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
6 rulesInspect a rule without leaving your results.
hightestEmerging Threat

CVE-2024-1212 Exploitation - Progress Kemp LoadMaster Unauthenticated Command Injection

Detects potential exploitation of CVE-2024-1709 an unauthenticated command injection in Progress Kemp LoadMaster. It looks for GET requests to '/access/set' API with the parameters 'param=enableapi' and 'value=1' as well as an "Authorization" header with a base64 encoded value with an uncommon character.

Generalwebserver
2024-03-20
mediumtestEmerging Threat

CVE-2024-1708 - ScreenConnect Path Traversal Exploitation

This detects file modifications to ASPX and ASHX files within the root of the App_Extensions directory, which is allowed by a ZipSlip vulnerability in versions prior to 23.9.8. This occurs during exploitation of CVE-2024-1708.

windowsfile_event
2024-02-21
mediumtestEmerging Threat

ScreenConnect User Database Modification

Detects file modifications to the temporary xml user database file indicating local user modification in the ScreenConnect server. This will occur during exploitation of the ScreenConnect Authentication Bypass vulnerability (CVE-2024-1709) in versions <23.9.8, but may also be observed when making legitimate modifications to local users or permissions.

windowsfile_event
2024-02-21
mediumtestEmerging Threat

ScreenConnect User Database Modification - Security

This detects file modifications to the temporary xml user database file indicating local user modification in the ScreenConnect server. This will occur during exploitation of the ScreenConnect Authentication Bypass vulnerability (CVE-2024-1709) in versions <23.9.8, but may also be observed when making legitimate modifications to local users or permissions. This requires an Advanced Auditing policy to log a successful Windows Event ID 4663 events and with a SACL set on the directory.

windowssecurity
2024-02-20