Sigma detection rules, expert-reviewed
Each one is checked against the reporting it came from before it is published, and shows the ATT&CK technique it covers, the telemetry it needs and where it falls short.
2,298 rules
Windows Winlogon Notify Registry Key DLL Persistence (logon)
Alerts on DLL-specified Winlogon Notify logon entries created via registry set events.
frack113, Huntrule TeamWindowsregistry_setHigh272Free2021-12-30Windows Registry Modification of Application Shim Database (InstalledSDB/Custom) for Persistence
Alerts on registry changes to Windows AppCompatFlags InstalledSDB/Custom that may enable shim-based persistence.
frack113, Huntrule TeamWindowsregistry_setMedium121Free2021-12-30Windows Registry: Add Print Port Monitor DLL Persistence
Flags registry updates to Print Port Monitors that reference .dll components for potential startup persistence on Windows.
frack113, Huntrule TeamWindowsregistry_setMedium442Free2021-12-30Windows Reg.exe Modifies Service ImagePath in HKLM\SYSTEM\CurrentControlSet\Services
Alerts on reg.exe commands that target HKLM\SYSTEM\CurrentControlSet\Services\ImagePath modifications.
frack113, Huntrule TeamWindowsprocess_creationMedium415Free2021-12-30Windows PowerShell ScriptBlock checks for service registry ACL inspection
Flags PowerShell scripts that use Get-ACL to inspect service Registry keys under HKLM\SYSTEM\CurrentControlSet\Services.
frack113, Huntrule TeamWindowsps_scriptMedium161Free2021-12-30Windows PowerShell script sets COR_PROFILER environment variables for .NET CLR profiling
Alerts on PowerShell script blocks that set CLR profiler environment variables (COR_ENABLE_PROFILING/COR_PROFILER/COR_PROFILER_PATH).
frack113, Huntrule TeamWindowsps_scriptMedium172Free2021-12-30Windows: File creation of C:\program.exe enabling unquoted service path execution
Flags creation of C:\program.exe that can be used to hijack unquoted Windows service binary paths.
frack113, Huntrule TeamWindowsfile_eventHigh388Free2021-12-30Windows: Suspicious .SCR Screensaver File Creation
Alerts on creation of new .scr screensaver binaries on Windows, excluding known benign paths and a specific TiWorker case.
frack113, Huntrule TeamWindowsfile_eventMedium82Free2021-12-29Windows File Creation: Custom Application Shim Database Files Created
Flags creation of custom Application Shim database files in AppPatch custom directories on Windows.
frack113, Nasreddine Bencherchali (Nextron Systems), Huntrule TeamWindowsfile_eventMedium483Free2021-12-29Windows Registry Changes to Outlook Security Settings
Alerts on registry updates to Outlook security configuration keys on Windows, excluding direct Outlook.exe changes.
frack113, Huntrule TeamWindowsregistry_setMedium122Free2021-12-28Windows Registry Startup: Chrome VPN Extensions Installed via Extension Registry Keys
Flags Windows Registry updates that register VPN/proxy Chrome extensions via the Chrome Extensions update_url key.
frack113, Huntrule TeamWindowsregistry_setHigh91Free2021-12-28Windows Process Creation: Suspicious Kernel Dump via dtrace.exe lkd(0) and syscall:::return
Alerts on Windows process executions of dtrace.exe with command lines consistent with kernel dumping (lkd).
Florian Roth (Nextron Systems), Huntrule TeamWindowsprocess_creationHigh336Free2021-12-28PowerShell ScriptBlock Requests Kerberos Tickets via IdentityModel Token Assembly
Alerts on PowerShell ScriptBlock text that builds Kerberos ticket requests using KerberosRequestorSecurityToken and .GetRequest().
frack113, Huntrule TeamWindowsps_scriptHigh132Free2021-12-28PowerShell Script Blocks Register Malicious XLL via Office COM Automation on Windows
Detects PowerShell Script Block content that uses COM automation to call .RegisterXLL for an Office XLL add-in.
frack113, Huntrule TeamWindowsps_scriptHigh414Free2021-12-28Windows PowerShell Local User Account Manipulation via Script Block Logging
Alerts when PowerShell script blocks invoke local user management cmdlets that can be used to maintain persistence.
frack113, Huntrule TeamWindowsps_scriptMedium299Free2021-12-28