Ruben Groenewoud
115c3a6dfd
[Rule Tuning] Linux DRs ( #3628 )
2024-04-30 13:26:09 +02:00
Mirko Bez
153657029b
Add filebeat-* index pattern to rules based on system.auth dataset ( #3561 )
...
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com >
2024-04-03 11:27:31 +02:00
Samirbous
f2490007e8
[New] Potential Execution via XZBackdoor ( #3555 )
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* [New] Potential Execution via XZBackdoor
* Update rules/linux/persistence_suspicious_ssh_execution_xzbackdoor.toml
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com >
* Update rules/linux/persistence_suspicious_ssh_execution_xzbackdoor.toml
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com >
* Update persistence_suspicious_ssh_execution_xzbackdoor.toml
* Update persistence_suspicious_ssh_execution_xzbackdoor.toml
---------
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com >
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com >
2024-04-02 05:15:04 +01:00
Ruben Groenewoud
a6028b43b3
[Rule Tuning] Potential Reverse Shell via UDP ( #3508 )
2024-03-21 13:48:41 +01:00
Ruben Groenewoud
4179180fcb
[New Rules] mprotect() RWX Binary Execution ( #3507 )
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* [New Rules] mprotect() RWX Binary Execution
* Added rule names
* Update execution_netcon_from_rwx_mem_region_binary.toml
* Update execution_unknown_rwx_mem_region_binary_executed.toml
* Update execution_unknown_rwx_mem_region_binary_executed.toml
* Update execution_netcon_from_rwx_mem_region_binary.toml
* Update execution_netcon_from_rwx_mem_region_binary.toml
2024-03-13 22:11:44 +01:00
Ruben Groenewoud
9f8638a004
[Tuning] event.action and event.type change ( #3495 )
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Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com >
2024-03-13 10:11:21 +01:00
Jonhnathan
458e67918a
[Security Content] Small tweaks on the setup guides ( #3308 )
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* [Security Content] Small tweaks on the setup guides
* Additional Fixes
* Avoid touching deprecated rules
2024-03-11 09:09:40 -03:00
Ruben Groenewoud
9c4ba4559d
[Tuning] Linux DR Tuning - Part 12 ( #3464 )
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* [Tuning] Linux DR Tuning - Part 12
* Update persistence_shared_object_creation.toml
* Update privilege_escalation_dac_permissions.toml
* Update privilege_escalation_enlightenment_window_manager.toml
* Update privilege_escalation_enlightenment_window_manager.toml
* Min stack rule-bending test
* formatting fix
* Revert "Merge branch 'linux-dr-tuning-12' of https://github.com/elastic/detection-rules into linux-dr-tuning-12"
This reverts commit 0170cddd905b4b983f8413eebbc11c9c7b3719ce, reversing
changes made to 29d4a747603faf0ac7c2d502786533b0cd93a5d5.
* Revert "Min stack rule-bending test"
This reverts commit 29d4a747603faf0ac7c2d502786533b0cd93a5d5.
