Prebuilt rule changes per release

The following lists prebuilt rule updates per release. Only rules with significant modifications to their query or scope are listed. For detailed information about a rule’s changes, see the rule’s description page.

Clearing Windows Event Logs

Disabling Windows Defender Security Settings via PowerShell

Exporting Exchange Mailbox via PowerShell

Hosts File Modified

Incoming DCOM Lateral Movement via MSHTA

Incoming DCOM Lateral Movement with MMC

Incoming DCOM Lateral Movement with ShellBrowserWindow or ShellWindows

Incoming Execution via PowerShell Remoting

Incoming Execution via WinRM Remote Shell

InstallUtil Process Making Network Connections

Kerberos Traffic from Unusual Process

Lateral Tool Transfer

Local Scheduled Task Creation

Microsoft Build Engine Started by a Script Process

Microsoft Exchange Worker Spawning Suspicious Processes

Network Connection via Signed Binary

New ActiveSyncAllowedDeviceID Added via PowerShell

Outbound Scheduled Task Activity via PowerShell

Potential DLL Side-Loading via Microsoft Antimalware Service Executable

Potential SharpRDP Behavior

Potential Windows Error Manager Masquerading

Process Activity via Compiled HTML File

Remote File Download via PowerShell

Remote File Download via Script Interpreter

Remote Scheduled Task Creation

Remotely Started Services via RPC

Scheduled Task Created by a Windows Script

Suspicious MS Office Child Process

Suspicious Zoom Child Process

System Shells via Services

Volume Shadow Copy Deleted or Resized via VssAdmin

WMI Incoming Lateral Movement

Webshell Detection: Script Process Child of Common Web Processes

Windows Defender Exclusions Added via PowerShell

Azure Active Directory High Risk Sign-in

NTDS or SAM Database File Copied

Windows Network Enumeration

Apple Script Execution followed by Network Connection

Attempts to Brute Force a Microsoft 365 User Account

Attempts to Brute Force an Okta User Account

Cobalt Strike Command and Control Beacon

Command Prompt Network Connection

Component Object Model Hijacking

Connection to External Network via Telnet

Connection to Internal Network via Telnet

Creation of Hidden Files and Directories

DNS Activity to the Internet

Default Cobalt Strike Team Server Certificate

Executable File Creation with Multiple Extensions

External Alerts

External IP Lookup from Non-Browser Process

Google Workspace MFA Enforcement Disabled

Google Workspace Password Policy Modified

Halfbaked Command and Control Beacon

High Number of Okta User Password Reset or Unlock Attempts

IPSEC NAT Traversal Port Activity

Image File Execution Options Injection

Inbound Connection to an Unsecure Elasticsearch Node

MFA Disabled for Google Workspace Organization

Mshta Making Network Connections

Network Connection via Certutil

Network Connection via Compiled HTML File

Network Connection via MsXsl

Network Connection via Registration Utility

Network Connection via Signed Binary

Persistence via Folder Action Script

Possible FIN7 DGA Command and Control Behavior

Potential Credential Access via Windows Utilities

Potential Password Spraying of Microsoft 365 User Accounts

RDP (Remote Desktop Protocol) from the Internet

RPC (Remote Procedure Call) from the Internet

RPC (Remote Procedure Call) to the Internet

Roshal Archive (RAR) or PowerShell File Downloaded from the Internet

SMB (Windows File Sharing) Activity to the Internet

SMTP on Port 26/TCP

Shell Execution via Apple Scripting

Suspicious CertUtil Commands

Suspicious DLL Loaded for Persistence or Privilege Escalation

Suspicious PowerShell Engine ImageLoad

Telnet Port Activity

Unusual Network Connection via RunDLL32

VNC (Virtual Network Computing) from the Internet

VNC (Virtual Network Computing) to the Internet

Web Application Suspicious Activity: No User Agent

Web Application Suspicious Activity: POST Request Declined

Web Application Suspicious Activity: Unauthorized Method

Web Application Suspicious Activity: sqlmap User Agent

macOS Installer Spawns Network Event

AWS CloudTrail Log Created

AWS CloudTrail Log Deleted

AWS CloudTrail Log Suspended

AWS CloudTrail Log Updated

AWS CloudWatch Alarm Deletion

