Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
503 detections
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Detects execution of "reg.exe" commands with the "delete" flag on services registry key. Often used by attacker to remove AV software services
Detects changes to the "NoLMHash" registry value in order to allow Windows to store LM Hashes.
By setting this registry value to "0" (DWORD), Windows will be allowed to store a LAN manager hash of your password in Active Directory and local SAM databases.
By setting this registry value to "0" (DWORD), Windows will be allowed to store a LAN manager hash of your password in Active Directory and local SAM databases.
Detects applications trying to modify the registry in order to disable any write-protect property for storage devices.
This could be a precursor to a ransomware attack and has been an observed technique used by cypherpunk group.
This could be a precursor to a ransomware attack and has been an observed technique used by cypherpunk group.
Detects changes to the PowerShell execution policy registry key in order to bypass signing requirements for script execution from the CommandLine
Raccine Uninstall
Sigma
Detects commands that indicate a Raccine removal from an end system. Raccine is a free ransomware protection tool.
Detects modifications to User Shell Folders registry values via reg.exe or PowerShell, which could indicate persistence attempts.
Attackers may modify User Shell Folders registry values to point to malicious executables or scripts that will be executed during startup.
This technique is often used to maintain persistence on a compromised system by ensuring that malicious payloads are executed automatically.
Attackers may modify User Shell Folders registry values to point to malicious executables or scripts that will be executed during startup.
This technique is often used to maintain persistence on a compromised system by ensuring that malicious payloads are executed automatically.
Detects attempts to disable Windows Credential Guard by deleting registry values. Credential Guard uses virtualization-based security to isolate secrets so that only privileged system software can access them.
Adversaries may disable Credential Guard to gain access to sensitive credentials stored in the system, such as NTLM hashes and Kerberos tickets, which can be used for lateral movement and privilege escalation.
Adversaries may disable Credential Guard to gain access to sensitive credentials stored in the system, such as NTLM hashes and Kerberos tickets, which can be used for lateral movement and privilege escalation.
Detects when the "index" value of a scheduled task is removed or deleted from the registry. Which effectively hides it from any tooling such as "schtasks /query"
Remove SD (Security Descriptor) value in \Schedule\TaskCache\Tree registry hive to hide schedule task. This technique is used by Tarrask malware
Detects attempts to disable AMSI (Anti-Malware Scan Interface) by modifying the AmsiEnable registry value.
Anti-Malware Scan Interface (AMSI) is a security feature in Windows that allows applications and services to integrate with anti-malware products for enhanced protection against malicious content.
Adversaries may attempt to disable AMSI to evade detection by security software, allowing them to execute malicious scripts or code without being scanned.
Anti-Malware Scan Interface (AMSI) is a security feature in Windows that allows applications and services to integrate with anti-malware products for enhanced protection against malicious content.
Adversaries may attempt to disable AMSI to evade detection by security software, allowing them to execute malicious scripts or code without being scanned.
Detects the Setting of Windows Defender Exclusions
Detects registry value settings that would replace the user's desktop background.
This is a common technique used by malware to change the desktop background to a ransom note or other image.
This is a common technique used by malware to change the desktop background to a ransom note or other image.
Adversaries may disable or modify system firewalls in order to bypass controls limiting network usage
Detect set UseActionCenterExperience to 0 to disable the Windows security center notification
Detects disabling Windows Defender PUA protection
Potential adversaries stopping ETW providers recording loaded .NET assemblies.
Detects usage of Windows Input Method Editor (IME) keyboard layout feature, which allows an attacker to load a DLL into the process after sending the WM_INPUTLANGCHANGEREQUEST message.
Before doing this, the client needs to register the DLL in a special registry key that is assumed to implement this keyboard layout. This registry key should store a value named "Ime File" with a DLL path.
IMEs are essential for languages that have more characters than can be represented on a standard keyboard, such as Chinese, Japanese, and Korean.
Before doing this, the client needs to register the DLL in a special registry key that is assumed to implement this keyboard layout. This registry key should store a value named "Ime File" with a DLL path.
IMEs are essential for languages that have more characters than can be represented on a standard keyboard, such as Chinese, Japanese, and Korean.
Detects changes to the NGenAssemblyUsageLog registry key.
.NET Usage Log output location can be controlled by setting the NGenAssemblyUsageLog CLR configuration knob in the Registry or by configuring an environment variable (as described in the next section).
By simplify specifying an arbitrary value (e.g. fake output location or junk data) for the expected value, a Usage Log file for the .NET execution context will not be created.
.NET Usage Log output location can be controlled by setting the NGenAssemblyUsageLog CLR configuration knob in the Registry or by configuring an environment variable (as described in the next section).
By simplify specifying an arbitrary value (e.g. fake output location or junk data) for the expected value, a Usage Log file for the .NET execution context will not be created.
Detects registry changes to Office trust records where the path is located in a potentially suspicious location
Detects tampering with attachment manager settings policies attachments (See reference for more information)
Detects tamper attempts to sophos av functionality via registry key modification
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