* Update privilege_escalation_enlightenment_window_manager.toml
* Update privilege_escalation_chown_chmod_unauthorized_file_read.toml
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-03-07 18:09:38 +01:00
Ruben Groenewoud
ed4a7fc15b
[Tuning] Linux DR Tuning - Part 14 ( #3467 )
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* [Tuning] Linux DR Tuning - Part 14
* Update privilege_escalation_sudo_cve_2019_14287.toml
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-03-07 16:45:47 +01:00
Ruben Groenewoud
60fda8d756
[Tuning] Linux DR Tuning - Part 13 ( #3465 )
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* [Tuning] Linux DR Tuning - Part 13
* updated date bump
* Update privilege_escalation_load_and_unload_of_kernel_via_kexec.toml
* Update privilege_escalation_netcon_via_sudo_binary.toml
* Update privilege_escalation_load_and_unload_of_kernel_via_kexec.toml
* Update rules/linux/privilege_escalation_shadow_file_read.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2024-03-07 16:28:06 +01:00
Ruben Groenewoud
ef66c57030
[Tuning] Linux DR Tuning - Part 11 ( #3463 )
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* [Tuning] Linux DR Tuning - Part 11
* Update persistence_message_of_the_day_creation.toml
* Update persistence_message_of_the_day_execution.toml
* Update rules/linux/persistence_message_of_the_day_execution.toml
* Update persistence_linux_user_added_to_privileged_group.toml
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-03-07 12:20:31 +01:00
Ruben Groenewoud
a76a3755d9
[Tuning] Linux DR Tuning - Part 10 ( #3462 )
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* [Tuning] Linux DR Tuning - Part 10
* updated_date bump
* Update persistence_kworker_file_creation.toml
* Update persistence_linux_backdoor_user_creation.toml
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-03-07 11:45:17 +01:00
Ruben Groenewoud
fd84573212
[Tuning] Linux DR Tuning - Part 9 ( #3461 )
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* [Tuning] Linux DR Tuning - Part 9
* Update persistence_credential_access_modify_ssh_binaries.toml
* Update lateral_movement_ssh_it_worm_download.toml
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-03-07 11:33:28 +01:00
Ruben Groenewoud
08f946b394
[Tuning] Linux DR Tuning - Part 8 ( #3460 )
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* [Tuning] Linux DR Tuning - Part 8
* Update impact_esxi_process_kill.toml
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-03-07 11:01:08 +01:00
Ruben Groenewoud
c537fb9c22
[Tuning] Linux DR Tuning - Part 7 ( #3458 )
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* [Tuning] Linux DR Tuning - Part 7
* Update execution_potential_hack_tool_executed.toml
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-03-07 10:46:48 +01:00
Ruben Groenewoud
f37a3bfd48
[Tuning] Linux DR Tuning - Part 6 ( #3457 )
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* [Tuning] Linux DR Tuning - Part 6
* Update discovery_ping_sweep_detected.toml
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-03-07 10:09:14 +01:00
Ruben Groenewoud
ae3f4737ab
[Tuning] Linux DR Tuning - Part 5 ( #3456 )
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* [Tuning] Linux DR Tuning - Part 6
* Update discovery_dynamic_linker_via_od.toml
* Update discovery_esxi_software_via_find.toml
* Update discovery_esxi_software_via_grep.toml
* Update discovery_linux_hping_activity.toml
* Update discovery_linux_nping_activity.toml
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-03-07 09:53:46 +01:00
Ruben Groenewoud
83abf8d42c
[Tuning] Auditbeat event.action Compatibility ( #3471 )
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Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-03-06 15:28:28 +01:00
Ruben Groenewoud
5a80423003
[BBR Promotion] Linux BBR --> DR Promotion ( #3472 )
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* [BBR Promotion] Linux BBR --> DR Promotion
* [BBR Promotion] Linux BBR --> DR Promotion
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-03-06 10:49:42 -03:00
Ruben Groenewoud
089e6671aa
[Tuning] Linux DR Tuning - Part 4 ( #3455 )
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* [Tuning] Linux DR Tuning - Part 4
* Update defense_evasion_file_mod_writable_dir.toml
* Update defense_evasion_hidden_file_dir_tmp.toml
2024-02-20 15:38:54 +01:00
Ruben Groenewoud
3484cac7eb
[Tuning] Event.dataset removal & Tag Addition ( #3451 )
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* [Tuning] Removed event.dataset and added tag
* [Tuning] Removed event.dataset and added tag
* fixed typo
---------
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com >
2024-02-20 15:18:27 +01:00
Ruben Groenewoud
5e6e4a359b
[Tuning] Linux DR Tuning - Part 3 ( #3454 )
2024-02-20 14:50:58 +01:00
Ruben Groenewoud
1dc7fd6a42
[Tuning] Linux DR Tuning - Part 1 ( #3452 )
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* [Tuning] Linux DR Tuning - Part 1
* Update command_and_control_linux_tunneling_and_port_forwarding.toml
* Update command_and_control_cat_network_activity.toml
2024-02-20 14:38:19 +01:00
Ruben Groenewoud
0e48747aa6
[Tuning] Linux DR Tuning - Part 2 ( #3453 )
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* [Tuning] Linux DR Tuning - Part 2
* Update defense_evasion_binary_copied_to_suspicious_directory.toml
* Update defense_evasion_base16_or_base32_encoding_or_decoding_activity.toml
2024-02-20 14:17:17 +01:00
Ruben Groenewoud
d41855a2ac
[New Rules] DDExec Analysis ( #3408 )
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* [New Rules] DDExec Analysis
* Increased rule scope
* [New Rule] Dynamic Linker Discovery via od
* Revert "[New Rule] Dynamic Linker Discovery via od"
This reverts commit c58595b77f517d3f236a64a52c38804253db64cc.