AWS CloudWatch Log Group Deletion

AWS CloudWatch Log Stream Deletion

AWS Config Service Tampering

AWS Configuration Recorder Stopped

AWS EC2 Encryption Disabled

AWS EC2 Flow Log Deletion

AWS EC2 Network Access Control List Creation

AWS EC2 Network Access Control List Deletion

AWS GuardDuty Detector Deletion

AWS IAM Deactivation of MFA Device

AWS IAM Group Creation

AWS IAM Group Deletion

AWS IAM Password Recovery Requested

AWS IAM User Addition to Group

AWS Management Console Root Login

AWS RDS Cluster Creation

AWS RDS Cluster Deletion

AWS RDS Instance/Cluster Stoppage

AWS S3 Bucket Configuration Deletion

AWS WAF Access Control List Deletion

Access to Keychain Credentials Directories

Adding Hidden File Attribute via Attrib

Adobe Hijack Persistence

Bypass UAC via Event Viewer

Clearing Windows Event Logs

Command Shell Activity Started via RunDLL32

Conhost Spawned By Suspicious Parent Process

Connection to Commonly Abused Web Services

Creation or Modification of Domain Backup DPAPI private key

Creation or Modification of a new GPO Scheduled Task or Service

Delete Volume USN Journal with Fsutil

Deleting Backup Catalogs with Wbadmin

Disable Windows Firewall Rules via Netsh

Enumeration of Users or Groups via Built-in Commands

Execution from Unusual Directory - Command Line

Execution via MSSQL xp_cmdshell Stored Procedure

External IP Lookup from Non-Browser Process

GCP Storage Bucket Configuration Modification

GCP Storage Bucket Deletion

GCP Storage Bucket Permissions Modification

GCP Virtual Private Cloud Route Creation

Hosts File Modified

IIS HTTP Logging Disabled

Keychain Password Retrieval via Command Line

LSASS Memory Dump Creation

Local Scheduled Task Creation

Microsoft Build Engine Loading Windows Credential Libraries

Microsoft Build Engine Started an Unusual Process

Microsoft Build Engine Started by a Script Process

Microsoft Build Engine Started by a System Process

Microsoft Build Engine Started by an Office Application

Microsoft Build Engine Using an Alternate Name

Microsoft Exchange Server UM Writing Suspicious Files

Mimikatz Memssp Log File Detected

Modification of Boot Configuration

Modification of Environment Variable via Launchctl

Modification of Standard Authentication Module or Configuration

Net command via SYSTEM account

Network Connection via Registration Utility

Persistence via Login or Logout Hook

Persistence via TelemetryController Scheduled Task Hijack

Potential Application Shimming via Sdbinst

Potential Command and Control via Internet Explorer

Potential DLL SideLoading via Trusted Microsoft Programs

Potential Evasion via Filter Manager

Process Activity via Compiled HTML File

Program Files Directory Masquerading

Remote File Copy via TeamViewer

Remote File Download via Desktopimgdownldr Utility

Remote File Download via MpCmdRun

SUNBURST Command and Control Activity

Security Software Discovery via Grep

Service Control Spawned via Script Interpreter

Setuid / Setgid Bit Set via chmod

Startup or Run Key Registry Modification

Suspicious CertUtil Commands

Suspicious Explorer Child Process

Suspicious MS Outlook Child Process

Suspicious Managed Code Hosting Process

Suspicious PDF Reader Child Process

Suspicious PrintSpooler SPL File Created

Suspicious PrintSpooler Service Executable File Creation

Suspicious Process from Conhost

Suspicious Script Object Execution

Suspicious WerFault Child Process

Suspicious macOS MS Office Child Process

Svchost spawning Cmd

System Shells via Services

Timestomping using Touch Command

UAC Bypass via DiskCleanup Scheduled Task Hijack

Unusual Child Process from a System Virtual Process

Unusual Child Process of dns.exe

Unusual Executable File Creation by a System Critical Process

Unusual File Modification by dns.exe

Unusual Network Connection via RunDLL32

Unusual Parent Process for cmd.exe

Unusual Persistence via Services Registry

Unusual Process Execution Path - Alternate Data Stream

User Account Creation

User Added to Privileged Group in Active Directory

Volume Shadow Copy Deleted or Resized via VssAdmin

Volume Shadow Copy Deletion via WMIC

WebProxy Settings Modification

