Rule Library

Sigma Rules

1,408 rules found

3,731Total
3,132Detection
457Emerging
139Hunting
Detectionhightest

Suspicious Process Created Via Wmic.EXE

Detects WMIC executing "process call create" with suspicious calls to processes such as "rundll32", "regsrv32", etc.

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Mon Oct 12windows
Detectionmediumtest

Application Terminated Via Wmic.EXE

Detects calls to the "terminate" function via wmic in order to kill an application

WindowsProcess Creation
Nasreddine Bencherchali (Nextron Systems)Mon Sep 11windows
Detectionmediumtest

Application Removed Via Wmic.EXE

Detects the removal or uninstallation of an application via "Wmic.EXE".

WindowsProcess Creation
François HubautFri Jan 28windows
Detectionhightest

Potential Tampering With Security Products Via WMIC

Detects uninstallation or termination of security products using the WMIC utility

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Sat Jan 30windows
Detectionmediumtest

XSL Script Execution Via WMIC.EXE

Detects the execution of WMIC with the "format" flag to potentially load local XSL files. Adversaries abuse this functionality to execute arbitrary files while potentially bypassing application whitelisting defenses. Extensible Stylesheet Language (XSL) files are commonly used to describe the processing and rendering of data within XML files.

WindowsProcess Creation
Timur Zinniatullin+2Mon Oct 21windows
Detectionmediumstable

WmiPrvSE Spawned A Process

Detects WmiPrvSE spawning a process

WindowsProcess Creation
Roberto Rodriguez (Cyb3rWard0g)Thu Aug 15windows
Detectionmediumstable

Potential WMI Lateral Movement WmiPrvSE Spawned PowerShell

Detects Powershell as a child of the WmiPrvSE process. Which could be a sign of lateral movement via WMI.

WindowsProcess Creation
Markus NeisWed Apr 03windows
Detectionhightest

Suspicious WmiPrvSE Child Process

Detects suspicious and uncommon child processes of WmiPrvSE

WindowsProcess Creation
Vadim Khrykov (ThreatIntel)+2Mon Aug 23windows
Detectioncriticaltest

WMI Backdoor Exchange Transport Agent

Detects a WMI backdoor in Exchange Transport Agents via WMI event filters

WindowsProcess Creation
Florian Roth (Nextron Systems)Fri Oct 11windows
Detectionmediumexperimental

Password Set to Never Expire via WMI

Detects the use of wmic.exe to modify user account settings and explicitly disable password expiration.

WindowsProcess Creation
Daniel Koifman (KoifSec)Wed Jul 30windows
Detectionmediumtest

WMI Persistence - Script Event Consumer

Detects WMI script event consumers

WindowsProcess Creation
Thomas PatzkeWed Mar 07windows
Detectionhightest

UEFI Persistence Via Wpbbin - ProcessCreation

Detects execution of the binary "wpbbin" which is used as part of the UEFI based persistence method described in the reference section

WindowsProcess Creation
Nasreddine Bencherchali (Nextron Systems)Mon Jul 18windows
Detectionmediumtest

Potential Dropper Script Execution Via WScript/CScript/MSHTA

Detects wscript/cscript/mshta executions of scripts located in user directories

WindowsProcess Creation
Margaritis Dimitrios+4Wed Jan 16windows
Detectionmediumtest

Cscript/Wscript Potentially Suspicious Child Process

Detects potentially suspicious child processes of Wscript/Cscript. These include processes such as rundll32 with uncommon exports or PowerShell spawning rundll32 or regsvr32. Malware such as Pikabot and Qakbot were seen using similar techniques as well as many others.

WindowsProcess Creation
Nasreddine Bencherchali (Nextron Systems)+1Mon May 15windows
Detectionhightest

Cscript/Wscript Uncommon Script Extension Execution

Detects Wscript/Cscript executing a file with an uncommon (i.e. non-script) extension

WindowsProcess Creation
Nasreddine Bencherchali (Nextron Systems)Mon May 15windows
Detectionmediumtest

WSL Child Process Anomaly

Detects uncommon or suspicious child processes spawning from a WSL process. This could indicate an attempt to evade parent/child relationship detections or persistence attempts via cron using WSL

WindowsProcess Creation
Nasreddine Bencherchali (Nextron Systems)Mon Jan 23windows
Detectionhighexperimental

Installation of WSL Kali-Linux

Detects installation of Kali Linux distribution through Windows Subsystem for Linux (WSL). Attackers may use Kali Linux WSL to leverage its penetration testing tools and capabilities for malicious purposes.

