Sigma Rules
1,607 rules found
Msxsl.EXE Execution
Detects the execution of the MSXSL utility. This can be used to execute Extensible Stylesheet Language (XSL) files. These files are commonly used to describe the processing and rendering of data within XML files. Adversaries can abuse this functionality to execute arbitrary files while potentially bypassing application whitelisting defenses.
Remote XSL Execution Via Msxsl.EXE
Detects the execution of the "msxsl" binary with an "http" keyword in the command line. This might indicate a potential remote execution of XSL files.
Suspicious Group And Account Reconnaissance Activity Using Net.EXE
Detects suspicious reconnaissance command line activity on Windows systems using Net.EXE Check if the user that executed the commands is suspicious (e.g. service accounts, LOCAL_SYSTEM)
Unmount Share Via Net.EXE
Detects when when a mounted share is removed. Adversaries may remove share connections that are no longer useful in order to clean up traces of their operation
Start Windows Service Via Net.EXE
Detects the usage of the "net.exe" command to start a service using the "start" flag
Stop Windows Service Via Net.EXE
Detects the stopping of a Windows service via the "net" utility.
Windows Admin Share Mount Via Net.EXE
Detects when an admin share is mounted using net.exe
Windows Internet Hosted WebDav Share Mount Via Net.EXE
Detects when an internet hosted webdav share is mounted using the "net.exe" utility
Windows Share Mount Via Net.EXE
Detects when a share is mounted using the "net.exe" utility
System Network Connections Discovery Via Net.EXE
Adversaries may attempt to get a listing of network connections to or from the compromised system they are currently accessing or from remote systems by querying for information over the network.
Password Provided In Command Line Of Net.EXE
Detects a when net.exe is called with a password in the command line
New User Created Via Net.EXE
Identifies the creation of local users via the net.exe command.
New User Created Via Net.EXE With Never Expire Option
Detects creation of local users via the net.exe command with the option "never expire"
Suspicious Manipulation Of Default Accounts Via Net.EXE
Detects suspicious manipulations of default accounts such as 'administrator' and 'guest'. For example 'enable' or 'disable' accounts or change the password...etc
Share And Session Enumeration Using Net.EXE
Detects attempts to enumerate file shares, printer shares and sessions using "net.exe" with the "view" flag.
New Firewall Rule Added Via Netsh.EXE
Detects the addition of a new rule to the Windows firewall via netsh
Suspicious Program Location Whitelisted In Firewall Via Netsh.EXE
Detects Netsh command execution that whitelists a program located in a suspicious location in the Windows Firewall
RDP Connection Allowed Via Netsh.EXE
Detects usage of the netsh command to open and allow connections to port 3389 (RDP). As seen used by Sarwent Malware
Firewall Rule Deleted Via Netsh.EXE
Detects the removal of a port or application rule in the Windows Firewall configuration using netsh
Firewall Disabled via Netsh.EXE
Detects netsh commands that turns off the Windows firewall
Netsh Allow Group Policy on Microsoft Defender Firewall
Adversaries may modify system firewalls in order to bypass controls limiting network usage
Firewall Configuration Discovery Via Netsh.EXE
Adversaries may look for details about the network configuration and settings of systems they access or through information discovery of remote systems
Firewall Rule Update Via Netsh.EXE
Detects execution of netsh with the "advfirewall" and the "set" option in order to set new values for properties of a existing rule
Potential Persistence Via Netsh Helper DLL
Detects the execution of netsh with "add helper" flag in order to add a custom helper DLL. This technique can be abused to add a malicious helper DLL that can be used as a persistence proxy that gets called when netsh.exe is executed.
New Network Trace Capture Started Via Netsh.EXE
Detects the execution of netsh with the "trace" flag in order to start a network capture
New Port Forwarding Rule Added Via Netsh.EXE
Detects the execution of netsh commands that configure a new port forwarding (PortProxy) rule
RDP Port Forwarding Rule Added Via Netsh.EXE
Detects the execution of netsh to configure a port forwarding of port 3389 (RDP) rule
Harvesting Of Wifi Credentials Via Netsh.EXE
Detect the harvesting of wifi credentials using netsh.exe
Nltest.EXE Execution
Detects nltest commands that can be used for information discovery
Potential Recon Activity Via Nltest.EXE
Detects nltest commands that can be used for information discovery
Potential Arbitrary Code Execution Via Node.EXE
Detects the execution node.exe which is shipped with multiple software such as VMware, Adobe...etc. In order to execute arbitrary code. For example to establish reverse shell as seen in Log4j attacks...etc
Node Process Executions
Detects the execution of other scripts using the Node executable packaged with Adobe Creative Cloud
Notepad Password Files Discovery
Detects the execution of Notepad to open a file that has the string "password" which may indicate unauthorized access to credentials or suspicious activity.
Network Reconnaissance Activity
Detects a set of suspicious network related commands often used in recon stages
Nslookup PowerShell Download Cradle - ProcessCreation
Detects suspicious powershell download cradle using nslookup. This cradle uses nslookup to extract payloads from DNS records
Suspicious Usage Of Active Directory Diagnostic Tool (ntdsutil.exe)
Detects execution of ntdsutil.exe to perform different actions such as restoring snapshots...etc.
Invocation of Active Directory Diagnostic Tool (ntdsutil.exe)
Detects execution of ntdsutil.exe, which can be used for various attacks against the NTDS database (NTDS.DIT)
Driver/DLL Installation Via Odbcconf.EXE
Detects execution of "odbcconf" with "INSTALLDRIVER" which installs a new ODBC driver. Attackers abuse this to install and run malicious DLLs.
Suspicious Driver/DLL Installation Via Odbcconf.EXE
Detects execution of "odbcconf" with the "INSTALLDRIVER" action where the driver doesn't contain a ".dll" extension. This is often used as a defense evasion method.
Odbcconf.EXE Suspicious DLL Location
Detects execution of "odbcconf" where the path of the DLL being registered is located in a potentially suspicious location.
New DLL Registered Via Odbcconf.EXE
Detects execution of "odbcconf" with "REGSVR" in order to register a new DLL (equivalent to running regsvr32). Attackers abuse this to install and run malicious DLLs.
Potentially Suspicious DLL Registered Via Odbcconf.EXE
Detects execution of "odbcconf" with the "REGSVR" action where the DLL in question doesn't contain a ".dll" extension. Which is often used as a method to evade defenses.
Response File Execution Via Odbcconf.EXE
Detects execution of "odbcconf" with the "-f" flag in order to load a response file which might contain a malicious action.
Suspicious Response File Execution Via Odbcconf.EXE
Detects execution of "odbcconf" with the "-f" flag in order to load a response file with a non-".rsp" extension.
Uncommon Child Process Spawned By Odbcconf.EXE
Detects an uncommon child process of "odbcconf.exe" binary which normally shouldn't have any child processes.
Potential Arbitrary File Download Using Office Application
Detects potential arbitrary file download using a Microsoft Office application
Potential Excel.EXE DCOM Lateral Movement Via ActivateMicrosoftApp
Detects suspicious child processes of Excel which could be an indicator of lateral movement leveraging the "ActivateMicrosoftApp" Excel DCOM object.
Potentially Suspicious Office Document Executed From Trusted Location
Detects the execution of an Office application that points to a document that is located in a trusted location. Attackers often used this to avoid macro security and execute their malicious code.