Whoami Process Activity

Windows Script Executing PowerShell

Access to Keychain Credentials Directories

Attempt to Remove File Quarantine Attribute

Azure Automation Account Created

Azure Automation Runbook Created or Modified

Azure Automation Runbook Deleted

Azure Automation Webhook Created

Azure Blob Container Access Level Modification

Azure Command Execution on Virtual Machine

Azure Diagnostic Settings Deletion

Azure Event Hub Authorization Rule Created or Updated

Azure Event Hub Deletion

Azure Firewall Policy Deletion

Azure Key Vault Modified

Azure Network Watcher Deletion

Azure Resource Group Deletion

Azure Storage Account Key Regenerated

Connection to Commonly Abused Web Services

Credential Acquisition via Registry Hive Dumping

Execution from Unusual Directory - Command Line

Execution with Explicit Credentials via Scripting

File and Directory Discovery

Installation of Custom Shim Databases

Outbound Scheduled Task Activity via PowerShell

Persistence via Microsoft Office AddIns

Persistence via Microsoft Outlook VBA

Persistence via Update Orchestrator Service Hijack

Potential Command and Control via Internet Explorer

Potential Remote Desktop Tunneling Detected

Potential Secure File Deletion via SDelete Utility

Prompt for Credentials with OSASCRIPT

Remote SSH Login Enabled via systemsetup Command

Scheduled Task Created by a Windows Script

Service Command Lateral Movement

Setuid / Setgid Bit Set via chmod

Sudoers File Modification

Suspicious Cmd Execution via WMI

Suspicious Image Load (taskschd.dll) from MS Office

Suspicious PowerShell Engine ImageLoad

Suspicious Process from Conhost

Suspicious RDP ActiveX Client Loaded

Suspicious Script Object Execution

Suspicious WMI Image Load from MS Office

Suspicious WMIC XSL Script Execution

Tampering of Bash Command-Line History

Timestomping using Touch Command

UAC Bypass Attempt via Elevated COM Internet Explorer Add-On Installer

UAC Bypass Attempt with IEditionUpgradeManager Elevated COM Interface

Windows Script Interpreter Executing Process via WMI

Credential Acquisition via Registry Hive Dumping

File and Directory Discovery

Persistence via WMI Event Subscription

Potential Remote Desktop Tunneling Detected

Attempt to Modify an Okta Network Zone

Attempt to Modify an Okta Policy Rule

Azure Automation Account Created

Azure Automation Runbook Created or Modified

Azure Automation Runbook Deleted

Azure Automation Webhook Created

Azure Blob Container Access Level Modification

Azure Command Execution on Virtual Machine

Azure Conditional Access Policy Modified

Azure Diagnostic Settings Deletion

Azure Event Hub Authorization Rule Created or Updated

Azure Event Hub Deletion

Azure External Guest User Invitation

Azure Firewall Policy Deletion

Azure Global Administrator Role Addition to PIM User

Azure Key Vault Modified

Azure Network Watcher Deletion

Azure Privilege Identity Management Role Modified

Azure Resource Group Deletion

Azure Storage Account Key Regenerated

Clearing Windows Event Logs

DNS Activity to the Internet

GCP Firewall Rule Creation

GCP Firewall Rule Deletion

GCP Firewall Rule Modification

GCP IAM Custom Role Creation

GCP IAM Role Deletion

GCP IAM Service Account Key Deletion

GCP Logging Bucket Deletion

GCP Logging Sink Deletion

GCP Logging Sink Modification

GCP Pub/Sub Subscription Creation

GCP Pub/Sub Subscription Deletion

GCP Pub/Sub Topic Creation

GCP Pub/Sub Topic Deletion

GCP Service Account Creation

GCP Service Account Deletion

GCP Service Account Disabled

GCP Service Account Key Creation

GCP Storage Bucket Configuration Modification

GCP Storage Bucket Deletion

GCP Storage Bucket Permissions Modification

GCP Virtual Private Cloud Network Deletion

GCP Virtual Private Cloud Route Creation

GCP Virtual Private Cloud Route Deletion

IIS HTTP Logging Disabled

Microsoft Build Engine Loading Windows Credential Libraries

Microsoft Build Engine Using an Alternate Name

Microsoft IIS Connection Strings Decryption

Microsoft IIS Service Account Password Dumped

Multi-Factor Authentication Disabled for an Azure User

Persistence via TelemetryController Scheduled Task Hijack