* [New Rule] Dynamic Linker Discovery via od
* [New Rule] Potential Memory Seeking Activity
* [New BBR] Suspicious Memory grep Activity
* Added endgame + auditd_manager support
* Removed auditd_manager support for now
* Removed auditd_manager support for now
* Update discovery_suspicious_memory_grep_activity.toml
---------
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
2024-02-06 14:47:37 +01:00
Ruben Groenewoud
90d64f0714
[New Rule] Executable Masquerading as Kernel Process ( #3421 )
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* [New Rule] Executable Masquerading as Kernel Proc
* Bumped dates
* Added endgame support
* Added auditd_manager support
* Removed auditd_manager support for now
2024-02-06 10:49:36 +01:00
Ruben Groenewoud
208b2e999c
[New Rules] APT Package Manager Persistence ( #3418 )
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* [New Rule] apt Package Manager Persistence
* [New Rules] APT Package Manager Persistence
* [New Rules] APT Package Manager Persistence
2024-02-06 10:29:27 +01:00
Ruben Groenewoud
4f303ab77e
[New Rule] Suspicious Network Connection via systemd ( #3420 )
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* [New Rule] Network Connection via systemd
* Removed space from description
* Added updated query
2024-02-06 10:19:42 +01:00
Ruben Groenewoud
381ccf43ed
[New Rule] Suspicious Passwd File Event Action ( #3396 )
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* [New Rule] Suspicious Passwd File Event Action
* Description fix
* Pot. UT fix
* Pot. UT fix.
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-01-26 09:36:56 +01:00
Ruben Groenewoud
48d8b650e5
[New Rule] Potential Buffer Overflow Attack Detected ( #3312 )
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* [New Rule] Potential Buffer Overflow Attack
* Added timestamp_override
* Update privilege_escalation_potential_bufferoverflow_attack.toml
* Update privilege_escalation_potential_bufferoverflow_attack.toml
* Update rules/linux/privilege_escalation_potential_bufferoverflow_attack.toml
* Update rules/linux/privilege_escalation_potential_bufferoverflow_attack.toml
---------
Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com >
2024-01-22 16:28:22 +01:00
Ruben Groenewoud
ec5f4d596c
[New Rule] Chroot Container Escape via Mount ( #3387 )
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* [New Rule] Chroot Container Escape via Mount
* description fix
2024-01-22 09:17:53 +01:00
Ruben Groenewoud
26747aa8a4
[Security Content] Add Investigation Guides to Linux Persistence Rules - 2 ( #3350 )
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* [Security Content] Add IGs to Persistence - 2
* [Security Content] Add IGs to Persistence - 2
* fixes
* fix
* added ig note
2024-01-20 19:36:32 +01:00
shashank-elastic
1a2ef4b867
Linux Process Capabilities Enrichment Detection Rules ( #3366 )
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Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com
2024-01-18 22:49:43 +05:30
Terrance DeJesus
1c10c37468
[Rule Tuning] Update timestamp_override Unit Tests and Fix Rules Missing Field ( #3368 )
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* updated timestamp override unit test; fixed rules missing this field
* fixed flake error
* simplified and consolidated logic
* Update tests/test_all_rules.py
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com >
* Update tests/test_all_rules.py
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com >
* added comments
* updated logic; added comments; removed unused variables
* removed custom python script
* updated dates
* removed deprecated rule change
* updated dates
---------
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com >
2024-01-17 14:14:38 -05:00
Ruben Groenewoud
4301dacfb8
[New Rule] Network Connection via Sudo Binary ( #3389 )
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* [New Rule] Network Connection via Sudo Binary
* description grammar fix
2024-01-17 09:47:58 +01:00
Ruben Groenewoud
a9285445cf
[New Rule] Kernel Driver Load by non-root User ( #3378 )
