Rules: Sharepoint - Excessive Documents Accessed by User
This rule detects when a large number of documents are accessed in a short timeframe. This behavior may be indicative of programmatic means being used to retrieve all data within the repository.
| Detail | Value |
|---|---|
| Type | Threshold |
| Category | Collection |
| Apply Risk to Entities | user_username |
| Signal Name | Sharepoint - Excessive Documents Accessed by User |
| Summary Expression | Sharepoint - Excessive Documents Accessed by {{user_username}} |
| Threshold Count | 30 |
| Threshold Window | 5m |
| Score/Severity | Static: 1 |
| Enabled by Default | True |
| Prototype | False |
| Tags | _mitreAttackTactic:TA0009, _mitreAttackTechnique:T1213, _mitreAttackTechnique:T1213.002 |
| Origin | Field |
|---|---|
| Direct from Record | fields['Operation'] |
| Normalized Schema | file_basename |
| Normalized Schema | http_userAgent |
| Normalized Schema | lower |
| Normalized Schema | metadata_deviceEventId |
| Normalized Schema | metadata_product |
| Normalized Schema | metadata_vendor |
| Normalized Schema | resource |
| Normalized Schema | user_username |