Possible Consent Grant Attack via Azure-Registered Application

Potential DLL SideLoading via Trusted Microsoft Programs

Potential Modification of Accessibility Binaries

Potential Secure File Deletion via SDelete Utility

Potential Windows Error Manager Masquerading

RDP (Remote Desktop Protocol) from the Internet

RPC (Remote Procedure Call) from the Internet

RPC (Remote Procedure Call) to the Internet

Remote File Download via Desktopimgdownldr Utility

Remote File Download via MpCmdRun

Renamed AutoIt Scripts Interpreter

SMB (Windows File Sharing) Activity to the Internet

Suspicious .NET Code Compilation

Suspicious Endpoint Security Parent Process

Suspicious MS Office Child Process

Suspicious Process Execution via Renamed PsExec Executable

Suspicious Zoom Child Process

UAC Bypass via DiskCleanup Scheduled Task Hijack

Unusual Child Processes of RunDLL32

Unusual File Modification by dns.exe

Unusual Network Connection via RunDLL32

Unusual Parent-Child Relationship

User Added as Owner for Azure Application

User Added as Owner for Azure Service Principal

VNC (Virtual Network Computing) from the Internet

VNC (Virtual Network Computing) to the Internet

AWS EC2 Snapshot Activity

AWS Execution via System Manager

AWS IAM Assume Role Policy Update

AWS IAM Brute Force of Assume Role Policy

AWS Management Console Root Login

AWS Root Login Without MFA

AWS WAF Rule or Rule Group Deletion

Administrator Privileges Assigned to an Okta Group

Attempt to Create Okta API Token

Attempt to Deactivate MFA for an Okta User Account

Attempt to Deactivate an Okta Policy

Attempt to Deactivate an Okta Policy Rule

Attempt to Delete an Okta Policy

Attempt to Modify an Okta Network Zone

Attempt to Modify an Okta Policy

Attempt to Modify an Okta Policy Rule

Attempt to Reset MFA Factors for an Okta User Account

Attempt to Revoke Okta API Token

Attempted Bypass of Okta MFA

Command Prompt Network Connection

Connection to External Network via Telnet

Connection to Internal Network via Telnet

Direct Outbound SMB Connection

Microsoft Build Engine Using an Alternate Name

Modification or Removal of an Okta Application Sign-On Policy

MsBuild Making Network Connections

Net command via SYSTEM account

Netcat Network Activity

Network Connection via Certutil

Network Connection via Compiled HTML File

Network Connection via MsXsl

Network Connection via Registration Utility

Network Connection via Signed Binary

Okta Brute Force or Password Spraying Attack

Possible Okta DoS Attack

Potential Application Shimming via Sdbinst

Potential Evasion via Filter Manager

Potential Modification of Accessibility Binaries

Process Activity via Compiled HTML File

PsExec Network Connection

Suspicious Activity Reported by Okta User

Threat Detected by Okta ThreatInsight

Unusual Network Connection via RunDLL32

Unusual Parent-Child Relationship

Unusual Process Network Connection

Whoami Process Activity

Adding Hidden File Attribute via Attrib

Adobe Hijack Persistence

Attempt to Disable IPTables or Firewall

Attempt to Disable Syslog Service

Base16 or Base32 Encoding/Decoding Activity

Bypass UAC via Event Viewer

Clearing Windows Event Logs

Command Prompt Network Connection

Connection to External Network via Telnet

Connection to Internal Network via Telnet

DNS Activity to the Internet

Delete Volume USN Journal with Fsutil

Deleting Backup Catalogs with Wbadmin

Direct Outbound SMB Connection

Disable Windows Firewall Rules via Netsh

Enumeration of Kernel Modules

File Deletion via Shred

File Permission Modification in Writable Directory

Hping Process Activity

IPSEC NAT Traversal Port Activity

Interactive Terminal Spawned via Perl

Interactive Terminal Spawned via Python

Kernel Module Removal

Local Scheduled Task Creation

Microsoft Build Engine Loading Windows Credential Libraries

Microsoft Build Engine Started an Unusual Process

Microsoft Build Engine Started by a Script Process

Microsoft Build Engine Started by a System Process

Microsoft Build Engine Started by an Office Application

Microsoft Build Engine Using an Alternate Name

Modification of Boot Configuration

MsBuild Making Network Connections

