Prebuilt rule changes per release
editPrebuilt rule changes per release
editThe 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.
7.16.0
editDisabling Windows Defender Security Settings via PowerShell
Exporting Exchange Mailbox via PowerShell
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
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 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
Volume Shadow Copy Deleted or Resized via VssAdmin
Webshell Detection: Script Process Child of Common Web Processes
Windows Defender Exclusions Added via PowerShell
7.15.0
editAzure Active Directory High Risk Sign-in
NTDS or SAM Database File Copied
7.14.0
editApple 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
Default Cobalt Strike Team Server Certificate
Executable File Creation with Multiple Extensions
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 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
Shell Execution via Apple Scripting
Suspicious DLL Loaded for Persistence or Privilege Escalation
Suspicious PowerShell Engine ImageLoad
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
7.13.0
editAWS CloudWatch Log Group Deletion
AWS CloudWatch Log Stream Deletion
AWS Configuration Recorder Stopped
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 Password Recovery Requested
AWS IAM User Addition to Group
AWS Management Console Root Login
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
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 Permissions Modification
GCP Virtual Private Cloud Route Creation
Keychain Password Retrieval via Command Line
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 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
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 Added to Privileged Group in Active Directory
Volume Shadow Copy Deleted or Resized via VssAdmin
Volume Shadow Copy Deletion via WMIC
WebProxy Settings Modification
Windows Script Executing PowerShell
7.12.1
edit7.12.0
editAccess 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 Firewall Policy Deletion
Azure Network Watcher 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
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
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
7.11.2
editCredential Acquisition via Registry Hive Dumping
Persistence via WMI Event Subscription
Potential Remote Desktop Tunneling Detected
7.11.0
editAttempt 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 External Guest User Invitation
Azure Firewall Policy Deletion
Azure Global Administrator Role Addition to PIM User
Azure Network Watcher Deletion
Azure Privilege Identity Management Role Modified
Azure Storage Account Key Regenerated
GCP Firewall Rule Modification
GCP IAM Service Account Key Deletion
GCP Pub/Sub Subscription Creation
GCP Pub/Sub Subscription Deletion
GCP Service Account Key Creation
GCP Storage Bucket Configuration Modification
GCP Storage Bucket Permissions Modification
GCP Virtual Private Cloud Network Deletion
GCP Virtual Private Cloud Route Creation
GCP Virtual Private Cloud Route Deletion
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
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
7.10.0
editAWS Execution via System Manager
AWS IAM Assume Role Policy Update
AWS IAM Brute Force of Assume Role Policy
AWS Management Console Root Login
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
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
Network Connection via Certutil
Network Connection via Compiled HTML File
Network Connection via Registration Utility
Network Connection via Signed Binary
Okta Brute Force or Password Spraying Attack
Potential Application Shimming via Sdbinst
Potential Evasion via Filter Manager
Potential Modification of Accessibility Binaries
Process Activity via Compiled HTML File
Suspicious Activity Reported by Okta User
Threat Detected by Okta ThreatInsight
Unusual Network Connection via RunDLL32
Unusual Parent-Child Relationship
Unusual Process Network Connection
7.9.0
editAdding Hidden File Attribute via Attrib
Attempt to Disable IPTables or Firewall
Attempt to Disable Syslog Service
Base16 or Base32 Encoding/Decoding Activity
Command Prompt Network Connection
Connection to External Network via Telnet
Connection to Internal Network via Telnet
Delete Volume USN Journal with Fsutil
Deleting Backup Catalogs with Wbadmin
Direct Outbound SMB Connection
Disable Windows Firewall Rules via Netsh
File Permission Modification in Writable Directory
IPSEC NAT Traversal Port Activity
Interactive Terminal Spawned via Perl
Interactive Terminal Spawned via Python
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
Network Connection via Certutil
Network Connection via Compiled HTML File
Network Connection via Registration Utility
Network Connection via Signed Binary
Potential DNS Tunneling via Iodine
Potential Disabling of SELinux
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
Service Control Spawned via Script Interpreter
Setuid / Setgid Bit Set via chmod
Suspicious MS Office Child Process
Suspicious MS Outlook Child Process
Suspicious PDF Reader Child Process
Unusual Network Connection via RunDLL32
Unusual Parent-Child Relationship
Unusual Process Execution - Temp
Unusual Process Network Connection
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
7.8.0
editPotential Shell via Web Server
Unusual Network Connection via RunDLL32
7.7.0
editThese prebuilt rules have been removed:
- Execution via Signed Binary
- Suspicious Process spawning from Script Interpreter
- Suspicious Script Object Execution
These prebuilt rules have been updated:
Adding Hidden File Attribute via Attrib
Adversary Behavior - Detected - Elastic Endgame
Command Prompt Network Connection
Credential Dumping - Detected - Elastic Endgame
Credential Dumping - Prevented - Elastic Endgame
Credential Manipulation - Detected - Elastic Endgame
Credential Manipulation - Prevented - Elastic Endgame
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
Malware - Detected - Elastic Endgame
Malware - Prevented - Elastic Endgame
MsBuild Making Network Connections
Network Connection via Compiled HTML File
Network Connection via Registration Utility
Network Connection via Signed Binary
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
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
Suspicious MS Office Child Process
Suspicious MS Outlook Child Process
Unusual Network Connection via RunDLL32
Unusual Parent-Child Relationship
Unusual Process Execution - Temp
Unusual Process Network Connection
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
7.6.2
edit7.6.1
editIPSEC 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