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1498 Commits

Author SHA1 Message Date
Terrance DeJesus 020ca4be24 [New Rule] Rapid7 Threat Command CVEs Correlation (#3718) 
* new rule 'Rapid7 Threat Command CVEs Correlation'

* Update rules/threat_intel/threat_intel_rapid7_threat_command.toml

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

* updated threat index and tags

* changed 'indicator match' to 'threat match' for tags

* removed timeline

* updating integrations to match main

* re-adding rapid7 threat command integration manifest and schema

* reverting changes; removing timeline

* changed max signals to 10000

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
 2024-06-12 18:01:44 -04:00
Jonhnathan 4eff7c6c87 [New Rule] Potential DNS Server Privilege Escalation via ServerLevelPluginDll (#3717) 
* [New Rule] Potential DNS Server Privilege Escalation via ServerLevelPluginDll

* Update privilege_escalation_dns_serverlevelplugindll.toml

* Update privilege_escalation_dns_serverlevelplugindll.toml

* Update rules/windows/privilege_escalation_dns_serverlevelplugindll.toml

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
 2024-06-12 15:18:31 -03:00
shashank-elastic 89d89f15d2 Update FIM integration Setup sequence (#3781) 2024-06-12 16:40:45 +05:30
shashank-elastic 0a69c19c83 Update Minstack versions for SentinelOne rules (#3777) 2024-06-11 18:58:26 +05:30
James Valente 8baf5dc2d8 Add exceptions to C2 Beaconing Activity (#3771) 2024-06-11 18:43:46 +05:30
Ruben Groenewoud ec223a4a05 [New Rule] Suspicious File Modification (#3746) 
* [New Rule] Suspicious File Modification

* Update persistence_suspicious_file_modifications.toml

* Update rules/linux/persistence_suspicious_file_modifications.toml

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

* Update rules/linux/persistence_suspicious_file_modifications.toml

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

* Updates

* Update rules/integrations/fim/persistence_suspicious_file_modifications.toml

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
 2024-06-11 13:03:20 +02:00
Ruben Groenewoud c87c4c9f5d [New Rules] PAM Module Creation & Unusual PAM Grantor (#3743) 
* [New Rules] PAM Module Creation & Unusual PAM Grantor

* Update persistence_unusual_pam_grantor.toml

* Update persistence_pluggable_authentication_module_creation.toml

* Update rules/linux/persistence_pluggable_authentication_module_creation.toml

* Update persistence_pluggable_authentication_module_creation.toml

* Update persistence_unusual_pam_grantor.toml

* Update rules/linux/persistence_pluggable_authentication_module_creation.toml
 2024-06-11 11:51:33 +02:00
Ruben Groenewoud 4cf0c2b9af [Rule Tuning] Systemd-udevd Rule File Creation (#3738) 
* [Rule Tuning] Systemd-udevd Rule File Creation

* Incompatible endgame field

* Update rules/linux/persistence_udev_rule_creation.toml

* Update rules/linux/persistence_udev_rule_creation.toml

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

* Update rules/linux/persistence_udev_rule_creation.toml

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

* Update persistence_udev_rule_creation.toml

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
 2024-06-11 11:40:54 +02:00
Ruben Groenewoud 4003219aa1 [New Rule] APT Package Manager Configuration File Creation (#3739) 
* [New Rule] APT Package Manager Configuration File Creation

* Update rules/linux/persistence_apt_package_manager_file_creation.toml

* Update persistence_apt_package_manager_file_creation.toml
 2024-06-11 09:43:35 +02:00
Terrance DeJesus 62eea772d0 [New Rule] AWS S3 Bucket Ransom Note Uploaded (#3604) 
* new rule 'AWS S3 Bucket Object Retrieval, Deletion, and Potential Ransom Note Replacement'

* fixed technique mapping

* added investigation guide; added more ransom note extensions

* adjusted lookback and maxspan

* added  API call to second sequence

* updating date

* Update rules/integrations/aws/impact_s3_bucket_object_deletion_and_ransomware_note_added.toml

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

* Update rules/integrations/aws/impact_s3_bucket_object_deletion_and_ransomware_note_added.toml

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

* changed rule to ESQL; updated investigation guide

* changed file name

* removed txt, ecc, and note

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2024-06-10 10:47:20 -04:00
Ruben Groenewoud 74f049cc7c [New Rule] Network Connection Initiated by SSH Parent Process (#3759) 
* [New Rule] Network Connection Initiated by SSH Parent Process

