Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

490 detections

Detects specific commands commonly used to remove or empty the syslog. Which is a technique often used by attacker as a method to hide their tracks
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects installation of suspicious packages using system installation utilities
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
Detect use of iptables to flush all firewall rules, tables and chains and allow all network traffic
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects disabling security tools
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects when the macOS Script Editor utility spawns an unusual child process.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects an appx package deployment that was blocked by the local computer policy.
The following events indicate that an AppX package deployment was blocked by a policy:
- Event ID 441: The package deployment operation is blocked by the "Allow deployment operations in special profiles" policy
- Event ID 442: Deployments to non-system volumes are blocked by the "Disable deployment of Windows Store apps to non-system volumes" policy."
- Event ID 453: Package blocked by a platform policy.
- Event ID 454: Package blocked by a platform policy.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
Detects when a all the rules have been deleted from the Windows Defender Firewall configuration
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
Detects WRITE_DAC access to a domain object
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects modifications to Default Domain or Default Domain Controllers Group Policy Objects (GPOs).
Adversaries may modify these default GPOs to deploy malicious configurations across the domain.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects scenarios where system auditing for important events such as "Process Creation" or "Logon" events is disabled.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects NetNTLM downgrade attack
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects DCShadow via create new SPN
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects the modification of Group Policy Objects (GPO) to add a startup/logon script to users or computer objects.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects possible addition of shadow credentials to an active directory object.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects application popup reporting a failure of the Sysmon service
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects denied requests by Active Directory Certificate Services.
Example of these requests denial include issues with permissions on the certificate template or invalid signatures.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Windows Defender logs when the history of detected infections is deleted.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects issues with Windows Defender Real-Time Protection features
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects loading of "Amsi.dll" by a living of the land process. This could be an indication of a "PowerShell without PowerShell" attack
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects usage of special strings/null bits in order to potentially bypass AMSI functionalities
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects usage of certain functions and keywords that are used to manipulate security descriptors in order to potentially set a backdoor. As seen used in the DAMP project.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
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