O365_Multiple_New_Operations
ID: 100195
Description:
A user has performed multiple different operations within the past hour
Repository: Group: Office365 Type: event
Default Status:
Disabled
| Tags: |
|---|
| Office365 |
Selector:
Query:
Filters:
| Field | MUST hit |
|---|---|
| @sender | office365 |
| Field | MUST NOT hit |
|---|---|
Behavior Rule:
| Key | Type | Behavior Category |
|---|---|---|
| @fields.UserId | username | application activity |
Risks:
| Risks | Base Score | Dimension |
|---|---|---|
Attributes:
| Alias | Key |
|---|---|
| Operation | @fields.Operation |
| Username | @fields.UserId |
| Workload | @fields.Workload |
| City | @fields._ip.city |
| Country | @fields._ip.country |
Correlation Rules:
Aggregation:
| Name | Window | Field | AggType | Match |
|---|---|---|---|---|
| MultipleOperations | 2 hours | @fields.Operation | cardinality | gt 15 |
| Risks: | ALERT_POLICY |
History:
| User | Date |
|---|---|
| em*n@fluencysecurity.com | 2021 Mar 5 12:55:39 EST |
| em*n@fluencysecurity.com | 2021 Mar 9 05:01:25 EST |
| em*n@fluencysecurity.com | 2021 Mar 10 14:31:48 EST |
| em*n@fluencysecurity.com | 2021 Mar 12 14:03:34 EST |
| ho*d@fluencysecurity.com | 2021 Mar 12 15:30:24 EST |
| ho*d@fluencysecurity.com | 2021 Mar 12 15:33:22 EST |
This page was automatically created/formatted on Wed, 2022 May 4 21:43:53 EDT, from rule_dump.json (4d88bffdfb1cea26b3985f2193033606)