4233fef238
[Security Content] Include "Data Source: Elastic Defend" tag ( #3002 )
...
* win folder
* Other folders
* Update test_all_rules.py
* .
* updated missing elastic defend tags
---------
Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co >
2023-09-05 14:22:01 -04:00
6115a68aba
[Rule Tuning] Small Linux DR Tuning ( #3074 )
...
* [Rule tuning] Adressing community issue
* Changed title
* Changed IG title
2023-09-05 14:20:57 +02:00
3c64b454fb
[New Rule] Sus User Privilege Enumeration via id ( #3049 )
2023-08-31 18:13:42 +02:00
f7d8d4752a
[New Rules] GDB Secret Dumping ( #3060 )
...
* [New Rules] GDB Secret Dumping
* Added references to BBR
* Update rules/linux/credential_access_gdb_init_memory_dump.toml
* Update rules_building_block/credential_access_gdb_memory_dump.toml
* Update rules_building_block/credential_access_gdb_memory_dump.toml
* Update rules_building_block/credential_access_gdb_memory_dump.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
---------
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-08-31 17:41:22 +02:00
b6ed215958
[New Rule] File Creation, Exec and Self-Deletion ( #3045 )
...
* [New Rule] File Creation, Exec and Self-Deletion
* Update execution_file_execution_followed_by_deletion.toml
* Update execution_file_execution_followed_by_deletion.toml
* Update execution_file_execution_followed_by_deletion.toml
* Update execution_file_execution_followed_by_deletion.toml
---------
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
2023-08-31 17:32:17 +02:00
3588600d57
[Rule Tuning] 3 tunings to reduce FPs ( #3058 )
...
* [Rule Tuning] 2 tunings to reduce FPs back to 0
* Added one more tune for community issue #3041
* Update rules/linux/execution_abnormal_process_id_file_created.toml
* Update rules/linux/execution_abnormal_process_id_file_created.toml
2023-08-31 17:16:57 +02:00
2eaaf27f1e
[New Rule] Potential Disabling of AppArmor ( #3046 )
...
* [New Rule] Potential Disabling of AppArmor
* Update rules/linux/defense_evasion_disable_apparmor_attempt.toml
* Update rules/linux/defense_evasion_disable_apparmor_attempt.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
---------
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-08-31 17:06:15 +02:00
d838a3352f
[New Rule] Binary Copied and/or Moved to Suspicious Directory ( #3048 )
...
* [New Rule] Binary Copied and/or Moved to sus dir
* Update rules/linux/defense_evasion_binary_copied_to_suspicious_directory.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/defense_evasion_binary_copied_to_suspicious_directory.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/defense_evasion_binary_copied_to_suspicious_directory.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
---------
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-08-31 13:46:41 +02:00
a5b5d513af
[New Rule] Potential Sudo Privilege Escalation via CVE-2019-14287 ( #3057 )
...
* [New Rule] Sudo PE via CVE-2019-14287
* Added Elastic Defend Data Source tag
* Update rules/linux/privilege_escalation_sudo_cve_2019_14287.toml
* Update rules/linux/privilege_escalation_sudo_cve_2019_14287.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
---------
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-08-31 13:11:34 +02:00
a395f54054
[New Rules] sus program compilation activity ( #3043 )
2023-08-31 09:30:56 +02:00
32abdb95f7
[New Rules] Linux Tunneling and Port Forwarding ( #3028 )
...
* Removed iodine rule due to new tunneling rule
* [New Rules] Linux Tunneling and Port Forwarding
* added ash
* Fixed description styling
* Changed rule name
* Update command_and_control_linux_suspicious_proxychains_activity.toml
* Added deprecation note & name change
* Changed deprecation status
* Removed deprecation date
* Fixed unit testing
* Update rules_building_block/command_and_control_linux_ssh_x11_forwarding.toml
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2023-08-30 22:12:19 +02:00
a1716bd673
[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 >
2023-08-25 14:03:29 +02:00
e938ed28a0
[Rule Tuning] added additional event action ( #3008 )
2023-08-10 16:59:07 +02:00
4cbfd7c4ae
[Rule Tuning] Restricted Shell Breakout ( #2999 )
2023-08-04 19:30:18 +02:00
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
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
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
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
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
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
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
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
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
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
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
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
0666b594c6
[New Rule] Linux Local Account Brute Force ( #2965 )
2023-07-27 09:43:53 +02:00
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 >
---------
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-07-26 15:58:33 +02:00
6527eb0500
Rule Tuning File Permission Modification in Writable Directory ( #2961 )
2023-07-26 17:47:00 +05:30
056db6003e
[Security Content] Added Compatibility note to all IGs ( #2943 )
...
