 -03:00
Jonhnathan 6966a6df09 [New Rule] Building Block Rules - Part 3 (#2924) 
* [New Rule] Building Block Rules - Part 3

* Update defense_evasion_generic_deletion.toml

* Update defense_evasion_generic_deletion.toml

* Update defense_evasion_generic_deletion.toml

* Apply suggestions from code review

* Update rules_building_block/discovery_generic_account_groups.toml

* Apply suggestions from code review

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2023-07-31 10:28:25 -03:00
Mika Ayenson 3813a08f59 [FR] Add support for BBR rules to the rule loader (#2968) 
---------

Co-authored-by: eric-forte-elastic <eric.forte@elastic.co>
 2023-07-27 11:27:04 -05:00
Mika Ayenson 77b43d16e8 [FR] Generate Prebuilt Rules Reference Page (#2964) 2023-07-27 11:05:31 -05:00
Jonhnathan 9387a081bc [Security Content] Add Investigation Guides to Threat Intel rules (#2827) 
* [Proposal] [DRAFT] Break Threat Intel Indicator Match rules into Indicator-type rules

* .

* Update threat_intel_indicator_match_hash.toml

* Update to include expiring rules, exclude expiring indexes

* .

* Apply suggestions from code review

* Push changes

* Update pyproject.toml

* Revert "Update pyproject.toml"

This reverts commit 17cfafbd96f337df756d87909d2478545ac9efe7.

* Update pyproject.toml

* Update integration-schemas.json.gz

* Revert "Update integration-schemas.json.gz"

This reverts commit 7dc19b7ccbf41f34b94d02b0ed702bd83df82f9d.

* Revert integrations-manifests to the one from main

* Fix maturity

* Update Name

* Update ignore_ids with the indicator rules guid

* Update rules/cross-platform/threat_intel_indicator_match_registry_expiring.toml

* Update rules/cross-platform/threat_intel_indicator_match_address_expiring.toml

* Update rules/cross-platform/threat_intel_indicator_match_hash_expiring.toml

* Update rules/cross-platform/threat_intel_indicator_match_url_expiring.toml

* Make changes to use labels

* Update non-ecs-schema.json

* Update rules/cross-platform/threat_intel_fleet_integrations.toml

* Apply suggestions from code review

* Backport to 8.5

* [Security Content] Add Investigation Guides to Threat Intel rules

* Fix Rule threat filters, add tags, and compatibility with process and dll fields for hash indicators

* Update threat_intel_indicator_match_hash.toml

* Update threat_intel_indicator_match_url.toml

* Update threat_intel_indicator_match_url.toml

* Apply suggestions from review, adds Setup guide

* Apply suggestions from code review

Co-authored-by: Nastasha Solomon <79124755+nastasha-solomon@users.noreply.github.com>

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Co-authored-by: Nastasha Solomon <79124755+nastasha-solomon@users.noreply.github.com>
 2023-07-27 11:30:14 -03:00
Ruben Groenewoud bbb24704b6 [New Rule] PE through Writable Docker Socket (#2958) 
* [New Rule] PE through Writable Docker Socket

* simplified query

* Update privilege_escalation_writable_docker_socket.toml

* Update privilege_escalation_writable_docker_socket.toml

* Update rules/linux/privilege_escalation_writable_docker_socket.toml

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2023-07-27 10:01:29 +02:00
Ruben Groenewoud 0666b594c6 [New Rule] Linux Local Account Brute Force (#2965) 2023-07-27 09:43:53 +02:00
Jonhnathan 0ff50acfd2 [Rule Tuning] Tune Threat Indicator Match Rules (#2957) 
* [Rule Tuning] Tune Threat Indicator Match Rules

* Update threat_intel_indicator_match_url.toml

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Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2023-07-26 15:12:28 -03:00
Ruben Groenewoud b330cf9438 [New Rule] Pspy Process Monitoring Detected (#2945) 
* [New Rule] Pspy Process Monitoring Detected

* Update rules/linux/discovery_pspy_process_monitoring_detected.toml

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

* Update rules/linux/discovery_pspy_process_monitoring_detected.toml

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

* Update rules/linux/discovery_pspy_process_monitoring_detected.toml

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

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Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2023-07-26 15:58:33 +02:00
Ruben Groenewoud 9cc4b0e348 [New BBR] Potential Suspicious File Edit (#2960) 
* [New BBR] Potential Suspicious File Edit

* Added a few more interesting files

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Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>
 2023-07-26 15:22:56 +02:00
shashank-elastic 6527eb0500 Rule Tuning File Permission Modification in Writable Directory (#2961) 2023-07-26 17:47:00 +05:30