Sigma detection rules, expert-reviewed

Windows Service Installation (EID 4697) for SMB PsExec by Metasploit or Impacket

Alerts on Windows Event ID 4697 service installs matching SYSTEMROOT\8char.exe and on-demand start, consistent with PsExec-style SMB execution.

Windows Plink Remote Port Forwarding via -R Command Line

Alerts on Windows process command lines using Plink " -R " remote port forwarding to a local port.

Windows System Log: NTFS File System Driver Event 55 Indicates Possible NTFS Exploitation

Alerts on Windows NTFS Event ID 55 indicating a corrupted file record with a matching filename string in the event description.

Windows Registry Persistence via VSTO Add-ins in Microsoft Office

Flags registry writes that register VSTO/Office add-ins for Outlook, Word, Excel, or PowerPoint persistence on Windows.

Windows: Suspicious Child Processes Spawned by sqlservr.exe

Alerts when SQL Server (sqlservr.exe) spawns suspicious command/system tools on Windows.

Windows Registry Run Key Modification via winekey or team9 backdoor

Detects registry Run key changes to "Backup Mgr" that may indicate persistence via winekey/team9.

Windows PsExec Execution Triggered by psexec.exe Process Creation

Flags process creation of PsExec (psexec.exe / psexec.c), a tool often used for remote execution and potential lateral movement.

Windows Credential Access via Reg Add in LSA Registry Paths

Alerts when reg add commands target LSA registry settings and scecli entries commonly abused for credential access.

Windows Process Creation: bitsadmin.exe BITS jobs with SetNotifyCmdLine or remote file additions

Alerts on bitsadmin.exe command lines using /SetNotifyCmdLine or /Addfile to execute after download or stage remote files.

Windows Image Load of PCRE.NET Package Temp Module Path

Alerts on Windows processes loading a temp module path tied to a PCRE.NET package component.

Windows Processes Creating PCRE.NET Temp Package Files

Identifies Windows processes writing temp files with a PCRE.NET package-specific path under AppData\Local\Temp.

Windows: Abused Debug Privilege via Command-Line Route/Add Spawned by System Parents

Flags PowerShell/cmd spawned by system processes with command lines containing both 'route' and 'ADD'.

Windows Registry Persistence via Office Test Startup Key

Flags registry changes to a Windows Office test startup key that may enable auto-execution of an arbitrary DLL.

Windows Process Creation: Default-Argument Invocation of Rundll32/WerFault/Regsvcs/Regasm/Regsvr32

Alerts on suspicious Windows process launches of key binaries with missing/empty arguments, excluding common Edge/Chromium installer use.

Windows Registry: Detect esentutl.exe activity under VSS service keys

Flags registry changes under VSS service keys when initiated by esentutl.exe, consistent with VSS-related abuse.