Net command via SYSTEM account

Netcat Network Activity

Network Connection via Certutil

Network Connection via Compiled HTML File

Network Connection via MsXsl

Network Connection via Registration Utility

Network Connection via Signed Binary

Nping Process Activity

Potential DNS Tunneling via Iodine

Potential Disabling of SELinux

Potential Shell via Web Server

PsExec Network Connection

RDP (Remote Desktop Protocol) from the Internet

RPC (Remote Procedure Call) from the Internet

RPC (Remote Procedure Call) to the Internet

SMB (Windows File Sharing) Activity to the Internet

SMTP on Port 26/TCP

Service Control Spawned via Script Interpreter

Setuid / Setgid Bit Set via chmod

Strace Process Activity

Sudoers File Modification

Suspicious CertUtil Commands

Suspicious MS Office Child Process

Suspicious MS Outlook Child Process

Suspicious PDF Reader Child Process

Svchost spawning Cmd

System Shells via Services

Telnet Port Activity

Unusual Network Connection via RunDLL32

Unusual Parent-Child Relationship

Unusual Process Execution - Temp

Unusual Process Network Connection

User Account Creation

VNC (Virtual Network Computing) from the Internet

VNC (Virtual Network Computing) to the Internet

Virtual Machine Fingerprinting

Volume Shadow Copy Deleted or Resized via VssAdmin

Volume Shadow Copy Deletion via WMIC

Windows Script Executing PowerShell

Potential Shell via Web Server

Unusual Network Connection via RunDLL32

These prebuilt rules have been removed:

These prebuilt rules have been updated:

Adding Hidden File Attribute via Attrib

Adversary Behavior - Detected - Elastic Endgame

Clearing Windows Event Logs

Command Prompt Network Connection

Credential Dumping - Detected - Elastic Endgame

Credential Dumping - Prevented - Elastic Endgame

Credential Manipulation - Detected - Elastic Endgame

Credential Manipulation - Prevented - Elastic Endgame

DNS Activity to the Internet

Delete Volume USN Journal with Fsutil

Deleting Backup Catalogs with Wbadmin

Direct Outbound SMB Connection

Disable Windows Firewall Rules via Netsh

Exploit - Detected - Elastic Endgame

Exploit - Prevented - Elastic Endgame

Hping Process Activity

Local Scheduled Task Creation

Malware - Detected - Elastic Endgame

Malware - Prevented - Elastic Endgame

MsBuild Making Network Connections

Netcat Network Activity

Network Connection via Compiled HTML File

Network Connection via Registration Utility

Network Connection via Signed Binary

Nping Process Activity

Permission Theft - Detected - Elastic Endgame

Permission Theft - Prevented - Elastic Endgame

Potential DNS Tunneling via Iodine

Potential Modification of Accessibility Binaries

Process Injection - Detected - Elastic Endgame

Process Injection - Prevented - Elastic Endgame

PsExec Network Connection

RDP (Remote Desktop Protocol) from the Internet

RPC (Remote Procedure Call) from the Internet

RPC (Remote Procedure Call) to the Internet

Ransomware - Detected - Elastic Endgame

Ransomware - Prevented - Elastic Endgame

SMB (Windows File Sharing) Activity to the Internet

Service Control Spawned via Script Interpreter

Strace Process Activity

Suspicious CertUtil Commands

Suspicious MS Office Child Process

Suspicious MS Outlook Child Process

System Shells via Services

Unusual Network Connection via RunDLL32

Unusual Parent-Child Relationship

Unusual Process Execution - Temp

Unusual Process Network Connection

User Account Creation

VNC (Virtual Network Computing) from the Internet

VNC (Virtual Network Computing) to the Internet

Volume Shadow Copy Deleted or Resized via VssAdmin

Volume Shadow Copy Deletion via WMIC

Web Application Suspicious Activity: No User Agent

Windows Script Executing PowerShell

Adobe Hijack Persistence

DNS Activity to the Internet

IPSEC NAT Traversal Port Activity

Potential Shell via Web Server

RDP (Remote Desktop Protocol) from the Internet

RPC (Remote Procedure Call) from the Internet

RPC (Remote Procedure Call) to the Internet

SMB (Windows File Sharing) Activity to the Internet

SMTP on Port 26/TCP

Telnet Port Activity

VNC (Virtual Network Computing) from the Internet

VNC (Virtual Network Computing) to the Internet