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O365_Files_Accessed

ID: 100401

Description:

A user has previewed or downloaded more than 20 files in an hour

Repository: Group: Office365ES Type: event

Default Status:

Enabled

Tags:
Office365
 

Selector:

Query:

Filters:

Field MUST hit
input.type o365audit
o365.audit.Operation FilePreviewed
  FileDownloaded
  FileAccessed
Field MUST NOT hit
   

Behavior Rule:

Key Type Behavior Category
o365.audit.UserId username application activity

Risks:

Risks Base Score Dimension
     

Attributes:

Alias Key
Operation o365.audit.Operation
Username o365.audit.UserId
Workload o365.audit.Workload
City _ip.city
Country _ip.country
IP o365.audit._ip
FileName o365.audit.SourceFileName

Correlation Rules:

Aggregation:

Name Window Field AggType Match
FilesAccessed 1 hour o365.audit.SourceFileName cardinality gt 40
  Risks: FILE_DOWNLOAD ALERT_POLICY  

History:

| User | Date | | :— | :— | | — | — |

This page was automatically created/formatted on Tue, 2021 Oct 19 00:29:17 EDT, from rule_dump.json (db47c470500ce8686ead334f5eda0596)