* added investigation guide note
* added ig notes
* Update rules/linux/persistence_init_d_file_creation.toml
Co-authored-by: Nastasha Solomon <79124755+nastasha-solomon@users.noreply.github.com >
* implemented note feedback
* Update rules/linux/persistence_init_d_file_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
---------
Co-authored-by: Nastasha Solomon <79124755+nastasha-solomon@users.noreply.github.com >
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-07-26 12:54:50 +02:00
dbd7ed65a9
[Tuning] Reverse Shell Rules ( #2959 )
...
* [Rule Tuning] Reverse Shell Rule destination.ip tuning
* Updated updated_date
2023-07-25 14:55:56 +02:00
8de2684498
[Security Content] Add Investigation Guides to Linux DRs 8.9 ( #2868 )
...
* [Investigation Guide] 10 new Linux IG's 8.9
* Added 4 more IG tags
* Update rules/linux/persistence_init_d_file_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_init_d_file_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_init_d_file_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_init_d_file_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_init_d_file_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_rc_script_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_rc_script_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_systemd_scheduled_timer_created.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_systemd_scheduled_timer_created.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_systemd_scheduled_timer_created.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_init_d_file_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_linux_backdoor_user_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_linux_backdoor_user_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_linux_backdoor_user_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_linux_shell_activity_via_web_server.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_linux_user_account_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_linux_user_added_to_privileged_group.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_message_of_the_day_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_message_of_the_day_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_message_of_the_day_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_message_of_the_day_execution.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_message_of_the_day_execution.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_rc_script_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_rc_script_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_rc_script_creation.toml
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
* Update rules/linux/persistence_message_of_the_day_execution.toml
* Update rules/linux/persistence_init_d_file_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/persistence_init_d_file_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/persistence_linux_shell_activity_via_web_server.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/persistence_rc_script_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/persistence_systemd_scheduled_timer_created.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/persistence_systemd_scheduled_timer_created.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* implemented feedback
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com >
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-07-19 17:13:24 +02:00
3ed8c56942
DR Linux Rule Tuning 8.9 ( #2859 )
...
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com >
2023-07-10 20:02:42 +05:30
e5d6d6e4a7
[New Rule] sus cmds executed by unknown executable ( #2858 )
...
* [New Rule] sus cmds executed by unknown executable
* added an event.action filter
* Added endgame support, fixed stack version comment
* Update execution_suspicious_executable_running_system_commands.toml
* Update rules/linux/execution_suspicious_executable_running_system_commands.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update execution_suspicious_executable_running_system_commands.toml
---------
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-07-06 17:32:56 +02:00
4e0b7427b7
[New Rules] ftp/rdp bruteforce ( #2910 )
...
* [New Rules] ftp/rdp bruteforce
* Update credential_access_potential_successful_linux_ftp_bruteforce.toml
* Update credential_access_potential_successful_linux_rdp_bruteforce.toml
* Update non-ecs-schema.json
* Update rules/linux/credential_access_potential_successful_linux_ftp_bruteforce.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/credential_access_potential_successful_linux_ftp_bruteforce.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/credential_access_potential_successful_linux_rdp_bruteforce.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/credential_access_potential_successful_linux_rdp_bruteforce.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
---------
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-07-06 17:16:01 +02:00
d5dee5a6c8
[New Rules] sysctl and modprobe enumeration ( #2844 )
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* [New Rules] sysctl and modprobe enumeration
* Update discovery_linux_modprobe_enumeration.toml
* Update discovery_linux_sysctl_enumeration.toml
* reverted manifest/schema update
* updated tags
* Update discovery_linux_modprobe_enumeration.toml
2023-07-06 16:46:54 +02:00
64b3fa8d1d
[New Rule] Kernel Load/Unload via Kexec Detected ( #2846 )
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* [New Rule] Kernel Load/Unload via Kexec
* Added additional references
* changed rule name
* changed the query to be more precise
