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Teams_External_Access_Enabled

ID: 100193

Description:

External access was enabled in Microsoft Teams

Repository: Fluency Group: Office365 Type: event

Default Status:

Enabled

Tags:
O365
 

Selector:

Query:

Filters:

Field MUST hit
@sender office365
@fields.Operation Set-CsTenantFederationConfiguration
@fields.Workload SkypeForBusiness
  MicrosoftTeams
@fields.ResultStatus Succeeded
@fields.audit.Parameters.AllowFederatedUsers True
Field MUST NOT hit
   

Behavior Rule:

Key Type Behavior Category
@fields.UserId username security alert

Risks:

Risks Base Score Dimension
Timeline 0 -

Attributes:

Alias Key
IP @fields.ClientIP
City @fields._ip.city
Country @fields._ip.country
UserName @fields.UserId
Message @message

Correlation Rules:

First Occurrence:

Name Window Fields
NewUser 30 days @fields.UserId
  Risks: ML_NEW_USER

History:

User Date
em*n@fluencysecurity.com 2021 Mar 3 21:14:06 EST
em*n@fluencysecurity.com 2021 Mar 3 21:33:28 EST
ke*y@fluencysecurity.com 2022 Feb 18 01:16:14 EST

This page was automatically created/formatted on Wed, 2022 May 4 21:43:53 EDT, from rule_dump.json (4d88bffdfb1cea26b3985f2193033606)