Sigma Rules
3,333 rules found
Enable Local Manifest Installation With Winget
Detects changes to the AppInstaller (winget) policy. Specifically the activation of the local manifest installation, which allows a user to install new packages via custom manifests.
Winlogon AllowMultipleTSSessions Enable
Detects when the 'AllowMultipleTSSessions' value is enabled. Which allows for multiple Remote Desktop connection sessions to be opened at once. This is often used by attacker as a way to connect to an RDP session without disconnecting the other users
Winlogon Notify Key Logon Persistence
Adversaries may abuse features of Winlogon to execute DLLs and/or executables when a user logs in. Winlogon.exe is a Windows component responsible for actions at logon/logoff as well as the secure attention sequence (SAS) triggered by Ctrl-Alt-Delete.
Sysmon Configuration Change
Detects a Sysmon configuration change, which could be the result of a legitimate reconfiguration or someone trying manipulate the configuration
Sysmon Configuration Error
Detects when an adversary is trying to hide it's action from Sysmon logging based on error messages
Sysmon Configuration Modification
Detects when an attacker tries to hide from Sysmon by disabling or stopping it
Sysmon Blocked Executable
Triggers on any Sysmon "FileBlockExecutable" event, which indicates a violation of the configured block policy
Sysmon Blocked File Shredding
Triggers on any Sysmon "FileBlockShredding" event, which indicates a violation of the configured shredding policy.
Sysmon File Executable Creation Detected
Triggers on any Sysmon "FileExecutableDetected" event, which triggers every time a PE that is monitored by the config is created.
WMI Event Subscription
Detects creation of WMI event subscription persistence method
Suspicious Encoded Scripts in a WMI Consumer
Detects suspicious encoded payloads in WMI Event Consumers
Suspicious Scripting in a WMI Consumer
Detects suspicious commands that are related to scripting/powershell in WMI Event Consumers
CVE-2010-5278 Exploitation Attempt
MODx manager - Local File Inclusion:Directory traversal vulnerability in manager/controllers/default/resource/tvs.php in MODx Revolution 2.0.2-pl, and possibly earlier, when magic_quotes_gpc is disabled, allows remote attackers to read arbitrary files via a .. (dot dot) in the class_key parameter.
Rejetto HTTP File Server RCE
Detects attempts to exploit a Rejetto HTTP File Server (HFS) via CVE-2014-6287
ZxShell Malware
Detects a ZxShell start by the called and well-known function name
Turla Group Lateral Movement
Detects automated lateral movement by Turla group
Turla Group Commands May 2020
Detects commands used by Turla group as reported by ESET in May 2020
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
Exploit for CVE-2017-8759
Detects Winword starting uncommon sub process csc.exe as used in exploits for CVE-2017-8759
Adwind RAT / JRAT
Detects javaw.exe in AppData folder as used by Adwind / JRAT
CosmicDuke Service Installation
Detects the installation of a service named "javamtsup" on the system. The CosmicDuke info stealer uses Windows services typically named "javamtsup" for persistence.
Fireball Archer Install
Detects Archer malware invocation via rundll32
Malware Shellcode in Verclsid Target Process
Detects a process access to verclsid.exe that injects shellcode from a Microsoft Office application / VBA macro
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
Potential PlugX Activity
Detects the execution of an executable that is typically used by PlugX for DLL side loading starting from an uncommon location
StoneDrill Service Install
This method detects a service install of the malicious Microsoft Network Realtime Inspection Service service described in StoneDrill report by Kaspersky
WannaCry Ransomware Activity
Detects WannaCry ransomware activity
Potential APT10 Cloud Hopper Activity
Detects potential process and execution activity related to APT10 Cloud Hopper operation
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
Equation Group C2 Communication
Detects communication to C2 servers mentioned in the operational notes of the ShadowBroker leak of EquationGroup C2 tools
Lazarus System Binary Masquerading
Detects binaries used by the Lazarus group which use system names but are executed and launched from non-default location
Pandemic Registry Key
Detects Pandemic Windows Implant
Turla Group Named Pipes
Detects a named pipe used by Turla group samples
Turla Service Install
This method detects a service install of malicious services mentioned in Carbon Paper - Turla report by ESET
Turla PNG Dropper Service
This method detects malicious services mentioned in Turla PNG dropper report by NCC Group in November 2018
Fortinet CVE-2018-13379 Exploitation
Detects CVE-2018-13379 exploitation attempt against Fortinet SSL VPNs
SSHD Error Message CVE-2018-15473
Detects exploitation attempt using public exploit code for CVE-2018-15473
Oracle WebLogic Exploit
Detects access to a webshell dropped into a keystore folder on the WebLogic server
Elise Backdoor Activity
Detects Elise backdoor activity used by APT32
APT27 - Emissary Panda Activity
Detects the execution of DLL side-loading malware used by threat group Emissary Panda aka APT27
Sofacy Trojan Loader Activity
Detects Trojan loader activity as used by APT28
OceanLotus Registry Activity
Detects registry keys created in OceanLotus (also known as APT32) attacks
Potential MuddyWater APT Activity
Detects potential Muddywater APT activity
OilRig APT Activity
Detects OilRig activity as reported by Nyotron in their March 2018 report
OilRig APT Registry Persistence
Detects OilRig registry persistence as reported by Nyotron in their March 2018 report
OilRig APT Schedule Task Persistence - Security
Detects OilRig schedule task persistence as reported by Nyotron in their March 2018 report
OilRig APT Schedule Task Persistence - System
Detects OilRig schedule task persistence as reported by Nyotron in their March 2018 report
Defrag Deactivation
Detects the deactivation and disabling of the Scheduled defragmentation task as seen by Slingshot APT group