SigmaHQ Detections
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6,797 detections
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Detects an attempt to leverage dnscmd.exe to enumerate the DNS zones of a domain. DNS zones used to host the DNS records for a particular domain.
Detects the execution of different Windows based hacktools via PE metadata (company, product, etc.) even if the files have been renamed
Detects an executable initiating a network connection to "LocaltoNet" tunneling sub-domains.
LocaltoNet is a reverse proxy that enables localhost services to be exposed to the Internet.
Attackers have been seen to use this service for command-and-control activities to bypass MFA and perimeter controls.
LocaltoNet is a reverse proxy that enables localhost services to be exposed to the Internet.
Attackers have been seen to use this service for command-and-control activities to bypass MFA and perimeter controls.
Detects file creation events with filename patterns used by CrackMapExec.
Detects an executable initiating a network connection to "LocaltoNet" tunneling sub-domains.
LocaltoNet is a reverse proxy that enables localhost services to be exposed to the Internet.
Attackers have been seen to use this service for command-and-control activities to bypass MFA and perimeter controls.
LocaltoNet is a reverse proxy that enables localhost services to be exposed to the Internet.
Attackers have been seen to use this service for command-and-control activities to bypass MFA and perimeter controls.
Detects the enabling of the "EnablePeriodicBackup" registry value. Once enabled, The OS will backup System registry hives on restarts to the "C:\Windows\System32\config\RegBack" folder. Windows creates a "RegIdleBackup" task to manage subsequent backups.
Registry backup was a default behavior on Windows and was disabled as of "Windows 10, version 1803".
Registry backup was a default behavior on Windows and was disabled as of "Windows 10, version 1803".
This rule detects process executions that exhibit patterns commonly associated with China Chopper-like tiny webshells, specifically when they are spawned by the w3wp.exe process (IIS worker process). The detection logic looks for specific command-line arguments that include common discovery and system information commands such as 'ipconfig', 'quser', 'whoami', 'c:', 'cd', 'dir', and echo commands, often used by webshells to interact with the compromised system.
Detects uses of the SysInternals ProcDump utility in which ProcDump or its output (specifically LSASS memory dumps) get renamed, or a dump file is moved or copied to a different name. This behavior is often used by adversaries to evade detection when performing credential dumping.
Detects suspicious child processes spawned by web servers, indicating potential webshell activity used for credential dumping, exfiltration, or other post-exploitation actions. The rule looks for specific command-line patterns and executables commonly associated with these malicious activities originating from known web server processes.
WinPEAS is a widely used privilege escalation and discovery tool. This rule detects the execution of winPEAS by monitoring process creation events for specific filenames and command-line arguments. It also looks for command-line options related to information gathering (applications, browser, events, files, processes, services, windows credentials) and attempts to download the tool from its GitHub repository. The rule aims to identify potential privilege escalation attempts and extensive system discovery activities by adversaries.
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