* Update rules/linux/privilege_escalation_load_and_unload_of_kernel_via_kexec.toml
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com >
* changed description based on feedback
* Update rules/linux/privilege_escalation_load_and_unload_of_kernel_via_kexec.toml
Co-authored-by: eric-forte-elastic <119343520+eric-forte-elastic@users.noreply.github.com >
* Update privilege_escalation_load_and_unload_of_kernel_via_kexec.toml
---------
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com >
Co-authored-by: eric-forte-elastic <119343520+eric-forte-elastic@users.noreply.github.com >
2023-07-06 16:03:27 +02:00
646c316b66
[New Rules] Linux Reverse Shells ( #2905 )
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* [New Rules] Linux Reverse Shells
* [New Rules] Linux Reverse Shells
* Update rules/linux/execution_shell_via_udp_cli_utility_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_via_java_revshell_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_via_java_revshell_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_via_java_revshell_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_suspicious_parent_child_revshell_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_via_udp_cli_utility_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_via_udp_cli_utility_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_via_reverse_tcp_utility_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_via_reverse_tcp_utility_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_suspicious_parent_child_revshell_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_suspicious_parent_child_revshell_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Delete UDP rule to add in separate PR
* Update rules/linux/execution_shell_via_lolbin_interpreter_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_via_tcp_cli_utility_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_via_reverse_tcp_utility_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_via_tcp_cli_utility_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/execution_shell_via_tcp_cli_utility_linux.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Deleted one rule and tuned the others
* Improved the rules' performance
* Added the reverse_tcp rule back after tuning
* Update execution_shell_via_lolbin_interpreter_linux.toml
---------
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
2023-07-06 15:27:57 +02:00
78055bbeee
[New Rule] Suspicious Proc Enumeration ( #2845 )
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* [New Rule] Suspicious Proc Enumeration
* Update rules/linux/discovery_suspicious_proc_enumeration.toml
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com >
* Update rules/linux/discovery_suspicious_proc_enumeration.toml
Co-authored-by: eric-forte-elastic <119343520+eric-forte-elastic@users.noreply.github.com >
* fix tags
---------
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com >
Co-authored-by: eric-forte-elastic <119343520+eric-forte-elastic@users.noreply.github.com >
2023-07-04 11:34:56 +02:00
7a1f376a34
[New Rules] Conversion of deprecated ERs over to DRs ( #2877 )
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* [Conversion] Data Encrypted via OpenSSL
* [Conversion] sus funzip extraction/decompression
* [Conversion] LD_PRELOAD env var process injection
* fix unit testing failure
* suspecting endgame incompatibility
* fixed typo
* added LD_LIBRARY_PATH
* Update defense_evasion_ld_preload_env_variable_process_injection.toml
* Update defense_evasion_ld_preload_env_variable_process_injection.toml
* Added exclusions for FPs
* Update rules/linux/defense_evasion_ld_preload_env_variable_process_injection.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/impact_data_encrypted_via_openssl.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
---------
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
2023-07-02 10:39:44 +02:00
9794f8f0af
[New Rule] Postgresql Code Execution ( #2863 )
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* [New Rule] Postgresql Code Execution
* Update rules/linux/execution_remote_code_execution_via_postgresql.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update execution_remote_code_execution_via_postgresql.toml
---------
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-06-30 13:17:24 +02:00
aaa4ce2ea0
[BUG] test_all_rule_queries_optimized does not run on rules ( #2823 )
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* Fixed kql -> kuery in test_all_rule_queries_opt...
* all queries optimized
* manually reconciled all rules that failed due to toml escaped chars
* merge rules from main
* Rules needing optimization
* Fix optimized note
* fix another note
* another note fix
* fixing whitespace
* Updated for readability
---------
Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co >
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com >
2023-06-23 10:58:31 -04:00
b4c84e8a40
[Security Content] Tags Reform ( #2725 )
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* Update Tags
* Bump updated date separately to be easy to revert if needed
* Update resource_development_ml_linux_anomalous_compiler_activity.toml
* Apply changes from the discussion
* Update persistence_init_d_file_creation.toml
* Update defense_evasion_timestomp_sysmon.toml
* Update defense_evasion_application_removed_from_blocklist_in_google_workspace.toml
* Update missing Tactic tags
* Update unit tests to match new tags
* Add missing IG tags
* Delete okta_threat_detected_by_okta_threatinsight.toml
* Update command_and_control_google_drive_malicious_file_download.toml
* Update persistence_rc_script_creation.toml
* Mass bump
* Update persistence_shell_activity_by_web_server.toml
* .