* Update persistence_ssh_netcon.toml

* Update rules/linux/persistence_ssh_netcon.toml

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

* Update rules/linux/persistence_ssh_netcon.toml

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

* Update persistence_ssh_netcon.toml

* Update persistence_ssh_netcon.toml

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
 2024-06-10 10:30:45 +02:00
Ruben Groenewoud 29bb52d2fb [New Rule] Netcon through XDG Autostart Entry (#3741) 
* [New Rule] Netcon through XDG Autostart Entry

* Update rules/linux/persistence_xdg_autostart_netcon.toml

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

* Update persistence_xdg_autostart_netcon.toml

* Update persistence_xdg_autostart_netcon.toml

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
 2024-06-10 10:17:09 +02:00
Ruben Groenewoud 70496f813f [New Rule] Executable Bit Set for rc.local/rc.common (#3736) 
* [New Rule] Executable Bit Set for rc.local/rc.common

* Endgame compatibility

* Update rules/linux/persistence_rc_local_common_executable_bit_set.toml
 2024-06-10 09:57:14 +02:00
Isai e1cbf9f684 [New rules] AWS IAM AdministratorAccess Policy Attached to : User, Group, Role(es|ql) (#3735) 
* [New Rule] AWS IAM AdministratorAccess Policy Attached to User

issue...

* add source.address and source.geo.location

* fix threat tactic ids

* AdministratorAccess Policy Attached to Group

* AdminstratoAccess Policy Attached to Role

* reduce severity to medium

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

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2024-06-07 18:31:06 -04:00
Jonhnathan 087e8a6e85 [Rule Tuning] User Added to Privileged Group (#3763) 
* [New Rule] User Added to Privileged Group

* add more groups

* Update rules/windows/persistence_user_account_added_to_privileged_group_ad.toml

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

* Update persistence_user_account_added_to_privileged_group_ad.toml

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
 2024-06-07 13:43:30 -03:00
Ruben Groenewoud d3e2f70ce2 [New Rule] Process Capability Set via setcap Utility (#3744) 
* [New Rule] Process Capability Set via setcap Utility

* ++

* Update rules/linux/persistence_process_capability_set_via_setcap.toml
 2024-06-06 12:44:31 +02:00
Ruben Groenewoud 8e6114f76c [Rule Tuning] System Binary Moved or Copied (#3742) 
* [Rule Tuning] System Binary Moved or Copied

* Added reference

* Update defense_evasion_binary_copied_to_suspicious_directory.toml

* Update defense_evasion_binary_copied_to_suspicious_directory.toml
 2024-06-06 12:24:48 +02:00
Ruben Groenewoud 61ab035f41 [Rule Tuning] Potential Sudo Hijacking (#3745) 
* [Rule Tuning] Potential Sudo Hijacking

* Update rules/linux/privilege_escalation_sudo_hijacking.toml

* Update rules/linux/privilege_escalation_sudo_hijacking.toml
 2024-06-06 11:59:26 +02:00
Ruben Groenewoud 342fde097f [New Rule] SSH Key Generated via ssh-keygen (#3731) 
* [New Rule] SSH Key Generated via ssh-keygen

* ++

* Update rules/linux/persistence_ssh_key_generation.toml

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2024-06-06 11:50:38 +02:00
Terrance DeJesus 9f67585332 [New Rule] AWS EC2 Instance Connect SSH Public Key Uploaded (#3634) 
* new rule 'AWS EC2 Instance Connect SSH Public Key Uploaded'

* changed tactic to privilege escalation

* added additional reference

* added investigation guide

* updated summary

* changed risk score to medium; adjusted tags

* fixed mitre mapping

* Update rules/integrations/aws/privilege_escalation_ec2_instance_connect_ssh_public_key_uploaded.toml

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

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2024-06-05 10:33:42 -04:00
Terrance DeJesus 05ac4e1bd3 [New Rule] AWS Systems Manager SecureString Parameter Request with Decryption Flag (#3590) 
* new rule 'First Occurrence of Resource Accessing AWS Systems Manager SecureString Parameters with Decryption Flag'

* updated rule contents

* added investigation guide; changed new terms to uder.id

* adjusted time window

* adjusted rule name

* updated query, adjusted new terms value
 2024-06-05 10:22:38 -04:00
Terrance DeJesus c77eb1d915 [New Rule] AWS IAM Roles Anywhere Profile Creation and Trusted Anchor with External CA Created (#3609) 
* new rule 'AWS IAM Roles Anywhere Role Creation'

* adjusted rule to focus on Roles Anywhere profile creation

* added rule for roles anywhere trusted anchor; updated rule file naming

* added investigation guide

* added investigation guide

* adjusted rule and file name

* Update rules/integrations/aws/persistence_iam_roles_anywhere_trusted_anchor_created_with_external_ca.toml

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

* Update rules/integrations/aws/persistence_iam_roles_anywhere_trusted_anchor_created_with_external_ca.toml

