Sigma Rules
3,333 rules found
PUA- IOX Tunneling Tool Execution
Detects the use of IOX - a tool for port forwarding and intranet proxy purposes
PUA - Mouse Lock Execution
In Kaspersky's 2020 Incident Response Analyst Report they listed legitimate tool "Mouse Lock" as being used for both credential access and collection in security incidents.
PUA - Netcat Suspicious Execution
Detects execution of Netcat. Adversaries may use a non-application layer protocol for communication between host and C2 server or among infected hosts within a network
PUA - SoftPerfect Netscan Execution
Detects usage of SoftPerfect's "netscan.exe". An application for scanning networks. It is actively used in-the-wild by threat actors to inspect and understand the network architecture of a victim.
PUA - Ngrok Execution
Detects the use of Ngrok, a utility used for port forwarding and tunneling, often used by threat actors to make local protected services publicly available. Involved domains are bin.equinox.io for download and *.ngrok.io for connections.
PUA - Nimgrab Execution
Detects the usage of nimgrab, a tool bundled with the Nim programming framework and used for downloading files.
PUA - NimScan Execution
Detects usage of NimScan, a portscanner utility. In early 2025, adversaries were observed using this utility to scan for open ports on remote hosts in a compromised environment. This rule identifies the execution of NimScan based on the process image name and specific hash values associated with different versions of the tool.
PUA - NirCmd Execution
Detects the use of NirCmd tool for command execution, which could be the result of legitimate administrative activity
PUA - NirCmd Execution As LOCAL SYSTEM
Detects the use of NirCmd tool for command execution as SYSTEM user
PUA - Nmap/Zenmap Execution
Detects usage of namp/zenmap. Adversaries may attempt to get a listing of services running on remote hosts, including those that may be vulnerable to remote software exploitation
PUA - NPS Tunneling Tool Execution
Detects the use of NPS, a port forwarding and intranet penetration proxy server
PUA - NSudo Execution
Detects the use of NSudo tool for command execution
PUA - PingCastle Execution
Detects the execution of PingCastle, a tool designed to quickly assess the Active Directory security level.
PUA - PingCastle Execution From Potentially Suspicious Parent
Detects the execution of PingCastle, a tool designed to quickly assess the Active Directory security level via a script located in a potentially suspicious or uncommon location.
PUA - Process Hacker Execution
Detects the execution of Process Hacker based on binary metadata information (Image, Hash, Imphash, etc). Process Hacker is a tool to view and manipulate processes, kernel options and other low level options. Threat actors abused older vulnerable versions to manipulate system processes.
PUA - Radmin Viewer Utility Execution
Detects the execution of Radmin which can be abused by an adversary to remotely control Windows machines
PUA - Potential PE Metadata Tamper Using Rcedit
Detects the use of rcedit to potentially alter executable PE metadata properties, which could conceal efforts to rename system utilities for defense evasion.
PUA - Rclone Execution
Detects execution of RClone utility for exfiltration as used by various ransomwares strains like REvil, Conti, FiveHands, etc
PUA - RunXCmd Execution
Detects the use of the RunXCmd tool to execute commands with System or TrustedInstaller accounts
PUA - Seatbelt Execution
Detects the execution of the PUA/Recon tool Seatbelt via PE information of command line parameters
PUA - System Informer Execution
Detects the execution of System Informer, a task manager tool to view and manipulate processes, kernel options and other low level operations
PUA - WebBrowserPassView Execution
Detects the execution of WebBrowserPassView.exe. A password recovery tool that reveals the passwords stored by the following Web browsers, Internet Explorer (Version 4.0 - 11.0), Mozilla Firefox (All Versions), Google Chrome, Safari, and Opera
PUA - Wsudo Suspicious Execution
Detects usage of wsudo (Windows Sudo Utility). Which is a tool that let the user execute programs with different permissions (System, Trusted Installer, Administrator...etc)
PUA - Adidnsdump Execution
This tool enables enumeration and exporting of all DNS records in the zone for recon purposes of internal networks Python 3 and python.exe must be installed, Usee to Query/modify DNS records for Active Directory integrated DNS via LDAP
Python Inline Command Execution
Detects execution of python using the "-c" flag. This is could be used as a way to launch a reverse shell or execute live python code.
Python Spawning Pretty TTY on Windows
Detects python spawning a pretty tty
Potentially Suspicious Usage Of Qemu
Detects potentially suspicious execution of the Qemu utility in a Windows environment. Threat actors have leveraged this utility and this technique for achieving network access as reported by Kaspersky.
Query Usage To Exfil Data
Detects usage of "query.exe" a system binary to exfil information such as "sessions" and "processes" for later use
Rar Usage with Password and Compression Level
Detects the use of rar.exe, on the command line, to create an archive with password protection or with a specific compression level. This is pretty indicative of malicious actions.
Files Added To An Archive Using Rar.EXE
Detects usage of "rar" to add files to an archive for potential compression. An adversary may compress data (e.g. sensitive documents) that is collected prior to exfiltration in order to make it portable and minimize the amount of data sent over the network.
Suspicious Greedy Compression Using Rar.EXE
Detects RAR usage that creates an archive from a suspicious folder, either a system folder or one of the folders often used by attackers for staging purposes
Suspicious RASdial Activity
Detects suspicious process related to rasdial.exe
Process Memory Dump via RdrLeakDiag.EXE
Detects the use of the Microsoft Windows Resource Leak Diagnostic tool "rdrleakdiag.exe" to dump process memory
Potentially Suspicious Execution Of Regasm/Regsvcs With Uncommon Extension
Detects potentially suspicious execution of the Regasm/Regsvcs utilities with an uncommon extension.
Potentially Suspicious Execution Of Regasm/Regsvcs From Uncommon Location
Detects potentially suspicious execution of the Regasm/Regsvcs utilities from a potentially suspicious location
Exports Critical Registry Keys To a File
Detects the export of a crital Registry key to a file.
Exports Registry Key To a File
Detects the export of the target Registry key to a file.
Imports Registry Key From a File
Detects the import of the specified file to the registry with regedit.exe.
Imports Registry Key From an ADS
Detects the import of a alternate datastream to the registry with regedit.exe.
Regedit as Trusted Installer
Detects a regedit started with TrustedInstaller privileges or by ProcessHacker.exe
Suspicious Registry Modification From ADS Via Regini.EXE
Detects the import of an alternate data stream with regini.exe, regini.exe can be used to modify registry keys.
Registry Modification Via Regini.EXE
Detects the execution of regini.exe which can be used to modify registry keys, the changes are imported from one or more text files.
DLL Execution Via Register-cimprovider.exe
Detects using register-cimprovider.exe to execute arbitrary dll file.
Enumeration for 3rd Party Creds From CLI
Detects processes that query known 3rd party registry keys that holds credentials via commandline
IE ZoneMap Setting Downgraded To MyComputer Zone For HTTP Protocols Via CLI
Detects changes to Internet Explorer's (IE / Windows Internet properties) ZoneMap configuration of the "HTTP" and "HTTPS" protocols to point to the "My Computer" zone. This allows downloaded files from the Internet to be granted the same level of trust as files stored locally.
Suspicious Debugger Registration Cmdline
Detects the registration of a debugger for a program that is available in the logon screen (sticky key backdoor).
Potential Persistence Via Logon Scripts - CommandLine
Detects the addition of a new LogonScript to the registry value "UserInitMprLogonScript" for potential persistence
Potential Credential Dumping Attempt Using New NetworkProvider - CLI
Detects when an attacker tries to add a new network provider in order to dump clear text credentials, similar to how the NPPSpy tool does it