---------
Co-authored-by: Mika Ayenson <Mika.ayenson@elastic.co >
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com >
2023-06-22 18:38:56 -03:00
7c5f17e30c
[New Rules] User / Group Creation & Privileged Group Addition ( #2546 )
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* [New Rules] user/group creation
* Update rules/linux/persistence_linux_group_creation.toml
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com >
* Update rules/linux/persistence_linux_user_account_creation.toml
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com >
* Update rules/linux/persistence_linux_user_added_to_privileged_group.toml
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com >
* added backdoor user account
* added host.os.type == linux for unit testing fix
* unit testing fixes
* Update rules/linux/persistence_linux_backdoor_user_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/persistence_linux_backdoor_user_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Added OSQuery to Investigation Guides
* Update rules/linux/persistence_linux_backdoor_user_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/persistence_linux_backdoor_user_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* removed investigation guides to add in future PR
* Fixed some issues with the rules
* fixed typo
* Update rules/linux/persistence_linux_backdoor_user_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/persistence_linux_user_account_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/persistence_linux_user_added_to_privileged_group.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/persistence_linux_group_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
---------
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com >
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-06-22 15:15:48 +02:00
71186c8788
[Rule Tuning] Potential Persistence Through Run Control Detected ( #2857 )
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* [Rule Tuning] changed rule type to new_terms
* Updated min stack comment
* Update persistence_rc_script_creation.toml
* Changed description, removed file.path from new_terms field because it is not necessary
* added host.id to new terms field and bumped up min stack
2023-06-22 13:39:36 +02:00
7d64dc2a87
[Rule tunings / New Rule] Kernel Unload and Enumeration ( #2838 )
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* [Rule Tunings] Kernel Module Enumeration / Removal
* [Rule Tunings] Kernel Module Enumeration and Removal
* Deleted copy of wrong file
* EQL Conversion and made the rule more resilient
* Converted rules to EQL and made rules more resilient
* Removed unwanted rule from PR
* fixed unit tests
* fixed unit testing, removed endgame support
* Added a rule to detect kernel module enum via proc
* Did some additional tuning, 0 hits in RedSector now
2023-06-22 10:11:52 +02:00
dc05f1d8f3
[New Rule] Sus Network Activity from Unknown Executable ( #2856 )
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* [New Rule] Sus Network Activity from Unknown Executable
* Update command_and_control_suspicious_network_activity_from_unknown_executable.toml
* Update rules/linux/command_and_control_suspicious_network_activity_from_unknown_executable.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/command_and_control_suspicious_network_activity_from_unknown_executable.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* added endgame support, changed min stack comment
* Update rules/linux/command_and_control_suspicious_network_activity_from_unknown_executable.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
---------
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-06-14 23:27:29 +02:00
b4a218ed1c
[New Rule] Shared Object Created ( #2848 )
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* [New Rule] Shared Object Created or Changed
* Removed sub technique
* Update rules/linux/persistence_shared_object_creation.toml
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com >
* changed description slightly
* Update rules/linux/persistence_shared_object_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update rules/linux/persistence_shared_object_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* added T1574.006
---------
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com >
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
2023-06-13 22:51:07 +02:00
4f9f28c370
[New Rules] Cron Job / Systemd Service Creation ( #2847 )
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* [New Rules] Cron Job/Systemd Service Creation
* Added execution to tags
* Added additional EndGame Support
* Update rules/linux/persistence_cron_job_creation.toml
Co-authored-by: eric-forte-elastic <119343520+eric-forte-elastic@users.noreply.github.com >
* Update rules/linux/persistence_systemd_service_creation.toml
Co-authored-by: eric-forte-elastic <119343520+eric-forte-elastic@users.noreply.github.com >
---------
Co-authored-by: eric-forte-elastic <119343520+eric-forte-elastic@users.noreply.github.com >
2023-06-13 09:44:44 +02:00
644d2f5b26
[New Rule] New Systemd Timer Created ( #2601 )
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* [New Rule] New Systemd Timer Created
* improve query runtime performance
* added process.name entries for alert reduction
* attempt to fix gh unit testing failure
* added host.os.type==linux to fix unit test error
* Added OSQuery to investigation guides
* added additional process names
* removed investigation guides to add in future PR
* removed investigation guide tag
* Changed rule to new_terms rule to reduce FPs
* fixed query
* formatting fix
* Learnt another thing about KQL.. Formatting fix.
* unit test fix
* Update rules/linux/persistence_systemd_scheduled_timer_created.toml
Co-authored-by: eric-forte-elastic <119343520+eric-forte-elastic@users.noreply.github.com >
---------
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com >
Co-authored-by: eric-forte-elastic <119343520+eric-forte-elastic@users.noreply.github.com >
2023-06-13 09:15:47 +02:00
Jonhnathan