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

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2024-06-05 10:10:53 -04:00
Ruben Groenewoud 5f36f3a03e [Rule Tuning] Shell Configuration Creation or Modification (#3732) 
* [Rule Tuning] Shell Configuration Creation or Modification

* Incompatible endgame field

* Update rules/linux/persistence_shell_configuration_modification.toml

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

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
 2024-06-05 10:28:13 +02:00
Ruben Groenewoud e41a57f2ad [Rule Tuning] Message-of-the-Day (MOTD) (#3730) 
* [Rule Tuning] Message-of-the-Day (MOTD)

* Update persistence_message_of_the_day_creation.toml

* ++

* Incompatible endgame field

* Update rules/linux/persistence_message_of_the_day_creation.toml

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

* Update rules/linux/persistence_message_of_the_day_execution.toml

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

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
 2024-06-05 10:18:30 +02:00
Ruben Groenewoud bebf671881 [Rule Tuning] Systemd Service & Timer (#3728) 
* [Rule Tuning] Systemd Service & Timer

* Update

* Update persistence_systemd_scheduled_timer_created.toml

* Update persistence_systemd_service_creation.toml

* ++

* Incompatible endgame field

* Update rules/linux/persistence_systemd_service_creation.toml

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

* Update rules/linux/persistence_systemd_scheduled_timer_created.toml

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

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
 2024-06-05 10:01:15 +02:00
Ruben Groenewoud 81ee6380ec [New Rule & Tuning] (Ana)Cron & At Job Creation (#3726) 
* [New Rule & Tuning] (Ana)Cron & At Job Creation

* Update persistence_at_job_creation.toml

* Update persistence_cron_job_creation.toml

* ++

* Incompatible endgame field

* Update rules/linux/persistence_at_job_creation.toml

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

* Update rules/linux/persistence_cron_job_creation.toml

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

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
 2024-06-05 09:53:42 +02:00
shashank-elastic e357a2c050 Refresh MITRE Attack v15.1.0 (#3725) 2024-06-04 20:14:58 +05:30
Terrance DeJesus 59b7e3bde4 [New Rule] Rapid Secret Retrieval Attempts from AWS SecretsManager (#3589) 
* new rule 'Rapid Secret Retrieval Attempts from AWS SecretsManager'

* updated user identity arn to user.id for cross-service password retrieval

* added investigation guides; bumped dates; adjusted threshold value

* Update rules/integrations/aws/credential_access_rapid_secret_retrieval_attempts_from_secretsmanager.toml

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

* Update rules/integrations/aws/credential_access_rapid_secret_retrieval_attempts_from_secretsmanager.toml

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

* Update rules/integrations/aws/credential_access_new_terms_secretsmanager_getsecretvalue.toml

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

---------

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2024-06-04 09:20:04 -04:00
Ruben Groenewoud 90bb8b53d8 [Rule Tuning] Agent Spoofing (#3729) 2024-06-03 19:28:24 +02:00
Terrance DeJesus 0885032b2c [New Rule] AWS Lambda Function Policy Updated To Allow Public Invocation (#3632) 
* new rule 'AWS Lambda Function Policy Updated To Allow Public Invocation'

* updated rule UUID

* added investigation guide

* Update rules/integrations/aws/persistence_lambda_backdoor_invoke_function_for_any_principal.toml

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

* Update rules/integrations/aws/persistence_lambda_backdoor_invoke_function_for_any_principal.toml

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

* Update rules/integrations/aws/persistence_lambda_backdoor_invoke_function_for_any_principal.toml

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

---------

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2024-06-03 11:42:38 -04:00
Terrance DeJesus 856c6c5a1f [New Rule] AWS EC2 EBS Snapshot Shared with Another Account (#3601) 
* new rule 'AWS EC2 EBS Snapshot Shared with Another Account'

* added investigation guide

* updated rule name

* converted to ES|QL

* reverting non-ecs update
 2024-06-02 10:30:08 -04:00
Terrance DeJesus 70469b4cdb [New Rule] AWS Lambda Layer Added to Existing Function (#3631) 
* new rule 'AWS Lambda Layer Added to Existing Function'

* updated query logic; added investigation note
 2024-06-02 08:41:04 -04:00
Terrance DeJesus 7c82e75cf4 [New Rule] AWS S3 Bucket Policy Added to Share with External Account (#3603) 
* new rule 'AWS S3 Bucket Policy Added to Share with External Account'

* added investigation guide

* Update rules/integrations/aws/exfiltration_s3_bucket_policy_added_for_external_account_access.toml
 2024-06-01 10:31:41 -04:00
Isai 23ce41d8af [New Rule] AWS GetCallerIdentity API Called for the First Time (#3711) 
* [New Rule] AWS GetCallerIdentity API Called for the First Time

issue

* Apply suggestions from code review

name change, false positive additions, remove Setup, change new_terms window from 15d to 10d

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

* Update rules/integrations/aws/discovery_new_terms_sts_getcalleridentity.toml

fixed missing closing quotes

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
 2024-05-31 17:55:06 -04:00
shashank-elastic 418a95205e Remove unwanted backticks (#3724) 2024-05-31 21:46:24 +05:30
James Valente 34294fbe6d Add exceptions to brute force threshold rule. (#3712) 
High volume, machine generated failures or MFA interruptions have been added to the rule.

Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
 2024-05-30 10:12:36 +02:00
Gus Carlock 8b28a515c1 Update rule setup instructions for UEBA packages (#3652) 
* update detection-rules instructions for UEBA packages

---------

Co-authored-by: Susan <23287722+susan-shu-c@users.noreply.github.com>
 2024-05-28 14:21:46 -05:00
Terrance DeJesus d5c57463e1 [New Rule] First Occurrence of AWS Resource Starting SSM Session to EC2 Instance (#3598) 
* new rule 'First Occurrence of AWS Resource Starting SSM Session to EC2 Instance'

* added investigation guide

* changed file name to match tactic

* changed reference

* updated tags

* updated investigation notes

* changed new terms value; adjusted rule name
 2024-05-28 11:23:17 -04:00
Terrance DeJesus 527f785a60 [New Rule] AWS EC2 VPC Security Group Rule Added for Any Address or Remote Access Ports (#3599) 
* new rule 'AWS EC2 VPC Security Group Rule Added for Any Address or Remote Access Ports'

* updated rule name

* changed file name; added false-positive note

* changed rule UUID

* adjusted file name

* updated tags

* added investigation guide; updated query logic

* Update rules/integrations/aws/defense_evasion_vpc_security_group_ingress_rule_added_for_remote_connections.toml

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

* updated query and name

* updated query optimization

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
 2024-05-28 10:49:20 -04:00
Ruben Groenewoud 390629da4e [New Rule & Tunings] Linux Springtail Backdoor (#3692) 
* [New Rules and Tuning] Springtail backdoor

* consistency formatting

* update

* unit testing formatting change

* Update persistence_systemd_service_started.toml

* Update persistence_systemd_service_started.toml

* Update command_and_control_suspicious_network_activity_from_unknown_executable.toml
 2024-05-24 10:10:11 +02:00
Samirbous 603f3c313a Update impact_high_freq_file_renames_by_kernel.toml (#3707) 2024-05-23 17:59:58 +01:00
shashank-elastic 63e91c2f12 Back-porting Version Trimming (#3704) 2024-05-23 00:45:10 +05:30
Mika Ayenson 2c3dbfc039 Revert "Back-porting Version Trimming (#3681)" 
This reverts commit 71d2c59b5c.
 2024-05-22 13:51:46 -05:00
shashank-elastic 71d2c59b5c Back-porting Version Trimming (#3681) 2024-05-23 00:11:50 +05:30
Mika Ayenson 58ba0713fe [New Rule] AWS S3 Bucket Expiration Lifecycle Configuration Added (#3700) 
* new rule 'AWS S3 Bucket Expiration Lifecycle Configuration Added'

* added investigation guide

* updated query logic

---------

Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
 2024-05-21 16:33:17 -05:00
Mika Ayenson ed0038ee1d Revert "[New Rule] AWS S3 Bucket Expiration Lifecycle Configuration Added (#3591)" 
This reverts commit 137b74c3aa.
 2024-05-21 15:53:02 -05:00
Terrance DeJesus 137b74c3aa [New Rule] AWS S3 Bucket Expiration Lifecycle Configuration Added (#3591) 
* new rule 'AWS S3 Bucket Expiration Lifecycle Configuration Added'

* added investigation guide

* updated query logic
 2024-05-20 16:15:46 -04:00
Justin Ibarra ce21acef9c [Bug] Fix test_os_and_platform_in_query test and rules (#3695) 
Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
 2024-05-20 08:43:30 -07:00
Jonhnathan d023ad66b1 [Rule Tuning] Add Initial SentinelOne Compatibility to Windows DRs (#3627) 
* [Rule Tuning] Add Initial SentinelOne Compatibility

* updated definitions.py; updated tags; fixed unit tests

* added prerelease versions for s1 integration; updated build CLI commands to allow prerelease; bumped min-stacks

* updating manifests and integrations

* fixing flake errors

* min_stack

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
 2024-05-20 09:50:57 -03:00
Samirbous ec27bf8545 Update credential_access_suspicious_web_browser_sensitive_file_access.toml (#3691) 2024-05-17 21:30:16 -07:00