WindowsProcess Creation
Swachchhanda Shrawan Poudel (Nextron Systems)Fri Oct 10windows
Detectionhighexperimental

WSL Kali-Linux Usage

Detects the use of Kali Linux through Windows Subsystem for Linux

WindowsProcess Creation
Swachchhanda Shrawan Poudel (Nextron Systems)Fri Oct 10windows
Detectionmediumtest

Windows Binary Executed From WSL

Detects the execution of Windows binaries from within a WSL instance. This could be used to masquerade parent-child relationships

WindowsProcess Creation
Nasreddine Bencherchali (Nextron Systems)Tue Feb 14windows
Detectionhightest

Proxy Execution Via Wuauclt.EXE

Detects the use of the Windows Update Client binary (wuauclt.exe) for proxy execution.

WindowsProcess Creation
Roberto Rodriguez (Cyb3rWard0g)+4Mon Oct 12windows
Detectionhightest

Suspicious Windows Update Agent Empty Cmdline

Detects suspicious Windows Update Agent activity in which a wuauclt.exe process command line doesn't contain any command line flags

WindowsProcess Creation
Florian Roth (Nextron Systems)Sat Feb 26windows
Detectionhightest

Cab File Extraction Via Wusa.EXE From Potentially Suspicious Paths

Detects the execution of the "wusa.exe" (Windows Update Standalone Installer) utility to extract ".cab" files using the "/extract" argument from potentially suspicious paths.

WindowsProcess Creation
Nasreddine Bencherchali (Nextron Systems)Fri Aug 05windows
Detectionhightest

Wusa.EXE Executed By Parent Process Located In Suspicious Location

Detects execution of the "wusa.exe" (Windows Update Standalone Installer) utility by a parent process that is located in a suspicious location. Attackers could instantiate an instance of "wusa.exe" in order to bypass User Account Control (UAC). They can duplicate the access token from "wusa.exe" to gain elevated privileges.

WindowsProcess Creation
X__Junior (Nextron Systems)Sun Nov 26windows
Detectionhightest

Xwizard.EXE Execution From Non-Default Location

Detects the execution of Xwizard tool from a non-default directory. When executed from a non-default directory, this utility can be abused in order to side load a custom version of "xwizards.dll".

WindowsProcess Creation
Christian Burkard (Nextron Systems)Mon Sep 20windows
Detectionmediumtest

COM Object Execution via Xwizard.EXE

Detects the execution of Xwizard tool with the "RunWizard" flag and a GUID like argument. This utility can be abused in order to run custom COM object created in the registry.

WindowsProcess Creation
Ensar Şamil+2Wed Oct 07windows
Emerging Threatcriticaltest

ZxShell Malware

Detects a ZxShell start by the called and well-known function name

WindowsProcess Creation
Florian Roth (Nextron Systems)+2Thu Jul 202014
Emerging Threatcriticaltest

Turla Group Lateral Movement

Detects automated lateral movement by Turla group

WindowsProcess Creation
Markus NeisTue Nov 072014
Emerging Threatcriticaltest

Turla Group Commands May 2020

Detects commands used by Turla group as reported by ESET in May 2020

WindowsProcess Creation
Florian Roth (Nextron Systems)Tue May 262014
Emerging Threatcriticalstable

Exploit for CVE-2015-1641

Detects Winword starting uncommon sub process MicroScMgmt.exe as used in exploits for CVE-2015-1641

WindowsProcess Creation
Florian Roth (Nextron Systems)Thu Feb 222015
Emerging Threatmediumtest

Exploit for CVE-2017-0261

Detects Winword starting uncommon sub process FLTLDR.exe as used in exploits for CVE-2017-0261 and CVE-2017-0262

WindowsProcess Creation
Florian Roth (Nextron Systems)Thu Feb 222017
Emerging Threatcriticalstable