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* [New Rule] Kernel Driver Load by non-root User
* setup note change
* removed unnecessary index
2024-01-17 09:34:25 +01:00
shashank-elastic
24d5528ab0
Linux Rule Tuning ( #3379 )
2024-01-11 18:07:03 +05:30
Ruben Groenewoud
df86882036
[Rule Tuning] Dynamic Linker Copy ( #3349 )
2024-01-08 10:56:31 +01:00
Ruben Groenewoud
6c91c1597d
[Rule Tuning] Linux DR Tuning - Part 3 ( #3322 )
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* [Rule Tuning] Linux DR Tuning - Part 3
* small fix
* typo
* coffee
* Update persistence_cron_job_creation.toml
* Update persistence_shared_object_creation.toml
2024-01-08 10:16:44 +01:00
Ruben Groenewoud
36226e5428
[Rule Tuning] Linux DR Tuning - Part 2 ( #3321 )
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* [Rule Tuning] Linux DR Tuning - Part 2
* [Rule Tuning] Linux DR Tuning - Part 2
* fix
* Update execution_shell_suspicious_parent_child_revshell_linux.toml
2024-01-08 10:07:38 +01:00
Ruben Groenewoud
b533642272
[Rule Tuning] Linux DR Tuning - Part 1 ( #3316 )
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* [Rule Tuning] Linux DR Tuning - Part 1
* fix
* Update command_and_control_linux_kworker_netcon.toml
* Update defense_evasion_binary_copied_to_suspicious_directory.toml
* Update defense_evasion_file_mod_writable_dir.toml
2024-01-08 09:50:15 +01:00
Ruben Groenewoud
91a757a018
[Security Content] Add Investigation Guides to Linux C2 Rules ( #3247 )
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* [Security Content] Add Investigation Guides to Linux C2 Rules
* Applied feedback
2023-12-18 17:02:40 +01:00
Ruben Groenewoud
84824c67fd
[Tuning & New Rule] Linux Reverse Shell & DR Tuning ( #3254 )
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* [Rule Tuning & New Rule] Linux Reverse Shell
* [Tuning & New Rule] Linux Reverse Shells
* Name change
* Update rules/linux/execution_shell_via_child_tcp_utility_linux.toml
Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com >
* Update execution_shell_via_child_tcp_utility_linux.toml
* Update execution_shell_via_background_process.toml
---------
Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com >
2023-12-18 09:36:21 +01:00
Ruben Groenewoud
6c614eb102
[Security Content] Add Investigation Guides to Linux Persistence Rules - 1 ( #3288 )
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* [Security Content] Add IGs to Persistence Rules
* Cleaned query
* IG description fix
* Added related rules
---------
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com >
2023-12-11 13:53:06 +01:00
Ruben Groenewoud
840958d117
[New Rule] Suspicious File Creation via Kworker ( #3237 )
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* [New Rule] Suspicious File Creation via Kworker
* Update rules/linux/persistence_kworker_file_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-12-07 23:02:00 +01:00
Ruben Groenewoud
9c61231dc6
[New Rule] UID Elevation from Unknown Executable ( #3239 )
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* [New Rule] UID Elevation from Unknown Executable
* type change
* bump min stack
* Added additional exclusions
* Update rules/linux/privilege_escalation_uid_elevation_from_unknown_executable.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/privilege_escalation_uid_elevation_from_unknown_executable.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/privilege_escalation_uid_elevation_from_unknown_executable.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-12-07 22:25:01 +01:00
Ruben Groenewoud
1071b12f00
[New Rule] Suspicious Kworker UID Elevation ( #3238 )
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* [New Rule] Suspicious Kworker UID Elevation
* Update privilege_escalation_kworker_uid_elevation.toml
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2023-12-07 20:59:07 +01:00
Ruben Groenewoud
38862b89e9
[Tuning] Small Linux DR Tuning ( #3287 )
2023-12-07 12:45:24 +01:00
shashank-elastic
d52546eee5
Enhance Setup Guide information ( #3256 )
2023-11-03 19:05:29 +05:30
shashank-elastic
5c5d1b214b
Setup information for Linux Rules - Set8 ( #3200 )
2023-10-30 20:58:40 +05:30