Rule Library

Sigma Rules

Browse detections by severity and log source, with YAML and sample events one click away.

3,782Total
3,164Detection
474Emerging
141Hunting
3 rulesInspect a rule without leaving your results.
highexperimentalEmerging Threat

Potential SharePoint ToolShell CVE-2025-53770 Exploitation Indicators

Detects potential exploitation of CVE-2025-53770 by identifying indicators such as suspicious command lines discovered in Post-Exploitation activities. CVE-2025-53770 is a zero-day vulnerability in SharePoint that allows remote code execution.

windowsprocess_creation
2025-07-21
mediumexperimentalEmerging Threat

SharePoint ToolShell CVE-2025-53770 Exploitation - Web IIS

Detects access to vulnerable SharePoint components potentially being exploited in CVE-2025-53770 through IIS web server logs. CVE-2025-53770 is a zero-day vulnerability in SharePoint that allows remote code execution.

Generalwebserver
2025-07-21