Droppers Exploiting CVE-2017-11882

Detects exploits that use CVE-2017-11882 to start EQNEDT32.EXE and other sub processes like mshta.exe

WindowsProcess Creation
Florian Roth (Nextron Systems)Thu Nov 232017
Emerging Threatcriticaltest

Exploit for CVE-2017-8759

Detects Winword starting uncommon sub process csc.exe as used in exploits for CVE-2017-8759

WindowsProcess Creation
Florian Roth (Nextron Systems)Fri Sep 152017
Emerging Threathightest

Adwind RAT / JRAT

Detects javaw.exe in AppData folder as used by Adwind / JRAT

WindowsProcess Creation
Florian Roth (Nextron Systems)+3Fri Nov 102017
Emerging Threathightest

Fireball Archer Install

Detects Archer malware invocation via rundll32

WindowsProcess Creation
Florian Roth (Nextron Systems)Sat Jun 032017
Emerging Threatcriticaltest

NotPetya Ransomware Activity

Detects NotPetya ransomware activity in which the extracted passwords are passed back to the main module via named pipe, the file system journal of drive C is deleted and Windows eventlogs are cleared using wevtutil

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Wed Jan 162017
Emerging Threathightest

Potential PlugX Activity

Detects the execution of an executable that is typically used by PlugX for DLL side loading starting from an uncommon location

WindowsProcess Creation
Florian Roth (Nextron Systems)Mon Jun 122017
Emerging Threatcriticaltest

WannaCry Ransomware Activity

Detects WannaCry ransomware activity

WindowsProcess Creation
Florian Roth (Nextron Systems)+3Wed Jan 162017
Emerging Threathightest

Potential APT10 Cloud Hopper Activity

Detects potential process and execution activity related to APT10 Cloud Hopper operation

WindowsProcess Creation
Florian Roth (Nextron Systems)Fri Apr 072017
Emerging Threathightest

Ps.exe Renamed SysInternals Tool

Detects renamed SysInternals tool execution with a binary named ps.exe as used by Dragonfly APT group and documented in TA17-293A report

WindowsProcess Creation
Florian Roth (Nextron Systems)Sun Oct 222017
Emerging Threathightest

Lazarus System Binary Masquerading

Detects binaries used by the Lazarus group which use system names but are executed and launched from non-default location

WindowsProcess Creation
Trent Liffick+1Wed Jun 032017
Emerging Threatcriticaltest

Elise Backdoor Activity

Detects Elise backdoor activity used by APT32

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Wed Jan 312018
Emerging Threatcriticaltest

APT27 - Emissary Panda Activity

Detects the execution of DLL side-loading malware used by threat group Emissary Panda aka APT27

WindowsProcess Creation
Florian Roth (Nextron Systems)Mon Sep 032018
Emerging Threathightest

Sofacy Trojan Loader Activity

Detects Trojan loader activity as used by APT28

WindowsProcess Creation
Florian Roth (Nextron Systems)+2Thu Mar 012018
Emerging Threatcriticalstable

APT29 2018 Phishing Campaign CommandLine Indicators

Detects indicators of APT 29 (Cozy Bear) phishing-campaign as reported by mandiant

WindowsProcess Creation
Florian Roth (Nextron Systems)Tue Nov 202018
Emerging Threathightest

Potential MuddyWater APT Activity

Detects potential Muddywater APT activity

WindowsProcess Creation
Nasreddine Bencherchali (Nextron Systems)Fri Mar 102018
Emerging Threatcriticaltest

OilRig APT Activity

Detects OilRig activity as reported by Nyotron in their March 2018 report

WindowsProcess Creation
Florian Roth (Nextron Systems)+4Fri Mar 232018
Emerging Threatmediumtest

Defrag Deactivation

Detects the deactivation and disabling of the Scheduled defragmentation task as seen by Slingshot APT group

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Mon Mar 042018
Emerging Threathighstable

TropicTrooper Campaign November 2018

Detects TropicTrooper activity, an actor who targeted high-profile organizations in the energy and food and beverage sectors in Asia

WindowsProcess Creation
@41thexplorer+1Tue Nov 122018